diff --git a/log.capnp b/log.capnp
index fe5ffdf6c20ad5..e01c8977e23607 100644
--- a/log.capnp
+++ b/log.capnp
@@ -1432,6 +1432,7 @@ struct UbloxGnss {
     measurementReport @0 :MeasurementReport;
     ephemeris @1 :Ephemeris;
     ionoData @2 :IonoData;
+    hwStatus @3 :HwStatus;
   }
 
   struct MeasurementReport {
@@ -1555,8 +1556,29 @@ struct UbloxGnss {
     healthValid @5 :Bool;
     ionoCoeffsValid @6 :Bool;
   }
-}
 
+  struct HwStatus {
+    noisePerMS @0 :UInt16;
+    agcCnt @1 :UInt16;
+    aStatus @2 :AntennaSupervisorState;
+    aPower @3 :AntennaPowerStatus;
+    jamInd @4 :UInt8;
+
+    enum AntennaSupervisorState {
+      init @0;
+      dontknow @1;
+      ok @2;
+      short @3;
+      open @4;
+    }
+
+    enum AntennaPowerStatus {
+      off @0;
+      on @1;
+      dontknow @2;
+    }
+  }
+}
 
 struct Clocks {
   bootTimeNanos @0 :UInt64;