diff --git a/src/main/java/edu/nps/moves/dis/GridAxisRecordRepresentation0.java b/src/main/java/edu/nps/moves/dis/GridAxisRecordRepresentation0.java
index 75a7eaed..2d7a9484 100644
--- a/src/main/java/edu/nps/moves/dis/GridAxisRecordRepresentation0.java
+++ b/src/main/java/edu/nps/moves/dis/GridAxisRecordRepresentation0.java
@@ -20,7 +20,7 @@ public class GridAxisRecordRepresentation0 extends GridAxisRecord implements Ser
    protected int  numberOfBytes;
 
    /** variable length variablelist of data parameters ^^^this is wrong--need padding as well */
-   protected List< OneByteChunk > dataValues = new ArrayList< OneByteChunk >(); 
+   protected byte[] dataValues = new byte[0];
 
 /** Constructor */
  public GridAxisRecordRepresentation0()
@@ -33,18 +33,14 @@ public int getMarshalledSize()
 
    marshalSize = super.getMarshalledSize();
    marshalSize = marshalSize + 2;  // numberOfBytes
-   for(int idx=0; idx < dataValues.size(); idx++)
-   {
-        OneByteChunk listElement = dataValues.get(idx);
-        marshalSize = marshalSize + listElement.getMarshalledSize();
-   }
+   marshalSize = marshalSize + dataValues.length;
 
    return marshalSize;
 }
 
 
 public int getNumberOfBytes()
-{ return (int)dataValues.size();
+{ return dataValues.length;
 }
 
 /** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
@@ -55,11 +51,11 @@ public void setNumberOfBytes(int pNumberOfBytes)
 { numberOfBytes = pNumberOfBytes;
 }
 
-public void setDataValues(List<OneByteChunk> pDataValues)
+public void setDataValues(byte[] pDataValues)
 { dataValues = pDataValues;
 }
 
-public List<OneByteChunk> getDataValues()
+public byte[] getDataValues()
 { return dataValues; }
 
 
@@ -68,13 +64,7 @@ public void marshal(DataOutputStream dos)
     super.marshal(dos);
     try 
     {
-       dos.writeShort( (short)dataValues.size());
-
-       for(int idx = 0; idx < dataValues.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = dataValues.get(idx);
-            aOneByteChunk.marshal(dos);
-       } // end of list marshalling
+       dos.write(dataValues);
 
     } // end try 
     catch(Exception e)
@@ -89,13 +79,8 @@ public void unmarshal(DataInputStream dis)
     try 
     {
        numberOfBytes = (int)dis.readUnsignedShort();
-       for(int idx = 0; idx < numberOfBytes; idx++)
-       {
-           OneByteChunk anX = new OneByteChunk();
-           anX.unmarshal(dis);
-           dataValues.add(anX);
-       }
-
+       dataValues = new byte[numberOfBytes];
+       dis.read(dataValues);
     } // end try 
    catch(Exception e)
     { 
@@ -115,14 +100,8 @@ public void unmarshal(DataInputStream dis)
 public void marshal(java.nio.ByteBuffer buff)
 {
        super.marshal(buff);
-       buff.putShort( (short)dataValues.size());
-
-       for(int idx = 0; idx < dataValues.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = (OneByteChunk)dataValues.get(idx);
-            aOneByteChunk.marshal(buff);
-       } // end of list marshalling
-
+       buff.putShort((short)dataValues.length);
+       buff.put(dataValues);
     } // end of marshal method
 
 /**
@@ -137,13 +116,8 @@ public void unmarshal(java.nio.ByteBuffer buff)
        super.unmarshal(buff);
 
        numberOfBytes = (int)(buff.getShort() & 0xFFFF);
-       for(int idx = 0; idx < numberOfBytes; idx++)
-       {
-            OneByteChunk anX = new OneByteChunk();
-            anX.unmarshal(buff);
-            dataValues.add(anX);
-       }
-
+       dataValues = new byte[numberOfBytes];
+       buff.get(dataValues);
  } // end of unmarshal method 
 
 
@@ -179,12 +153,7 @@ public boolean equalsImpl(Object obj)
      final GridAxisRecordRepresentation0 rhs = (GridAxisRecordRepresentation0)obj;
 
      if( ! (numberOfBytes == rhs.numberOfBytes)) ivarsEqual = false;
-
-     for(int idx = 0; idx < dataValues.size(); idx++)
-     {
-        if( ! ( dataValues.get(idx).equals(rhs.dataValues.get(idx)))) ivarsEqual = false;
-     }
-
+     if( ! (Arrays.equals(dataValues, rhs.dataValues))) ivarsEqual = false;
 
     return ivarsEqual && super.equalsImpl(rhs);
  }
diff --git a/src/main/java/edu/nps/moves/dis/IntercomCommunicationsParameters.java b/src/main/java/edu/nps/moves/dis/IntercomCommunicationsParameters.java
index c49d1ab2..e80166a8 100644
--- a/src/main/java/edu/nps/moves/dis/IntercomCommunicationsParameters.java
+++ b/src/main/java/edu/nps/moves/dis/IntercomCommunicationsParameters.java
@@ -23,7 +23,7 @@ public class IntercomCommunicationsParameters extends Object implements Serializ
    protected int  recordLength;
 
    /** variable length variablelist of data parameters  */
-   protected List< OneByteChunk > parameterValues = new ArrayList< OneByteChunk >(); 
+   protected byte[] parameterValues = new byte[0];
 
 /** Constructor */
  public IntercomCommunicationsParameters()
@@ -36,11 +36,7 @@ public int getMarshalledSize()
 
    marshalSize = marshalSize + 2;  // recordType
    marshalSize = marshalSize + 2;  // recordLength
-   for(int idx=0; idx < parameterValues.size(); idx++)
-   {
-        OneByteChunk listElement = parameterValues.get(idx);
-        marshalSize = marshalSize + listElement.getMarshalledSize();
-   }
+   marshalSize = marshalSize + parameterValues.length;
 
    return marshalSize;
 }
@@ -55,7 +51,7 @@ public int getRecordType()
 }
 
 public int getRecordLength()
-{ return (int)parameterValues.size();
+{ return parameterValues.length;
 }
 
 /** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
@@ -66,11 +62,11 @@ public void setRecordLength(int pRecordLength)
 { recordLength = pRecordLength;
 }
 
-public void setParameterValues(List<OneByteChunk> pParameterValues)
+public void setParameterValues(byte[] pParameterValues)
 { parameterValues = pParameterValues;
 }
 
-public List<OneByteChunk> getParameterValues()
+public byte[] getParameterValues()
 { return parameterValues; }
 
 
@@ -79,14 +75,8 @@ public void marshal(DataOutputStream dos)
     try 
     {
        dos.writeShort( (short)recordType);
-       dos.writeShort( (short)parameterValues.size());
-
-       for(int idx = 0; idx < parameterValues.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = parameterValues.get(idx);
-            aOneByteChunk.marshal(dos);
-       } // end of list marshalling
-
+       dos.writeShort( (short)parameterValues.length);
+       dos.write(parameterValues);
     } // end try 
     catch(Exception e)
     { 
@@ -99,13 +89,8 @@ public void unmarshal(DataInputStream dis)
     {
        recordType = (int)dis.readUnsignedShort();
        recordLength = (int)dis.readUnsignedShort();
-       for(int idx = 0; idx < recordLength; idx++)
-       {
-           OneByteChunk anX = new OneByteChunk();
-           anX.unmarshal(dis);
-           parameterValues.add(anX);
-       }
-
+       parameterValues = new byte[recordLength];
+       dis.read(parameterValues);
     } // end try 
    catch(Exception e)
     { 
@@ -125,14 +110,8 @@ public void unmarshal(DataInputStream dis)
 public void marshal(java.nio.ByteBuffer buff)
 {
        buff.putShort( (short)recordType);
-       buff.putShort( (short)parameterValues.size());
-
-       for(int idx = 0; idx < parameterValues.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = (OneByteChunk)parameterValues.get(idx);
-            aOneByteChunk.marshal(buff);
-       } // end of list marshalling
-
+       buff.putShort( (short)parameterValues.length);
+       buff.put(parameterValues);
     } // end of marshal method
 
