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[aprssig] AutoResponders talking to AutoResponders

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Sun Oct 16 03:26:13 UTC 2011

Yep, a classic demonstration of what I was describing:

WinMain:2011-10-16T02:48:53.558 KO6TH-7>ISS l{I
WinMain:2011-10-16T02:48:53.561 ISS>KO6TH-7(Kenwood D7) Az:65 El:12 
WinMain:2011-10-16T02:48:58.538 KO6TH-7>ISS Message received
WinMain:2011-10-16T02:48:58.539 ISS>KO6TH-7(Kenwood D7) Az:65 El:12 

At least you've got a good IGate in range of your D7!

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 10/15/2011 11:22 PM, Greg Dolkas wrote:
> I guess that explains why I got two position reports for the ISS just 
> now...
> Auto Reply is now *off*.  :-)
> Greg  KO6TH
> On Sat, Oct 15, 2011 at 4:22 PM, Lynn W. Deffenbaugh (Mr) 
> <ldeffenb at homeside.to <mailto:ldeffenb at homeside.to>> wrote:
>     To all APRS users:
>     If you're going to send a message to an Auto-Responder service
>     like CQSRVR, ANSRVR, EMAIL, EMAIL-2, WHO-IS, or the new satellite
>     pass prediction server, please, please PLEASE make sure you turn
>     off your auto-answer!  Unless you have an intelligent auto-answer
>     (like APRSISCE/32) that operates on a time delay and operator
>     activity detector, what ends up happening is the response from the
>     query triggers an auto-answer from your radio or software which
>     triggers another (most of the time error) response response from
>     the original service.  What should have been a 1+1 round-trip
>     message, becomes a 1+1+1+1 with all of the attendant acks as well.
>     This has been a common courtesy request from:
>     Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
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>     aprssig at tapr.org <mailto:aprssig at tapr.org>
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