[Xastir] Xastir 1.5 and ESR's gpsd daemon - longitude bad

Gerry Creager N5JXS gerry.creager at tamu.edu
Sun May 15 15:22:31 EDT 2005


I'll drop ESR a note.  He should be reporting it as 08803.0378

The "high precision" part of this is dependent on the gps receiver.  If 
it thinks it should send 4 digits of precision it will; if it doesn't, 
it usually stops at 3.  Some stop at 2.  I don't recall the NMEA spec.

gerry

Richard E. Polivka wrote:
> gpsd 2.23 (in SI-RF binary mode)
> MS GPS Locator (SI-RF unit)
> xastir 1.5 - interface gpsd 127.0.0.1:2947
> 
> Have program set up to get GPS data via gpsd. Xastir says data bad when 
> xgps is receiving good data. Lat/long appear to be high precision: 
> 43.019579  -88.050531. This is polled from 127.0.0.1:2947 (gpsd port) by 
> using telnet.
> 
> When running debug at level 1023, the display strings from gpsd appear 
> to be fine. Here is one string:
> 
> $GPGGA,154505,4301.1500,N,8803.0378,W,2,03,8.00,218.0,M,-34.460,M,,*76
> 
> So with this data, the latitude comes out right but the program puts the 
> longitude at -180 deg.
> 
> Any thoughts that I could try out?
> 
> 73,
> 

-- 
Gerry Creager -- gerry.creager at tamu.edu
Texas Mesonet -- AATLT, Texas A&M University	
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