[aprssig] Recommended Message Packet Length (PacLen) through satellites?

Alan wa4sca at gmail.com
Mon Sep 1 18:38:56 CDT 2014


All true of course.  I was wondering if there were any quantitative recommendations.

73s,

Alan
WA4SCA


<-----Original Message-----
<From: aprssig-bounces at tapr.org [mailto:aprssig-bounces at tapr.org] On Behalf Of Steve
<Sent: Monday, September 01, 2014 5:19 PM
<To: 'TAPR APRS Mailing List'
<Subject: Re: [aprssig] Recommended Message Packet Length (PacLen) through satellites?
<
<As Lynn says the shorter the better. Use compressed for the location part.
<A lot of people are trying to use the same channel at the same time, when a
<pass happens. So shorter packets give everyone a better chance.
<
<If you see someone trying to use the Mailbox you may just as well give up.
<Generally the entire pass is taken up with connect retries, it being
<connected mode rather then unconnected.
<
<Steve G6UIM
<
<-----Original Message-----
<From: aprssig-bounces at tapr.org [mailto:aprssig-bounces at tapr.org] On Behalf
<Of Lynn W. Deffenbaugh (Mr)
<Sent: 01 September 2014 20:11
<To: TAPR APRS Mailing List
<Subject: Re: [aprssig] Recommended Message Packet Length (PacLen) through
<satellites?
<
<Shorter is always better when it comes to APRS packets.  And when doing
<APRS satellites, shorter gives you a much better chance to get through.
<"Hi" has a better chance than "Hello" which is still better than
<"Greetings fellow Earthing...".
<
<Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
<
<
<On 9/1/2014 2:59 PM, Alan wrote:
<> I have seen some of Bob's discussions WRT to terrestrial use, and the
<various HTs which many people use.  Is there a different recommend maximum
<Packet Length for communicating via the various packet satellites?  Some
<TNCs and emulators, as well as programs such as UISS, have options for this.
<>
<> 73s,
<>
<> Alan
<> WA4SCA
<>
<>
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