Ok, I knew about that feature. I thought maybe there was some way it was sending it in KISS. I really discourage people from using the 'converse' mode.
Scott Steven Wallace wrote: > > > I found the following description from: > > http://www.tapr.org/pipermail/aprssig/2005-December/011377.html > <http://www.tapr.org/pipermail/aprssig/2005-December/011377.html> > > The Kenwood TH-D7 and D700 are operated in the "PACKET" (not "APRS") > mode when used with an external computer attached. In this mode, the > internal firmware will echo data received at the dedicated GPS port out > the main data port along with received packets. This echoing > operation can even convert baud rates -- GPS data arriving at the > radio's GPS port at the NMEA-standard 4800 baud can come out the main > port at 9600 baud. > > The program running on the attached computer needs to know how to > separate received off-air data from GPS data. Most current APRS > applications do this automatically when you select the same COM port > number for the TNC and GPS. > > > However, there is one significant limitation in this mode. GPS > receivers output several different "sentences" (strings of data) which > contain various combinations of lat/long, time, heading and speed and > altitude information. These sentences are normally repeated,with > updated data, once every second. The key fact is that the Kenwood GPS > passthrough function can echo ONLY ONE of these sentences at a time. > The most commonly used GPS data sentences, and the data they contain, are: > > > === GPGLL (LAT, LONG, Time) > > === GPRMC (Time, LAT, LONG, SPEED, MagVar) > > === GPGGA (Time, LAT, LONG, GPS Valid, Number of Sats Used, Hdop, > ALTITUDE) > > === GPGSV (Satellite Status) > > === GPZDA (Time, Date) > > ==== GPVTG (Compass Heading, Ground Course Velocity) > > > > Assuming the GPS device actually outputs GPRMC, GPGLL, and GPGGA (in > some GPS units each sentence has to be turned on or off in a setup menu) > the results will vary depending on how the D7 or D700 is set. > > > 1) When the US version D7A(G) or any D700 is used in *standalone* > 'APRS" mode, the transmitted beacons (always sent in the > highly-compressed Mic-E format) will contain altitude IF the GPS outputs > the GPGGA string. The Euro versions of the THD7 don't encode > altitude, even if altitude IS present in the GPS data stream. Note that > you can shorten the Mic-E burst (useful for posit-after-voice operation) > by turning off the GGA string in the GPS device, so the comment field > doesn't get filled with altitude data. > > > 2) When the D7/D700 are used in "PACKET" mode with an external > program, the internal firmware echos ONE (and only one) selected string > of your choice received at the Kenwood GPS input out the main serial > port connected to the PC. The command " GPSTEXT " sent to the D7/D700 > internal TNC determines which one GPS string is captured and forwarded > to the PC. You can see and/or alter this command in the TNC > initialization file THD7.CMD or D700.CMD) in UI-View. > > If you initialize with " GPSTEXT $GPGGA ", the APRS program on the PC > will be able to "see" (and therefore transmit) LAT, LONG, TIME and > ALTITUDE but not speed and heading. > > If you initialize with " GPSTEXT $GPRMC ", the APRS program on the PC > will be able to see LAT, LONG, TIME and SPEED. but not altitude. > > If you initialize with " GPSTEXT $GPGLL " the APRS program on the PC > will be able to see LAT, LONG, and TIME only with no altitude or speed > information. > > > 3) If you connect the GPS device directly to the PC through a second > serial port (i.e. not using the Kenwood pass-through feature) --AND-- > your PC-based APRS software knows how to parse and extract data from > multiple GPS sentences simultaneously and then format this data into > APRS format (UIview does this), then you can transmit LAT, LONG, SPEED, > and ALTITUDE at the same time. > > > On Feb 21, 2010, at 11:45 PM, Scott Miller wrote: > >> How does the D700 report GPS coordinates in KISS mode? >> >> Scott >> >> Steven Wallace wrote: >>> >>> >>> Hi Scott, >>> >>> >>> I'm using FC-301 with Xastir. It would be very very cool if the 301 >>> reported GPS coordinates within KISS (like the D700) or, perhaps more >>> simply, if the KISS interface reported packets originated by the 301. >>> >>> thanks for considering this! >>> >>> Steven Wallace >>> Bloomington, IN >>> >>> >>> >>> >> >> >> >> ------------------------------------ >> >> Yahoo! Groups Links >> >> >> (Yahoo! ID required) >> >> [email protected] >> <mailto:[email protected]> >> >> > ------------------------------------ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/tracker2/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/tracker2/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