 /**
@@ -146,13 +125,8 @@ public void unmarshal(java.nio.ByteBuffer buff)
 {
        recordType = (int)(buff.getShort() & 0xFFFF);
        recordLength = (int)(buff.getShort() & 0xFFFF);
-       for(int idx = 0; idx < recordLength; idx++)
-       {
-            OneByteChunk anX = new OneByteChunk();
-            anX.unmarshal(buff);
-            parameterValues.add(anX);
-       }
-
+       parameterValues = new byte[recordLength];
+       buff.get(parameterValues);
  } // end of unmarshal method 
 
 
@@ -194,12 +168,7 @@ public boolean equalsImpl(Object obj)
 
      if( ! (recordType == rhs.recordType)) ivarsEqual = false;
      if( ! (recordLength == rhs.recordLength)) ivarsEqual = false;
-
-     for(int idx = 0; idx < parameterValues.size(); idx++)
-     {
-        if( ! ( parameterValues.get(idx).equals(rhs.parameterValues.get(idx)))) ivarsEqual = false;
-     }
-
+     if( ! (Arrays.equals(parameterValues, rhs.parameterValues))) ivarsEqual = false;
 
     return ivarsEqual;
  }
diff --git a/src/main/java/edu/nps/moves/dis/IntercomSignalPdu.java b/src/main/java/edu/nps/moves/dis/IntercomSignalPdu.java
index af28bb1f..b2bb9ca8 100644
--- a/src/main/java/edu/nps/moves/dis/IntercomSignalPdu.java
+++ b/src/main/java/edu/nps/moves/dis/IntercomSignalPdu.java
@@ -38,7 +38,7 @@ public class IntercomSignalPdu extends RadioCommunicationsFamilyPdu implements S
    protected int  samples;
 
    /** data bytes */
-   protected List< OneByteChunk > data = new ArrayList< OneByteChunk >(); 
+   protected byte[] data = new byte[0];
 
 /** Constructor */
  public IntercomSignalPdu()
@@ -58,11 +58,7 @@ public int getMarshalledSize()
    marshalSize = marshalSize + 4;  // sampleRate
    marshalSize = marshalSize + 2;  // dataLength
    marshalSize = marshalSize + 2;  // samples
-   for(int idx=0; idx < data.size(); idx++)
-   {
-        OneByteChunk listElement = data.get(idx);
-        marshalSize = marshalSize + listElement.getMarshalledSize();
-   }
+   marshalSize = marshalSize + data.length;
 
    return marshalSize;
 }
@@ -109,7 +105,7 @@ public long getSampleRate()
 }
 
 public int getDataLength()
-{ return (int)data.size();
+{ return data.length;
 }
 
 /** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
@@ -128,11 +124,11 @@ public int getSamples()
 { return samples; 
 }
 
-public void setData(List<OneByteChunk> pData)
+public void setData(byte[] pData)
 { data = pData;
 }
 
-public List<OneByteChunk> getData()
+public byte[] getData()
 { return data; }
 
 
@@ -146,15 +142,9 @@ public void marshal(DataOutputStream dos)
        dos.writeShort( (short)encodingScheme);
        dos.writeShort( (short)tdlType);
        dos.writeInt( (int)sampleRate);
-       dos.writeShort( (short)data.size());
+       dos.writeShort( (short)data.length);
        dos.writeShort( (short)samples);
-
-       for(int idx = 0; idx < data.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = data.get(idx);
-            aOneByteChunk.marshal(dos);
-       } // end of list marshalling
-
+       dos.write(data);
     } // end try 
     catch(Exception e)
     { 
@@ -174,13 +164,8 @@ public void unmarshal(DataInputStream dis)
        sampleRate = dis.readInt();
        dataLength = (int)dis.readUnsignedShort();
        samples = (int)dis.readUnsignedShort();
-       for(int idx = 0; idx < dataLength; idx++)
-       {
-           OneByteChunk anX = new OneByteChunk();
-           anX.unmarshal(dis);
-           data.add(anX);
-       }
-
+       data = new byte[dataLength];
+       dis.read(data);
     } // end try 
    catch(Exception e)
     { 
@@ -205,15 +190,9 @@ public void marshal(java.nio.ByteBuffer buff)
        buff.putShort( (short)encodingScheme);
        buff.putShort( (short)tdlType);
        buff.putInt( (int)sampleRate);
-       buff.putShort( (short)data.size());
+       buff.putShort( (short)data.length);
        buff.putShort( (short)samples);
-
-       for(int idx = 0; idx < data.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = (OneByteChunk)data.get(idx);
-            aOneByteChunk.marshal(buff);
-       } // end of list marshalling
-
+       buff.put(data);
     } // end of marshal method
 
 /**
@@ -234,13 +213,8 @@ public void unmarshal(java.nio.ByteBuffer buff)
        sampleRate = buff.getInt();
        dataLength = (int)(buff.getShort() & 0xFFFF);
        samples = (int)(buff.getShort() & 0xFFFF);
-       for(int idx = 0; idx < dataLength; idx++)
-       {
-            OneByteChunk anX = new OneByteChunk();
-            anX.unmarshal(buff);
-            data.add(anX);
-       }
-
+       data = new byte[dataLength];
+       buff.get(data);
  } // end of unmarshal method 
 
 
@@ -282,12 +256,7 @@ public boolean equalsImpl(Object obj)
      if( ! (sampleRate == rhs.sampleRate)) ivarsEqual = false;
      if( ! (dataLength == rhs.dataLength)) ivarsEqual = false;
      if( ! (samples == rhs.samples)) ivarsEqual = false;
-
-     for(int idx = 0; idx < data.size(); idx++)
-     {
-        if( ! ( data.get(idx).equals(rhs.data.get(idx)))) ivarsEqual = false;
-     }
-
+     if( ! (Arrays.equals(data, rhs.data))) ivarsEqual = false;
 
