[R-sig-Geo] Import nmea files?

Barry Rowlingson b.rowlingson at lancaster.ac.uk
Fri Jun 21 16:50:49 CEST 2013


On Fri, Jun 21, 2013 at 2:02 PM, Agustin Lobo <alobolistas at gmail.com> wrote:
> I have nmea files with decimal seconds:
> $GPRMC,100406.7,A,4132.98525,N,00039.14528,E,000.05,196.5,140613,000.2,W,D*2C
> $GPGGA,100406.7,4132.98525,N,00039.14528,E,2,18,0.6,211.6,M,52.2,M,,*52
> $GPVTG,196.5,T,196.8,M,000.05,N,0000.10,K,D*1F
>
> I use the following to convert to gpx:
> gpsbabel -i nmea -f 2013-06-14_120409_Lleida.txt -o gpx -F
> 2013-06-14_120409_LleidaNMEA.gpx
> and the use readOGR() to import the gpx,
> but the times in the gpx are rounded to nearest integer.

 The times in the gpx file? I get the following if I convert those
three lines using gpsbabel (1.3.6)

<trkpt lat="41.549754167" lon="0.652421333">
  <time>2013-06-14T10:04:06.699Z</time>
  <course>196.500000</course>
  <speed>0.025722</speed>
</trkpt>

which is a very non-integer time.



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