[ao16aprs] Re: [amsat-bb] APRS TRAKNET Constellation

[kb2wqm@juno.com]

Talked to PacComm about how to resolve the multiple callsign problem on
the ground. Only two things can be done.

1. transmit three times with the id of each satellite.

2. Use of wild cards in the field, for example....
unproto fm29pe via *sat*,wide,wide

Both of these will require a firmware change. If any changes to the
satellite callsign aren't possible,  number 2 above wouldn't work.  
Anyway Making the callsigns the same  might cause interference
problems(if two  or more are within range, I haven't really checked how
much this would happen) and it might not be legal anyway. So maybe a
combination of wild cards and sat callsign change? Can the sats be
programmed to accept wild cards? Or do they now ?  So maybe special
firmware to TX all three id's is the only alternative. I still like my
Palm Pilot, that and a simple terminal program. I have it with me anyway
to track the satellites.

73 Jeff kb2wqm 

<tim_cunningham@mindspring.com> writes:
> 
> After thinking about this some more, the alias of RELAY or
> WIDE would best fit the needs of someone who is using
> a TNC-2 with the Manchester modification.  This would
> eliminate the need to reprogram your TNC when switching
> between normal AFSK for the terrestrial APRS RF network
> and the PACSAT TrakNet mode when switching the output
> to Manchester encoding.
> 
> Otherwise, most of use would be locked into using our
> modified TNC's for one or the other unless we lug a laptop
> around with us.  :-(
> 
> 
> 
> Tim - N8DEU
> Huntsville, Alabama
>
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