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[aprssig] Re: GPS/PC/D7A

John Vause jdv at iglou.com
Fri Feb 23 14:03:25 UTC 2007


A split cable may be the best way to go about this.

I hooked the D7a w/GPS up to my laptop and ran HyperTerminal.
With the D7a in packet mode I could see packets from the local APRS
network but no GPS sentences.
With the D7a in APRS mode I could not see any data from the D7 at all
in Hyperterminal.

In UI-View there is a file of initialization cmds that get sent to the 
D7a when it is run as a TNC. One of these is: "GPSTEXT $GPRMC".



Alex Carver wrote:
> Hi Jason,
> 
> Just split the serial cable between the computer and
> the D7.  I do this very thing with my setup.  I have
> Street Atlas 2007 on my iPAQ and built a Y-cable to go
> between the single GPS receiver and the D7/D700 plus
> handheld.  Street Atlas doesn't need to communicate
> back to the GPS receiver so just leave that signal
> line disconnected between them.  Two signals (transmit
> and receive) between the radio and the GPS receiver
> and one signal from the GPS receiver to the computer.
> 
>> Message: 5
>> Date: Tue, 20 Feb 2007 17:48:07 -0500
>> From: "Jason D. Triolo" <jasonacg at citicom.com>
>> Subject: [aprssig] GPS/PC/D7A
>> To: TAPR APRS Mailing List <aprssig at lists.tapr.org>
>> Message-ID: <45DB7AA7.50307 at citicom.com>
>> Content-Type: text/plain; charset=ISO-8859-1;
>> format=flowed
>>
>> I will be out of town next month, and will be
>> running my D7A as my 
>> primary unit, along with GPS. I also have my
>> notebook computer running 
>> Street Atlas 2007.
>>
>> When I'm home, I have no problem running both,
>> thanks to the dual serial 
>> outputs on the GPS receiver. However, when I rent a
>> car, my portable 
>> unit limits me to one.
>>
>> So my question is...Has anybody had success in
>> making the GPS data pass 
>> through the D7 while it's in APRS mode? I don't have
>> APRS+SA or other 
>> similar software for the notebook (yet), so for now,
>> I have to hope 
>> there's a trick that makes it possible to leave the
>> HT in APRS mode for 
>> beaconing, and pass GPS data to Street Atlas for
>> navigation.
> 
> 
> 
>  
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