     return ivarsEqual && super.equalsImpl(rhs);
  }
diff --git a/src/main/java/edu/nps/moves/dis/OneByteChunk.java b/src/main/java/edu/nps/moves/dis/OneByteChunk.java
deleted file mode 100644
index 62bd0d70..00000000
--- a/src/main/java/edu/nps/moves/dis/OneByteChunk.java
+++ /dev/null
@@ -1,157 +0,0 @@
-package edu.nps.moves.dis;
-
-import java.util.*;
-import java.io.*;
-import edu.nps.moves.disenum.*;
-import edu.nps.moves.disutil.*;
-
-
-/**
- * 8 bit piece of data
- *
- * Copyright (c) 2008-2016, MOVES Institute, Naval Postgraduate School. All rights reserved.
- * This work is licensed under the BSD open source license, available at https://www.movesinstitute.org/licenses/bsd.html
- *
- * @author DMcG
- */
-public class OneByteChunk extends Object implements Serializable
-{
-   /** one byte of arbitrary data */
-   protected byte[]  otherParameters = new byte[1]; 
-
-
-/** Constructor */
- public OneByteChunk()
- {
- }
-
-public int getMarshalledSize()
-{
-   int marshalSize = 0; 
-
-   marshalSize = marshalSize + 1 * 1;  // otherParameters
-
-   return marshalSize;
-}
-
-
-public void setOtherParameters(byte[] pOtherParameters)
-{ otherParameters = pOtherParameters;
-}
-
-public byte[] getOtherParameters()
-{ return otherParameters; }
-
-
-public void marshal(DataOutputStream dos)
-{
-    try 
-    {
-
-       for(int idx = 0; idx < otherParameters.length; idx++)
-       {
-           dos.writeByte(otherParameters[idx]);
-       } // end of array marshaling
-
-    } // end try 
-    catch(Exception e)
-    { 
-      System.out.println(e);}
-    } // end of marshal method
-
-public void unmarshal(DataInputStream dis)
-{
-    try 
-    {
-       for(int idx = 0; idx < otherParameters.length; idx++)
-       {
-                otherParameters[idx] = dis.readByte();
-       } // end of array unmarshaling
-    } // end try 
-   catch(Exception e)
-    { 
-      System.out.println(e); 
-    }
- } // end of unmarshal method 
-
-
-/**
- * Packs a Pdu into the ByteBuffer.
- * @throws java.nio.BufferOverflowException if buff is too small
- * @throws java.nio.ReadOnlyBufferException if buff is read only
- * @see java.nio.ByteBuffer
- * @param buff The ByteBuffer at the position to begin writing
- * @since ??
- */
-public void marshal(java.nio.ByteBuffer buff)
-{
-
-       for(int idx = 0; idx < otherParameters.length; idx++)
-       {
-           buff.put((byte)otherParameters[idx]);
-       } // end of array marshaling
-
-    } // end of marshal method
-
-/**
- * Unpacks a Pdu from the underlying data.
- * @throws java.nio.BufferUnderflowException if buff is too small
- * @see java.nio.ByteBuffer
- * @param buff The ByteBuffer at the position to begin reading
- * @since ??
- */
-public void unmarshal(java.nio.ByteBuffer buff)
-{
-       for(int idx = 0; idx < otherParameters.length; idx++)
-       {
-                otherParameters[idx] = buff.get();
-       } // end of array unmarshaling
- } // end of unmarshal method 
-
-
- /*
-  * The equals method doesn't always work--mostly it works only on classes that consist only of primitives. Be careful.
-  */
-@Override
- public boolean equals(Object obj)
- {
-
-    if(this == obj){
-      return true;
-    }
-
-    if(obj == null){
-       return false;
-    }
-
-    if(getClass() != obj.getClass())
-        return false;
-
-    return equalsImpl(obj);
- }
-
- /**
-  * Compare all fields that contribute to the state, ignoring
- transient and static fields, for <code>this</code> and the supplied object
-  * @param obj the object to compare to
-  * @return true if the objects are equal, false otherwise.
-  */
- public boolean equalsImpl(Object obj)
- {
-     boolean ivarsEqual = true;
-
-    if(!(obj instanceof OneByteChunk))
-        return false;
-
-     final OneByteChunk rhs = (OneByteChunk)obj;
-
-
-     for(int idx = 0; idx < 1; idx++)
-     {
-          if(!(otherParameters[idx] == rhs.otherParameters[idx])) ivarsEqual = false;
-     }
-
-
-    return ivarsEqual;
- }
-} // end of class
diff --git a/src/main/java/edu/nps/moves/dis/SignalPdu.java b/src/main/java/edu/nps/moves/dis/SignalPdu.java
index d9ec083b..4f9d9509 100644
--- a/src/main/java/edu/nps/moves/dis/SignalPdu.java
+++ b/src/main/java/edu/nps/moves/dis/SignalPdu.java
@@ -38,7 +38,7 @@ public class SignalPdu extends RadioCommunicationsFamilyPdu implements Serializa
    protected int  samples;
 
    /** list of eight bit values. Must be padded to fall on a 32 bit boundary. */
-   protected List< OneByteChunk > data = new ArrayList< OneByteChunk >(); 
+   protected byte[] data = new byte[0];
 
 /** Constructor */
  public SignalPdu()
@@ -57,12 +57,8 @@ public int getMarshalledSize()
    marshalSize = marshalSize + 2;  // tdlType
    marshalSize = marshalSize + 4;  // sampleRate
    marshalSize = marshalSize + 2;  // dataLength
-   marshalSize = marshalSize + 2;  // samples
-   for(int idx=0; idx < data.size(); idx++)
-   {
-        OneByteChunk listElement = data.get(idx);
-        marshalSize = marshalSize + listElement.getMarshalledSize();
-   }
+   marshalSize = marshalSize + 2;  // samples   
+   marshalSize = marshalSize + data.length;
 
    return marshalSize;
 }
@@ -128,11 +124,11 @@ public int getSamples()
 { return samples; 
 }
 
-public void setData(List<OneByteChunk> pData)
+public void setData(byte[] pData)
 { data = pData;
 }
 
-public List<OneByteChunk> getData()
+public byte[] getData()
 { return data; }
 
 
@@ -148,13 +144,7 @@ public void marshal(DataOutputStream dos)
        dos.writeInt( (int)sampleRate);
        dos.writeShort( (short)dataLength);
        dos.writeShort( (short)samples);
-
-       for(int idx = 0; idx < data.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = data.get(idx);
-            aOneByteChunk.marshal(dos);
-       } // end of list marshalling
-
+       dos.write(data);
     } // end try 
     catch(Exception e)
     { 
@@ -175,13 +165,8 @@ public void unmarshal(DataInputStream dis)
        dataLength = (int)dis.readUnsignedShort();
        samples = (int)dis.readUnsignedShort();
        final int dataLengthBytes = dataLength / Byte.SIZE;
-       for(int idx = 0; idx < dataLengthBytes; idx++)
-       {
-           OneByteChunk anX = new OneByteChunk();
-           anX.unmarshal(dis);
-           data.add(anX);
-       }
-
+       data = new byte[dataLengthBytes];
+       dis.read(data);
     } // end try 
    catch(Exception e)
     { 
@@ -208,13 +193,7 @@ public void marshal(java.nio.ByteBuffer buff)
        buff.putInt( (int)sampleRate);
        buff.putShort( (short)dataLength);
        buff.putShort( (short)samples);
-
-       for(int idx = 0; idx < data.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = (OneByteChunk)data.get(idx);
-            aOneByteChunk.marshal(buff);
-       } // end of list marshalling
-
+       buff.put(data);
     } // end of marshal method
 
 /**
@@ -236,13 +215,8 @@ public void unmarshal(java.nio.ByteBuffer buff)
        dataLength = (int)(buff.getShort() & 0xFFFF);
        samples = (int)(buff.getShort() & 0xFFFF);
        final int dataLengthBytes = dataLength / Byte.SIZE;
-       for(int idx = 0; idx < dataLengthBytes; idx++)
-       {
-            OneByteChunk anX = new OneByteChunk();
-            anX.unmarshal(buff);
-            data.add(anX);
-       }
-
+       data = new byte[dataLengthBytes];
+       buff.get(data);
  } // end of unmarshal method 
 
 
@@ -284,12 +258,7 @@ public boolean equalsImpl(Object obj)
      if( ! (sampleRate == rhs.sampleRate)) ivarsEqual = false;
      if( ! (dataLength == rhs.dataLength)) ivarsEqual = false;
      if( ! (samples == rhs.samples)) ivarsEqual = false;
-
-     for(int idx = 0; idx < data.size(); idx++)
-     {
-        if( ! ( data.get(idx).equals(rhs.data.get(idx)))) ivarsEqual = false;
-     }
-
+     if( ! (Arrays.equals(data, rhs.data))) ivarsEqual = false;
 
     return ivarsEqual && super.equalsImpl(rhs);
  }
diff --git a/src/main/java/edu/nps/moves/dis/VariableDatum.java b/src/main/java/edu/nps/moves/dis/VariableDatum.java
index b7d946ad..c3b3f545 100644
--- a/src/main/java/edu/nps/moves/dis/VariableDatum.java
+++ b/src/main/java/edu/nps/moves/dis/VariableDatum.java
@@ -23,7 +23,7 @@ public class VariableDatum extends Object implements Serializable
    protected long  variableDatumLength;
 
