Yes, I am intimately familiar with
the APRS message packet format.? The question was if anyone
recalls what IGate software had a buggy version that was
replacing the open curly brace with a null character.
But for continuing education "{01}"
IS a valid message sequence id when considering Reply-Acks
documented at:
which is part of the 1.1 Addendum
Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and
Win32
On 8/19/2024 8:59 PM, Brent WG0A wrote:
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Lynn,
I don't think any of those are in a valid APRS message form.
Someone chime in if I'm mistaken.
?
The format of the sequence number should be
{XXXXX
?
An open curly bracket followed by 1-5 alphanumeric
characters.?
?
The closing curly bracket would appear to be incorrect. So it
may be a matter of implementation differences that cause some
gateways to accept those messages and some to reject them.
?
Here's a reference
?
-Brent WG0A
