From c4d75e440567340c2f250e8f9229212d3f2743cc Mon Sep 17 00:00:00 2001 From: David Newman Date: Mon, 10 Jul 2017 12:10:32 -0700 Subject: [PATCH] Update README.md --- README.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 861e324..72ccf9b 100644 --- a/README.md +++ b/README.md @@ -475,6 +475,8 @@ As of April 2017, only GoPro HERO5 cameras have a GPMF track. HERO4 Black will h | GPS5 | latitude, longitude, altitude, 2D ground speed, and 3D speed | 18 | deg, deg, m, m/s, m/s | HERO5 Black with GPS enabled | | GPSU | UTC time and data from GPS | 1 | n/a | Within the GPS stream | | GPSF | GPS Fix | 1 | n/a | Within the GPS stream: 0 - no lock, 2 or 3 - 2D or 3D Lock | -| GPSP | GPS precision (PDOP) | 1 | n/a | Within the GPS stream, under 300 is good | +| GPSP | GPS Precision - Dilutionof Precision (DOP x100) | 1 | n/a | Within the GPS stream, under 500 is good | | ISOG | Image sensor gain | 24, 25 or 30 (based video frame rate) | n/a | HERO5 v2 or greater firmware | | SHUT | Exposure time | 24, 25 or 30 (based video frame rate) | s | HERO5 v2 or greater firmware | + +For more information of GPSP (or DOP) see https://en.wikipedia.org/wiki/Dilution_of_precision_(navigation)