[aprssig] D700 and NMEA waypoints

Brad [VE3BSM] lists.nospam at bpsmicro.com
Sat Dec 31 13:39:12 CST 2005

Sorry Andy, I got a bit tied up and didn't play with this until today.
I have my D700 set to the APRS freq, in TNC PKT mode and WinPack running on
the PC so I can see everything coming in. The D700's APRS settings are set
for NMEA in & out (so in APRS mode it sends the waypoints), and my eMap is
plugged into the GPS port and has a sat lock. I first tested in TNC APRS
mode and made sure it all worked, then switched to TNC PKT mode.
By default, GPS sentences aren't forwarded out the data port, but if you
issue the command "LTMON <n>" to the D700 then it will forward a position
statement (in a rather proprietary format) every <n> seconds.
Unfortunately, received beacons are *not* sent back to the GPS in PKT mode.

From: aprssig-bounces at lists.tapr.org [mailto:aprssig-bounces at lists.tapr.org]
On Behalf Of Andrew Rich
Sent: Thursday, December 29, 2005 6:07 PM
To: TAPR List
Subject: [aprssig] D700 and NMEA waypoints

Wanting to use the D700's ability to send waypoints as stations are decoded
to a street level capable software package.
Does the D700 only spit out NMEA waypoint strings in "TNC APRS" mode ?
Does the D700 have to have a valid NMEA input string before it will talk
"back" at a GPS ?
Is there a way to get to just act as a decoder sending waypoints as they
come in ?
Cheers Andy 

Andrew Rich - VK4TEC
 <mailto:vk4tec at tech-software.net> vk4tec at tech-software.net

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