    /** data can be any length, but must increase in 8 byte quanta. This requires some postprocessing patches. Note that setting the data allocates a new internal array to account for the possibly increased size. The default initial size is 64 bits. */
-   protected List< OneByteChunk > variableData = new ArrayList< OneByteChunk >(); 
+   protected byte[] variableData;
 
 /** Constructor */
  public VariableDatum()
@@ -36,11 +36,7 @@ public int getMarshalledSize()
 
    marshalSize = marshalSize + 4;  // variableDatumID
    marshalSize = marshalSize + 4;  // variableDatumLength
-   for(int idx=0; idx < variableData.size(); idx++)
-   {
-        OneByteChunk listElement = variableData.get(idx);
-        marshalSize = marshalSize + listElement.getMarshalledSize();
-   }
+   marshalSize = marshalSize + variableData.length;
 
    // Account for required padding.
    marshalSize = marshalSize + datumPaddingSize();
@@ -58,7 +54,7 @@ public long getVariableDatumID()
 }
 
 public long getVariableDatumLength()
-{ return (long)variableData.size() * Byte.SIZE;
+{ return (long)variableData.length * Byte.SIZE;
 }
 
 /** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
@@ -69,11 +65,11 @@ public void setVariableDatumLength(long pVariableDatumLength)
 { variableDatumLength = pVariableDatumLength;
 }
 
-public void setVariableData(List<OneByteChunk> pVariableData)
+public void setVariableData(byte[] pVariableData)
 { variableData = pVariableData;
 }
 
-public List<OneByteChunk> getVariableData()
+public byte[] getVariableData()
 { return variableData; }
 
 
@@ -83,12 +79,7 @@ public void marshal(DataOutputStream dos)
     {
        dos.writeInt( (int)variableDatumID);
        dos.writeInt( (int)getVariableDatumLength());
-
-       for(int idx = 0; idx < variableData.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = variableData.get(idx);
-            aOneByteChunk.marshal(dos);
-       } // end of list marshalling
+       dos.write(variableData);
 
         // Add padding.
         for (int i = 0; i < datumPaddingSize(); i++) {
@@ -107,13 +98,9 @@ public void unmarshal(DataInputStream dis)
     {
        variableDatumID = dis.readInt();
        variableDatumLength = dis.readInt();
-       for(int idx = 0; idx < variableDatumLength / Byte.SIZE; idx++)
-       {
-           OneByteChunk anX = new OneByteChunk();
-           anX.unmarshal(dis);
-           variableData.add(anX);
-       }
-
+       final int dataLengthBytes = (int)variableDatumLength / Byte.SIZE;
+       variableData = new byte[dataLengthBytes];
+       dis.read(variableData);
     } // end try 
    catch(Exception e)
     { 
@@ -134,12 +121,7 @@ public void marshal(java.nio.ByteBuffer buff)
 {
        buff.putInt( (int)variableDatumID);
        buff.putInt( (int)getVariableDatumLength());
-
-       for(int idx = 0; idx < variableData.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = (OneByteChunk)variableData.get(idx);
-            aOneByteChunk.marshal(buff);
-       } // end of list marshalling
+       buff.put(variableData);
 
         // Add padding.
         for (int i = 0; i < datumPaddingSize(); i++) {
@@ -158,12 +140,9 @@ public void unmarshal(java.nio.ByteBuffer buff)
 {
        variableDatumID = buff.getInt();
        variableDatumLength = buff.getInt();
-       for(int idx = 0; idx < variableDatumLength / Byte.SIZE; idx++)
-       {
-            OneByteChunk anX = new OneByteChunk();
-            anX.unmarshal(buff);
-            variableData.add(anX);
-       }
+       final int dataLengthBytes = (int)variableDatumLength / Byte.SIZE;
+       variableData = new byte[dataLengthBytes];
+       buff.get(variableData);
 
  } // end of unmarshal method 
 
@@ -206,12 +185,7 @@ public boolean equalsImpl(Object obj)
 
      if( ! (variableDatumID == rhs.variableDatumID)) ivarsEqual = false;
      if( ! (variableDatumLength == rhs.variableDatumLength)) ivarsEqual = false;
-
-     for(int idx = 0; idx < variableData.size(); idx++)
-     {
-        if( ! ( variableData.get(idx).equals(rhs.variableData.get(idx)))) ivarsEqual = false;
-     }
-
+     if( ! (Arrays.equals(variableData, rhs.variableData))) ivarsEqual = false;
 
     return ivarsEqual;
  }
@@ -220,7 +194,7 @@ public boolean equalsImpl(Object obj)
     private int datumPaddingSize() {
         final int BYTES_IN_64_BITS = 8;
         int padding = 0;
-        final int remainder = variableData.size() % BYTES_IN_64_BITS;
+        final int remainder = (int)variableData.length % BYTES_IN_64_BITS;
         if (remainder != 0) {
             padding = BYTES_IN_64_BITS - remainder;
         }
diff --git a/src/main/java/edu/nps/moves/dis7/IFFData.java b/src/main/java/edu/nps/moves/dis7/IFFData.java
index 80f3c87a..ec391129 100644
--- a/src/main/java/edu/nps/moves/dis7/IFFData.java
+++ b/src/main/java/edu/nps/moves/dis7/IFFData.java
@@ -23,7 +23,7 @@ public class IFFData extends Object implements Serializable
    protected int  recordLength;
 
    /** IFF data. */
-   protected List< OneByteChunk > iffData = new ArrayList< OneByteChunk >(); 
+   protected byte[] iffData = new byte[0];
 
 /** Constructor */
  public IFFData()
@@ -36,11 +36,7 @@ public int getMarshalledSize()
 
    marshalSize = marshalSize + 4;  // recordType
    marshalSize = marshalSize + 2;  // recordLength
-   for(int idx=0; idx < iffData.size(); idx++)
-   {
-        OneByteChunk listElement = iffData.get(idx);
-        marshalSize = marshalSize + listElement.getMarshalledSize();
-   }
+   marshalSize = marshalSize + iffData.length;
 
    return marshalSize;
 }
@@ -55,7 +51,7 @@ public long getRecordType()
 }
 
 public int getRecordLength()
-{ return (int)iffData.size();
+{ return iffData.length;
 }
 
 /** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
@@ -66,11 +62,11 @@ public void setRecordLength(int pRecordLength)
 { recordLength = pRecordLength;
 }
 
-public void setIffData(List<OneByteChunk> pIffData)
+public void setIffData(byte[] pIffData)
 { iffData = pIffData;
 }
 
-public List<OneByteChunk> getIffData()
+public byte[] getIffData()
 { return iffData; }
 
