[aprssig] Auto-response position reports

David Aronovitz k1lpi at yahoo.com
Mon Mar 20 14:46:59 CDT 2017


Thanks for the info on the SMS system. This would be useful for my friends and family when I am out of cell phone range or find myself in an APRS blind spot if I have cell service. However, for SAR in a remote area with no cell service it will not work. Also, the SMS messages must be manually initiated and we will need an automatic system to query the APRS mobiles sequentially or as needed. The "latency" in the SMS cellular network would also be a possible problem.

K1LPI

Sent from my iPad

On Mar 20, 2017, at 11:57 AM, Bill Vodall <wa7nwp at gmail.com> wrote:

>> Is there a way to interrogate an APRS radio to send it's position in
>> response to a message or "ping" from a another station? In effect, a
>> "transponder" mode. I was thinking a message followed by an automatic reply
>> message might work but I don't see how to include the surrent position in
>> the reply message.
> 
> Look at the various responder options configured by the SMSGTE system,
> That's on the final section of this page:
> 
> http://smsgte.wixsite.com/smsgte/userguide
> 
> SMSGTE itself my be useful for you.
> 
> There's also working to fix the APRS system so less packets are lost..
> 
> 73
> Bill, WA7NWP



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