[aprssig] APRS CSMA Settings

Robert Bruninga bruninga at usna.edu
Tue May 20 15:05:28 CDT 2014


Not at all.  That is connected packet.  The whole reason for APRS was to
get away from that very inefficient way of using packet...

Bob

-----Original Message-----
From: aprssig-bounces at tapr.org [mailto:aprssig-bounces at tapr.org] On Behalf
Of Bob Poortinga
Sent: Tuesday, May 20, 2014 1:15 PM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] APRS CSMA Settings

WB4APR writes:

> This does not apply to APRS at all.  APRS never retries (other than
> simply waiting for the next beacon repeat... 10 minutes for local
> direct packets, and 30 minutes for 2 hop fixed beacons).

I thought that the sending station of an APRS messages retries until it
gets an acknowledgment using an exponential back-off algorithm.

--
Bob Poortinga NG9M
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