[aprssig] APRS device identifiers (REPLY-ACK)

[Lynn W. Deffenbaugh (Mr)]

If Reply-Ack (http://www.aprs.org/aprs11/replyacks.txt) is all it takes 
to be the "best/handiest" messaging app, then APRSISCE/32 and my 
upcoming Android version would fit in the same category.  But I suspect 
that's not the reason for the originally expressed opinion.

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

On 10/26/2013 2:24 PM, Robert Bruninga wrote:
>> APRS+SA is still the best/handiest client application for
> keyboard-keyboard APRS messaging...
>
> That's because it, like APRSdos, implemented the REPLY-ACK technique which
> was never implemented in many other clients at the time.  The REPLY-ACK
> embeds ACKS in reply messages so that the reliability of message delivery
> and ACK response is vastly improved in two-way QSO's.
>
> Bob, WB4APR
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