 
@@ -79,14 +75,8 @@ public void marshal(DataOutputStream dos)
     try 
     {
        dos.writeInt( (int)recordType);
-       dos.writeShort( (short)iffData.size());
-
-       for(int idx = 0; idx < iffData.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = iffData.get(idx);
-            aOneByteChunk.marshal(dos);
-       } // end of list marshalling
-
+       dos.writeShort( (short)iffData.length);
+       dos.write(iffData);
     } // end try 
     catch(Exception e)
     { 
@@ -99,13 +89,8 @@ public void unmarshal(DataInputStream dis)
     {
        recordType = dis.readInt();
        recordLength = (int)dis.readUnsignedShort();
-       for(int idx = 0; idx < recordLength; idx++)
-       {
-           OneByteChunk anX = new OneByteChunk();
-           anX.unmarshal(dis);
-           iffData.add(anX);
-       }
-
+       iffData = new byte[recordLength];
+       dis.read(iffData);
     } // end try 
    catch(Exception e)
     { 
@@ -125,14 +110,8 @@ public void unmarshal(DataInputStream dis)
 public void marshal(java.nio.ByteBuffer buff)
 {
        buff.putInt( (int)recordType);
-       buff.putShort( (short)iffData.size());
-
-       for(int idx = 0; idx < iffData.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = (OneByteChunk)iffData.get(idx);
-            aOneByteChunk.marshal(buff);
-       } // end of list marshalling
-
+       buff.putShort( (short)iffData.length);
+       buff.put(iffData);
     } // end of marshal method
 
 /**
@@ -146,13 +125,8 @@ public void unmarshal(java.nio.ByteBuffer buff)
 {
        recordType = buff.getInt();
        recordLength = (int)(buff.getShort() & 0xFFFF);
-       for(int idx = 0; idx < recordLength; idx++)
-       {
-            OneByteChunk anX = new OneByteChunk();
-            anX.unmarshal(buff);
-            iffData.add(anX);
-       }
-
+       iffData = new byte[recordLength];
+       buff.get(iffData);
  } // end of unmarshal method 
 
 
@@ -194,12 +168,7 @@ public boolean equalsImpl(Object obj)
 
      if( ! (recordType == rhs.recordType)) ivarsEqual = false;
      if( ! (recordLength == rhs.recordLength)) ivarsEqual = false;
-
-     for(int idx = 0; idx < iffData.size(); idx++)
-     {
-        if( ! ( iffData.get(idx).equals(rhs.iffData.get(idx)))) ivarsEqual = false;
-     }
-
+     if( ! (Arrays.equals(iffData, rhs.iffData))) ivarsEqual = false;
 
     return ivarsEqual;
  }
diff --git a/src/main/java/edu/nps/moves/dis7/IntercomSignalPdu.java b/src/main/java/edu/nps/moves/dis7/IntercomSignalPdu.java
index 570a6be1..a32cad90 100644
--- a/src/main/java/edu/nps/moves/dis7/IntercomSignalPdu.java
+++ b/src/main/java/edu/nps/moves/dis7/IntercomSignalPdu.java
@@ -38,7 +38,7 @@ public class IntercomSignalPdu extends RadioCommunicationsFamilyPdu implements S
    protected int  samples;
 
    /** data bytes */
-   protected List< OneByteChunk > data = new ArrayList< OneByteChunk >(); 
+   protected byte[] data = new byte[0];
 
 /** Constructor */
  public IntercomSignalPdu()
@@ -58,11 +58,7 @@ public int getMarshalledSize()
    marshalSize = marshalSize + 4;  // sampleRate
    marshalSize = marshalSize + 2;  // dataLength
    marshalSize = marshalSize + 2;  // samples
-   for(int idx=0; idx < data.size(); idx++)
-   {
-        OneByteChunk listElement = data.get(idx);
-        marshalSize = marshalSize + listElement.getMarshalledSize();
-   }
+   marshalSize = marshalSize + data.length;
 
    return marshalSize;
 }
@@ -109,7 +105,7 @@ public long getSampleRate()
 }
 
 public int getDataLength()
-{ return (int)data.size();
+{ return (int)data.length;
 }
 
 /** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
@@ -128,11 +124,11 @@ public int getSamples()
 { return samples; 
 }
 
-public void setData(List<OneByteChunk> pData)
+public void setData(byte[] pData)
 { data = pData;
 }
 
-public List<OneByteChunk> getData()
+public byte[] getData()
 { return data; }
 
 
@@ -146,15 +142,9 @@ public void marshal(DataOutputStream dos)
        dos.writeShort( (short)encodingScheme);
        dos.writeShort( (short)tdlType);
        dos.writeInt( (int)sampleRate);
-       dos.writeShort( (short)data.size());
+       dos.writeShort( (short)data.length);
        dos.writeShort( (short)samples);
-
-       for(int idx = 0; idx < data.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = data.get(idx);
-            aOneByteChunk.marshal(dos);
-       } // end of list marshalling
-
+       dos.write(data);
     } // end try 
     catch(Exception e)
     { 
@@ -174,13 +164,8 @@ public void unmarshal(DataInputStream dis)
        sampleRate = dis.readInt();
        dataLength = (int)dis.readUnsignedShort();
        samples = (int)dis.readUnsignedShort();
-       for(int idx = 0; idx < dataLength; idx++)
-       {
-           OneByteChunk anX = new OneByteChunk();
-           anX.unmarshal(dis);
-           data.add(anX);
-       }
-
+       data = new byte[dataLength];
+       dis.read(data);
     } // end try 
    catch(Exception e)
     { 
@@ -205,15 +190,9 @@ public void marshal(java.nio.ByteBuffer buff)
        buff.putShort( (short)encodingScheme);
        buff.putShort( (short)tdlType);
        buff.putInt( (int)sampleRate);
-       buff.putShort( (short)data.size());
+       buff.putShort( (short)data.length);
        buff.putShort( (short)samples);
-
-       for(int idx = 0; idx < data.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = (OneByteChunk)data.get(idx);
-            aOneByteChunk.marshal(buff);
-       } // end of list marshalling
-
+       buff.put(data);
     } // end of marshal method
 
 /**
@@ -234,13 +213,8 @@ public void unmarshal(java.nio.ByteBuffer buff)
        sampleRate = buff.getInt();
        dataLength = (int)(buff.getShort() & 0xFFFF);
        samples = (int)(buff.getShort() & 0xFFFF);
-       for(int idx = 0; idx < dataLength; idx++)
-       {
-            OneByteChunk anX = new OneByteChunk();
-            anX.unmarshal(buff);
-            data.add(anX);
-       }
-
+       data = new byte[dataLength];
+       buff.get(data);
  } // end of unmarshal method 
 
 
@@ -282,12 +256,7 @@ public boolean equalsImpl(Object obj)
      if( ! (sampleRate == rhs.sampleRate)) ivarsEqual = false;
      if( ! (dataLength == rhs.dataLength)) ivarsEqual = false;
      if( ! (samples == rhs.samples)) ivarsEqual = false;
-
-     for(int idx = 0; idx < data.size(); idx++)
-     {
-        if( ! ( data.get(idx).equals(rhs.data.get(idx)))) ivarsEqual = false;
-     }
-
+     if( ! (Arrays.equals(data, rhs.data))) ivarsEqual = false;
 
