[aprssig] APRStt software?
bruninga at usna.edu
Wed May 20 16:39:47 CDT 2009
>>> If I remember the APRStt spec correctly,
>>> it actually requires a DB of callsign
>>> shortcuts that might be quite a challenge...
>> That was abandoned in this new rendition of APRStt.
>> In this version, users always send their full callsign
>> first (with overlay character). After that, they can
>> use only their 3 digit suffix (plus overlay character)
> Anytime someone can use a full callsign and follow
> it up with a 3 digit suffix, the APRStt server
> needs to be remembering the original to match
> against for the shortcuts. That's the part that
> I was indicating a DB (or lookup table or some-such)
> would be necessary and possibly a challenge for
You need to remember that APRStt is only a first tier input system so only those that hit it direct need to be remembered. My guess would be on the order of a 20 deep buffer, holding about 12 bytes each for a total of 240 bytes or so.
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