Andreas Putzo wrote:
On Dec 13 21:59, Andrew McMillan wrote:
GPSDrive is not displaying any altitude reading from my GPS (a Garmin
60CSx). If I telnet to the gpsd port on my local machine I definitely
do see my altitude coming through on the various data streams available.
Does the GPS Status bar in the bottom right corner sometimes displays a 3D Fix
which is needed to determine the altitude? The problem might be that
gpsdrive switches to n/a in the altitude widget as soon as your gps
device loses its 3D fix. If this happens frequently it might look as if
there were no altitude information altogether.
It would be helpful if you could provide a sample of collected nmea
data for example by starting gpsd with -D2 or by reading nmea sentences
directly from the device.
Some GPSes send sentences containing 2D and 3D information every second.
If your GPS sends a 2D sentence last, that could be what you are seeing most of
the time.
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