     return ivarsEqual && super.equalsImpl(rhs);
  }
diff --git a/src/main/java/edu/nps/moves/dis7/OneByteChunk.java b/src/main/java/edu/nps/moves/dis7/OneByteChunk.java
deleted file mode 100644
index f6bd4706..00000000
--- a/src/main/java/edu/nps/moves/dis7/OneByteChunk.java
+++ /dev/null
@@ -1,157 +0,0 @@
-package edu.nps.moves.dis7;
-
-import java.util.*;
-import java.io.*;
-import edu.nps.moves.disenum.*;
-import edu.nps.moves.disutil.*;
-
-
-/**
- * 8 bit piece of data
- *
- * Copyright (c) 2008-2016, MOVES Institute, Naval Postgraduate School. All rights reserved.
- * This work is licensed under the BSD open source license, available at https://www.movesinstitute.org/licenses/bsd.html
- *
- * @author DMcG
- */
-public class OneByteChunk extends Object implements Serializable
-{
-   /** one byte of arbitrary data */
-   protected byte[]  otherParameters = new byte[1]; 
-
-
-/** Constructor */
- public OneByteChunk()
- {
- }
-
-public int getMarshalledSize()
-{
-   int marshalSize = 0; 
-
-   marshalSize = marshalSize + 1 * 1;  // otherParameters
-
-   return marshalSize;
-}
-
-
-public void setOtherParameters(byte[] pOtherParameters)
-{ otherParameters = pOtherParameters;
-}
-
-public byte[] getOtherParameters()
-{ return otherParameters; }
-
-
-public void marshal(DataOutputStream dos)
-{
-    try 
-    {
-
-       for(int idx = 0; idx < otherParameters.length; idx++)
-       {
-           dos.writeByte(otherParameters[idx]);
-       } // end of array marshaling
-
-    } // end try 
-    catch(Exception e)
-    { 
-      System.out.println(e);}
-    } // end of marshal method
-
-public void unmarshal(DataInputStream dis)
-{
-    try 
-    {
-       for(int idx = 0; idx < otherParameters.length; idx++)
-       {
-                otherParameters[idx] = dis.readByte();
-       } // end of array unmarshaling
-    } // end try 
-   catch(Exception e)
-    { 
-      System.out.println(e); 
-    }
- } // end of unmarshal method 
-
-
-/**
- * Packs a Pdu into the ByteBuffer.
- * @throws java.nio.BufferOverflowException if buff is too small
- * @throws java.nio.ReadOnlyBufferException if buff is read only
- * @see java.nio.ByteBuffer
- * @param buff The ByteBuffer at the position to begin writing
- * @since ??
- */
-public void marshal(java.nio.ByteBuffer buff)
-{
-
-       for(int idx = 0; idx < otherParameters.length; idx++)
-       {
-           buff.put((byte)otherParameters[idx]);
-       } // end of array marshaling
-
-    } // end of marshal method
-
-/**
- * Unpacks a Pdu from the underlying data.
- * @throws java.nio.BufferUnderflowException if buff is too small
- * @see java.nio.ByteBuffer
- * @param buff The ByteBuffer at the position to begin reading
- * @since ??
- */
-public void unmarshal(java.nio.ByteBuffer buff)
-{
-       for(int idx = 0; idx < otherParameters.length; idx++)
-       {
-                otherParameters[idx] = buff.get();
-       } // end of array unmarshaling
- } // end of unmarshal method 
-
-
- /*
-  * The equals method doesn't always work--mostly it works only on classes that consist only of primitives. Be careful.
-  */
-@Override
- public boolean equals(Object obj)
- {
-
-    if(this == obj){
-      return true;
-    }
-
-    if(obj == null){
-       return false;
-    }
-
-    if(getClass() != obj.getClass())
-        return false;
-
-    return equalsImpl(obj);
- }
-
- /**
-  * Compare all fields that contribute to the state, ignoring
- transient and static fields, for <code>this</code> and the supplied object
-  * @param obj the object to compare to
-  * @return true if the objects are equal, false otherwise.
-  */
- public boolean equalsImpl(Object obj)
- {
-     boolean ivarsEqual = true;
-
-    if(!(obj instanceof OneByteChunk))
-        return false;
-
-     final OneByteChunk rhs = (OneByteChunk)obj;
-
-
-     for(int idx = 0; idx < 1; idx++)
-     {
-          if(!(otherParameters[idx] == rhs.otherParameters[idx])) ivarsEqual = false;
-     }
-
-
-    return ivarsEqual;
- }
-} // end of class
diff --git a/src/main/java/edu/nps/moves/dis7/SignalPdu.java b/src/main/java/edu/nps/moves/dis7/SignalPdu.java
index 138c7325..0e0f9727 100644
--- a/src/main/java/edu/nps/moves/dis7/SignalPdu.java
+++ b/src/main/java/edu/nps/moves/dis7/SignalPdu.java
@@ -32,7 +32,7 @@ public class SignalPdu extends RadioCommunicationsFamilyPdu implements Serializa
    protected short  samples;
 
    /** list of eight bit values */
-   protected List< OneByteChunk > data = new ArrayList< OneByteChunk >(); 
+   protected byte[] data = new byte[0];
 
 /** Constructor */
  public SignalPdu()
@@ -50,11 +50,7 @@ public int getMarshalledSize()
    marshalSize = marshalSize + 4;  // sampleRate
    marshalSize = marshalSize + 2;  // dataLength
    marshalSize = marshalSize + 2;  // samples
-   for(int idx=0; idx < data.size(); idx++)
-   {
-        OneByteChunk listElement = data.get(idx);
-        marshalSize = marshalSize + listElement.getMarshalledSize();
-   }
+   marshalSize = marshalSize + data.length;
 
    return marshalSize;
 }
@@ -85,7 +81,7 @@ public long getSampleRate()
 }
 
 public short getDataLength()
-{ return (short)data.size();
+{ return (short)data.length;
 }
 
 /** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
@@ -104,11 +100,11 @@ public short getSamples()
 { return samples; 
 }
 
-public void setData(List<OneByteChunk> pData)
+public void setData(byte[] pData)
 { data = pData;
 }
 
-public List<OneByteChunk> getData()
+public byte[] getData()
 { return data; }
 
 
@@ -120,15 +116,9 @@ public void marshal(DataOutputStream dos)
        dos.writeShort( (short)encodingScheme);
        dos.writeShort( (short)tdlType);
        dos.writeInt( (int)sampleRate);
-       dos.writeShort( (short)data.size());
+       dos.writeShort( (short)data.length);
        dos.writeShort( (short)samples);
-
-       for(int idx = 0; idx < data.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = data.get(idx);
-            aOneByteChunk.marshal(dos);
-       } // end of list marshalling
-
+       dos.write(data);
     } // end try 
     catch(Exception e)
     { 
@@ -146,13 +136,8 @@ public void unmarshal(DataInputStream dis)
        sampleRate = dis.readInt();
        dataLength = dis.readShort();
        samples = dis.readShort();
-       for(int idx = 0; idx < dataLength; idx++)
-       {
-           OneByteChunk anX = new OneByteChunk();
-           anX.unmarshal(dis);
-           data.add(anX);
-       }
-
+       data = new byte[dataLength];
+       dis.read(data);
     } // end try 
    catch(Exception e)
     { 
@@ -175,15 +160,9 @@ public void marshal(java.nio.ByteBuffer buff)
        buff.putShort( (short)encodingScheme);
        buff.putShort( (short)tdlType);
        buff.putInt( (int)sampleRate);
-       buff.putShort( (short)data.size());
+       buff.putShort( (short)data.length);
        buff.putShort( (short)samples);
-
-       for(int idx = 0; idx < data.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = (OneByteChunk)data.get(idx);
-            aOneByteChunk.marshal(buff);
-       } // end of list marshalling
-
+       buff.put(data);
     } // end of marshal method
 
 /**
@@ -202,13 +181,8 @@ public void unmarshal(java.nio.ByteBuffer buff)
        sampleRate = buff.getInt();
        dataLength = buff.getShort();
        samples = buff.getShort();
-       for(int idx = 0; idx < dataLength; idx++)
-       {
-            OneByteChunk anX = new OneByteChunk();
-            anX.unmarshal(buff);
-            data.add(anX);
-       }
-
+       data = new byte[dataLength];
+       buff.get(data);
  } // end of unmarshal method 
 
