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[aprssig] PIC processor for APRS info for D-STAR mobiles?

Robert Bruninga bruninga at usna.edu
Wed Jul 30 16:35:30 UTC 2008


* Jeff, KB2M has connected his D710 APRS display head 
* to his 2820 ICOM DSTAR radio just by plugging it into 
* the external DIN audio jack.   Its plug-n-play!

See his photo about 25% down my web page:
http://www.aprs.org/DSTARdisplay.html

Issues he is still working is how to get the 2820 configured to
transmit the RC-D710 TX audio and he still has to split his GPS
data to both the RC-D710 and 2820 at the same time.

But for $199, using the RC-D710 detachable Display Head is a
great way to get any radio onto APRS and give the mobile
operator a full view into  the surrounding APRS situational
awareness.  If anyone else is working these details, let us
know.

Bob, WB4APR

> -----Original Message-----
> Sent: Tuesday, July 22, 2008 3:26 PM
> Subject: Re: [aprssig] PIC processor for APRS info for D-STAR
mobiles?
> 
>>> Correction to... displays on D-STAR radios...
>>>
>>> ID-800 and IC91-AD will display lat/long when they 
>>> hear GPS messages (not GPS-A)....
>>>
>>> IC-2820 and IC-92A will additionally display the 
>>> distance and bearing of the received position...
> 
> Twisting two threads together... the Full APRS display
> capability can be added to a DSTAR radio by just 
> connecting the RC-D710 Display Head to the Speaker 
> and Mic audio of the analog side of the DSTAR radio 
> and tuning it to 144.39.  A $199 solution that gives 
> the DSTAR radio all the capabilties of the D710 
> (except for the tune button and auto-freq-in-status TX).
> 
> If regulated 10 volts was available from the radio, 
> then the $87 external regulator/cable kit could be 
> avoided.  Has anyone done this?  Photos?  
> 
> I think others had mentioned something like this, 
> but not until today had I realized the RC-D710 display 
> head had dropped to under $200. (though as Phil points 
> out, the 10v regulator and matching cables can add 
> another $87, though it is only an 8 pin RJ45 (I think)...
> 
> Bob, WB4APR





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