From dfb3e24b4ce759ccdad2e0d0597e3fe5d3f1389f Mon Sep 17 00:00:00 2001
From: "Gary E. Miller" <gem@rellim.com>
Date: Fri, 1 Dec 2017 16:33:32 -0800
Subject: [PATCH] gegps: Not all TPV has heading.

Heading can be missing on gpsd startup.
---
 gegps | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/gegps b/gegps
index 28798ce2..ae4956ac 100755
--- a/gegps
+++ b/gegps
@@ -58,7 +58,11 @@ def kmlize(tpv):
     else:
         speed = 0
 
-    heading = int(round(tpv['track'], 0))
+    # not all TPV includes heading, like when acquiring fix
+    if speed >= 1 and 'track' in tpv:
+        heading = int(round(tpv['track'], 0))
+    else:
+        heading = 0
 
     # not all TPV includes altitude
     # like ublox8 in fixed position (time) mode
@@ -67,9 +71,6 @@ def kmlize(tpv):
     else:
         altitude = 0
 
-    if speed < 1:
-        heading = 0
-
     return """<?xml version="1.0" encoding="UTF-8"?>
 <kml xmlns="http://earth.google.com/kml/2.0">
 <Placemark>