 
@@ -248,12 +222,7 @@ public boolean equalsImpl(Object obj)
      if( ! (sampleRate == rhs.sampleRate)) ivarsEqual = false;
      if( ! (dataLength == rhs.dataLength)) ivarsEqual = false;
      if( ! (samples == rhs.samples)) ivarsEqual = false;
-
-     for(int idx = 0; idx < data.size(); idx++)
-     {
-        if( ! ( data.get(idx).equals(rhs.data.get(idx)))) ivarsEqual = false;
-     }
-
+     if( ! (Arrays.equals(data, rhs.data))) ivarsEqual = false;
 
     return ivarsEqual && super.equalsImpl(rhs);
  }
diff --git a/src/main/java/edu/nps/moves/dis7/VariableDatum.java b/src/main/java/edu/nps/moves/dis7/VariableDatum.java
index 7c750f93..3f27ef91 100644
--- a/src/main/java/edu/nps/moves/dis7/VariableDatum.java
+++ b/src/main/java/edu/nps/moves/dis7/VariableDatum.java
@@ -23,7 +23,7 @@ public class VariableDatum extends Object implements Serializable
    protected long  variableDatumLength;
 
    /** Variable length data class */
-   protected List< OneByteChunk > variableDatumData = new ArrayList< OneByteChunk >(); 
+   protected byte[] variableDatumData = new byte[0];
 
 /** Constructor */
  public VariableDatum()
@@ -36,11 +36,7 @@ public int getMarshalledSize()
 
    marshalSize = marshalSize + 4;  // variableDatumID
    marshalSize = marshalSize + 4;  // variableDatumLength
-   for(int idx=0; idx < variableDatumData.size(); idx++)
-   {
-        OneByteChunk listElement = variableDatumData.get(idx);
-        marshalSize = marshalSize + listElement.getMarshalledSize();
-   }
+   marshalSize = marshalSize + variableDatumData.length;
 
    return marshalSize;
 }
@@ -55,7 +51,7 @@ public long getVariableDatumID()
 }
 
 public long getVariableDatumLength()
-{ return (long)variableDatumData.size();
+{ return (long)variableDatumData.length;
 }
 
 /** Note that setting this value will not change the marshalled value. The list whose length this describes is used for that purpose.
@@ -66,11 +62,11 @@ public void setVariableDatumLength(long pVariableDatumLength)
 { variableDatumLength = pVariableDatumLength;
 }
 
-public void setVariableDatumData(List<OneByteChunk> pVariableDatumData)
+public void setVariableDatumData(byte[] pVariableDatumData)
 { variableDatumData = pVariableDatumData;
 }
 
-public List<OneByteChunk> getVariableDatumData()
+public byte[] getVariableDatumData()
 { return variableDatumData; }
 
 
@@ -79,14 +75,8 @@ public void marshal(DataOutputStream dos)
     try 
     {
        dos.writeInt( (int)variableDatumID);
-       dos.writeInt( (int)variableDatumData.size());
-
-       for(int idx = 0; idx < variableDatumData.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = variableDatumData.get(idx);
-            aOneByteChunk.marshal(dos);
-       } // end of list marshalling
-
+       dos.writeInt( (int)variableDatumData.length);
+       dos.write(variableDatumData);
     } // end try 
     catch(Exception e)
     { 
@@ -99,13 +89,8 @@ public void unmarshal(DataInputStream dis)
     {
        variableDatumID = dis.readInt();
        variableDatumLength = dis.readInt();
-       for(int idx = 0; idx < variableDatumLength; idx++)
-       {
-           OneByteChunk anX = new OneByteChunk();
-           anX.unmarshal(dis);
-           variableDatumData.add(anX);
-       }
-
+       variableDatumData = new byte[(int) variableDatumLength];
+       dis.read(variableDatumData);
     } // end try 
    catch(Exception e)
     { 
@@ -125,14 +110,8 @@ public void unmarshal(DataInputStream dis)
 public void marshal(java.nio.ByteBuffer buff)
 {
        buff.putInt( (int)variableDatumID);
-       buff.putInt( (int)variableDatumData.size());
-
-       for(int idx = 0; idx < variableDatumData.size(); idx++)
-       {
-            OneByteChunk aOneByteChunk = (OneByteChunk)variableDatumData.get(idx);
-            aOneByteChunk.marshal(buff);
-       } // end of list marshalling
-
+       buff.putInt( (int)variableDatumData.length);
+       buff.put(variableDatumData);
     } // end of marshal method
 
 /**
@@ -146,13 +125,8 @@ public void unmarshal(java.nio.ByteBuffer buff)
 {
        variableDatumID = buff.getInt();
        variableDatumLength = buff.getInt();
-       for(int idx = 0; idx < variableDatumLength; idx++)
-       {
-            OneByteChunk anX = new OneByteChunk();
-            anX.unmarshal(buff);
-            variableDatumData.add(anX);
-       }
-
+       variableDatumData = new byte[(int) variableDatumLength];
+       buff.get(variableDatumData);
  } // end of unmarshal method 
 
 
@@ -194,12 +168,7 @@ public boolean equalsImpl(Object obj)
 
      if( ! (variableDatumID == rhs.variableDatumID)) ivarsEqual = false;
      if( ! (variableDatumLength == rhs.variableDatumLength)) ivarsEqual = false;
-
-     for(int idx = 0; idx < variableDatumData.size(); idx++)
-     {
-        if( ! ( variableDatumData.get(idx).equals(rhs.variableDatumData.get(idx)))) ivarsEqual = false;
-     }
-
+     if( ! (Arrays.equals(variableDatumData, rhs.variableDatumData))) ivarsEqual = false;
 
     return ivarsEqual;
  }
diff --git a/src/main/java/edu/nps/moves/logger/LogReplay.java b/src/main/java/edu/nps/moves/logger/LogReplay.java
index 8ba638c5..6d13d4e6 100644
--- a/src/main/java/edu/nps/moves/logger/LogReplay.java
+++ b/src/main/java/edu/nps/moves/logger/LogReplay.java
@@ -219,7 +219,6 @@ public void replayExercise()
                 edu.nps.moves.dis.ApaData.class,
                 edu.nps.moves.dis.BeamData.class,
                 edu.nps.moves.dis.PropulsionSystemData.class,
-                edu.nps.moves.dis.OneByteChunk.class,
                 edu.nps.moves.dis.AcousticEmitter.class,
                 edu.nps.moves.dis.TransmitterPdu.class,
                 edu.nps.moves.dis.EventID.class,
diff --git a/src/main/java/edu/nps/moves/logger/LogWriter.java b/src/main/java/edu/nps/moves/logger/LogWriter.java
index 8077a80d..b6724d52 100644
--- a/src/main/java/edu/nps/moves/logger/LogWriter.java
+++ b/src/main/java/edu/nps/moves/logger/LogWriter.java
@@ -228,7 +228,6 @@ public void run() {
                         edu.nps.moves.dis.ApaData.class,
                         edu.nps.moves.dis.BeamData.class,
                         edu.nps.moves.dis.PropulsionSystemData.class,
-                        edu.nps.moves.dis.OneByteChunk.class,
                         edu.nps.moves.dis.AcousticEmitter.class,
                         edu.nps.moves.dis.TransmitterPdu.class,
                         edu.nps.moves.dis.EventID.class,
diff --git a/src/test/java/edu/nps/moves/dis/DataPduTest.java b/src/test/java/edu/nps/moves/dis/DataPduTest.java
index e1ffdc47..879f907e 100644
--- a/src/test/java/edu/nps/moves/dis/DataPduTest.java
+++ b/src/test/java/edu/nps/moves/dis/DataPduTest.java
@@ -42,10 +42,7 @@ public void unmarshal() throws IOException {
         assertEquals(1, vd.getVariableDatumID());
         assertEquals(1976, vd.getVariableDatumLength());
 
