Order Tray | Contact Us | Home | SIG Lists

[aprssig] APRS on UHF?

Scott Miller scott at opentrac.org
Wed Nov 26 21:28:01 UTC 2008


None that I know of.  The OT1+ in the RTrak has the 1pps line connected, 
and would take only a line or two of code to sync the internal clock to 
the 1pps signal, but I haven't tested that yet.

Scott
N1VG

Patrick wrote:
> What trackers currently support this?
> 
> p
> 
> On Wed, 26 Nov 2008 11:30:29 -0800, Scott Miller wrote
>> And aside from that, for slotted ALOHA it's the 1pps output you need. 
>> The idea is that since you probably can't hear the other users of the 
>> channel anyway, it's better to step on one discrete time slot and cause 
>> only a single collision rather than clobbering multiple packets.
>> 
>> I think there are better ways to do channel access control, but slotted 
>> ALOHA doesn't require any real coordination.
>> 
>> Scott
>> N1VG
>> 
> 
> _______________________________________________
> aprssig mailing list
> aprssig at tapr.org
> https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig
> 
> 




More information about the aprssig mailing list