[Xastir] APRS in Southern California

[Tom, ve7did]

Thanks Curt:  That is a possibility, but one would think that there 
would be at least one or two hits in a 2 week period.  My deviation was 
normal (3.0khz).

Oh well. probably won't be down there for another couple of years...

Propagation Knows No Boundaries
73 de Tom,  ve7did



Curt, WE7U wrote:
> On Fri, 9 Oct 2009, Tom, ve7did wrote:
>
>> I was recently in the Murietta/Temecula areas and was not able to get 
>> any data out  to the APRS system.
>
>> I did talk to one of the operators down there and he says nothing is 
>> different from the other parts of the country, but there must be 
>> something different.   As soon as I left the area to return, 
>> everything started tracking again.  Nothing was done to my equipment.
>
> Perhaps they're running with no FM pre-emphasis there, as in
> D700/D710 digi's, while you're using the MIC/SPKR connections to an
> FM rig (the most common setup for APRS on 1200 baud) and therefore
> using pre-emphasis?  Pre-emphasis differences, too much twist, or
> too much/little deviation are about all I can think of.
>
> If the stations you saw down there were all running D7/D700/D710's,
> the pre-emphasis idea might fit.
>