-        byte[] datumValue = new byte[(int) vd.getVariableData().size()];
-        for (int i = 0; i < vd.getVariableData().size(); i++) {
-            datumValue[i] = vd.getVariableData().get(i).getOtherParameters()[0];
-        }
+        byte[] datumValue = vd.getVariableData();
         assertEquals("[UAV2_PAYLOAD,UAV2_PLANNER,unit_7,UAV1_PLANNER,UAV1_PAYLOAD,unit_3,B 1-1-C-4:1,B 1-1-C-4:2,B 1-1-C-4:3,B 1-1-C-5:1,B 1-1-C-5:2,B 1-1-C-5:3,B 1-1-C-6:1,B 1-1-C-6:2,B 1-1-C-6:3,B 1-1-A-4:1,B 1-1-A-9:1,B 1-1-A-5:1,B 1-1-B-4:1,B 1-1-A-6:1,B 1-1-A-6:2]", new String(datumValue));
     }
 
diff --git a/src/test/java/edu/nps/moves/dis/IntercomSignalPduUnitTest.java b/src/test/java/edu/nps/moves/dis/IntercomSignalPduUnitTest.java
index 330eb223..6861b907 100644
--- a/src/test/java/edu/nps/moves/dis/IntercomSignalPduUnitTest.java
+++ b/src/test/java/edu/nps/moves/dis/IntercomSignalPduUnitTest.java
@@ -32,18 +32,7 @@ public void setUp() {
         eid.setEntity(101);
         eid.setSite(102);
 
-        /**
-         *  Ugh. The data for each chunk is a one byte array, rather than just
-         * a byte. Why did I do this?
-         */
-        List<OneByteChunk> signalData = new ArrayList<OneByteChunk>();
-        for (int i = 0; i < 100; i++) {
-            OneByteChunk chunk = new OneByteChunk();
-            byte data[] = new byte[1];
-            data[0] = (byte) i;
-            chunk.setOtherParameters(data);
-            signalData.add(chunk);
-        }
+        byte[] signalData = new byte[100];
 
         isp = new IntercomSignalPdu();
         isp.setCommunicationsDeviceID(1);
@@ -68,15 +57,11 @@ public void testFields() {
 
         assertEquals("CommunicationsDeviceID", isp.getCommunicationsDeviceID(), 1);
 
-        List<OneByteChunk> retrievedData = isp.getData();
+        byte[] retrievedData = isp.getData();
         assertEquals("Signal data length wrong", isp.getDataLength(), 100);
 
         // Check that each value in the variable-length array is the same as we set
-        for (int i = 0; i < 100; i++) {
-            OneByteChunk chunk = retrievedData.get(i);
-            byte[] data = chunk.getOtherParameters();
-            assertEquals("Signal data mismatch", data[0], i);
-        }
+        assertArrayEquals("Signal data mismatch", retrievedData, new byte[100]);
 
         assertEquals("EncodingScheme", isp.getEncodingScheme(), 2);
 
@@ -108,14 +93,10 @@ public void testMarshalUnmarshal() {
 
         assertEquals("CommunicationsDeviceID", isp.getCommunicationsDeviceID(), newIsp.getCommunicationsDeviceID());
 
-        List<OneByteChunk> oldData = isp.getData();
-        List<OneByteChunk> retrievedData = newIsp.getData();
+        byte[] oldData = isp.getData();
+        byte[] retrievedData = newIsp.getData();
         assertEquals("Signal data length wrong", isp.getDataLength(), newIsp.getDataLength());
-        for (int idx = 0; idx < 100; idx++) {
-            OneByteChunk oldChunk = oldData.get(idx);
-            OneByteChunk newChunk = retrievedData.get(idx);
-            assertEquals("Signal data mismatch", oldChunk.getOtherParameters()[0], newChunk.getOtherParameters()[0]);
-        }
+        assertArrayEquals("Signal data mismatch", oldData, retrievedData);
 
         assertEquals("EncodingScheme", isp.getEncodingScheme(), newIsp.getEncodingScheme());
 
diff --git a/src/test/java/edu/nps/moves/dis/SetDataPduTest.java b/src/test/java/edu/nps/moves/dis/SetDataPduTest.java
index 023494b4..bd921b46 100644
--- a/src/test/java/edu/nps/moves/dis/SetDataPduTest.java
+++ b/src/test/java/edu/nps/moves/dis/SetDataPduTest.java
@@ -42,10 +42,7 @@ public void unmarshal() throws IOException {
         assertEquals(1, vd.getVariableDatumID());
         assertEquals(64, vd.getVariableDatumLength());
 
-        byte[] datumValue = new byte[(int) vd.getVariableData().size()];
-        for (int i = 0; i < vd.getVariableData().size(); i++) {
-            datumValue[i] = vd.getVariableData().get(i).getOtherParameters()[0];
-        }
+        byte[] datumValue = vd.getVariableData();
         assertEquals("allunits", new String(datumValue));
     }
 
diff --git a/src/test/java/edu/nps/moves/dis/SignalPduTest.java b/src/test/java/edu/nps/moves/dis/SignalPduTest.java
index c8758252..c5dc2ca9 100644
--- a/src/test/java/edu/nps/moves/dis/SignalPduTest.java
+++ b/src/test/java/edu/nps/moves/dis/SignalPduTest.java
@@ -34,24 +34,16 @@ public void unmarshal() throws IOException {
         assertEquals(22050, spdu.getSampleRate());
         assertEquals(8192, spdu.getDataLength());
         assertEquals(512, spdu.getSamples());
-        assertEquals(8192 / Byte.SIZE, spdu.getData().size());
+        assertEquals(8192 / Byte.SIZE, spdu.getData().length);
     }
 
     @Test
     public void marshal() {
         SignalPdu spdu = new SignalPdu();
-        List<OneByteChunk> audioChunks = new ArrayList();
         final int numChunks = 10;
+        byte[] data = new byte[numChunks];
 
-        for (int i = 0; i < numChunks; i++) {
-            OneByteChunk obc = new OneByteChunk();
-            byte[] onebyte = new byte[1];
-            onebyte[0] = 1; // fake audio data, whatever.
-            obc.setOtherParameters(onebyte);
-            audioChunks.add(obc);
-        }
-
-        spdu.setData(audioChunks);
+        spdu.setData(data);
         spdu.setDataLength((short) numChunks * Byte.SIZE);
 
         assertEquals(numChunks * Byte.SIZE, spdu.getDataLength());
diff --git a/src/test/java/edu/nps/moves/dis/VariableDatumTest.java b/src/test/java/edu/nps/moves/dis/VariableDatumTest.java
index da4f4619..8b60d081 100644
--- a/src/test/java/edu/nps/moves/dis/VariableDatumTest.java
+++ b/src/test/java/edu/nps/moves/dis/VariableDatumTest.java
@@ -27,16 +27,7 @@ public void VariableDatumPatchTest()
         VariableDatum vd = new VariableDatum();
 
         final String datum = "1234567"; // seven bytes
-
-        List<OneByteChunk> datumBytes = new ArrayList();
-        for (byte b : datum.getBytes()) {
-            OneByteChunk obc = new OneByteChunk();
-            byte[] onebyte = new byte[1];
-            onebyte[0] = b;
-            obc.setOtherParameters(onebyte);
-            datumBytes.add(obc);
-        }
-
+        byte[] datumBytes = datum.getBytes();
         vd.setVariableData(datumBytes);
 		
         assertEquals(56, vd.getVariableDatumLength()); // Ensure length is in bits.