[aprssig] RE: [digiowners] Freq Info for GPS Trackers
Robert Bruninga
bruninga at usna.edu
Mon Nov 19 11:34:10 EST 2007
> What is the... recommendation for a NMEA tracker
> to be compliant with the APRS Freq Spec?... so
> the mobile announces its frequency?
Good question for a NMEA tracker. Answer is to set your beacon
text to be:
BT >146.520MHz blah blah...
Or however you set up the beacont text in your device. The ">"
makes it a STATUS text, but for NMEA trackers, this should get
copied and saved. This makes it visible to anyone that looks at
your station, and hopefully the kenwood will decode it and make
it part of the entry in the station list and be able to
auto-tune to it.. Bob, WB4APR
> Looking at Bob's AFRS web page
> http://www.ew.usna.edu/~bruninga/aprs/freqspec.txt,
> I've come up with a text string...
>
>
;146.520mh*111111zuuuu.uuN/uuuuu.uuWpN2MH/Muuuu52uSimplexEnroute
NC
This will not work because:
1) Packet will be ignored due to "u"'s for lat/long
2) As an object format, and has no relation to your mobile
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