[amsat-bb] PCsat still going strong.

["Robert Bruninga" <bruninga@xxxxxxxx>]

> I have been seeing PCSAT-11 packets on my 144.39 
>APRS iGate that coincide nicely with the predicted passes. 
>And, this is on  a standard isopole at about 10 feel AGL!!
>
>Does PCSAT receive on 145.825 and transmit on 144.39? 
>(And explain why I see it on 144.39).

No.  PCsat has two identical digipeaters.  The A side is up/down
on the Satellite digipeater frequency of 145.825.  The B side
has a downlink on 144.39 but an unpublished uplink freq
for special applications.  Other than a few arctic experiments
and few wilderness travelers, no one is using the B side.

But it the B side does send down an occasional Telemetry 
packet and somewhere in the USA amongst all the
bedlam on 144.39, there is at least one Igate that hears it.
That is how we can see PCsat's telemetry live on the WEB:

http://pcsat.aprs.org 

The B side uses the callsign of PCSAT-11. where as the 
A side (the user side) uses PCSAT-1 (or W3ADO-1 if
it has lost its settings)...

de Wb4APR, Bob


73s,

Jon

On Mon, 8 Nov 2004, Robert Bruninga wrote:

> PCsat is still fully operational on Daytime passes and
> has been since 16 October.
> 
> She is now just about back to maximum eclipse season 
> with 33 minute eclipses every 100 minutes, but still working fine.
> 
> As long as we remember to send her a keep-alive command
> at least once every 72 hours, we think she will remain
> healthy.   So enjoy PCsat, but DO NOT OPERATE IN THE
> DARK.  That will kill her batteries and probably cause
> a reset back to OFF for several months...
> 
> PCsat is just a normal APRS digipeater but on 145.825
> and with an altitude of over 485 miles high... She responds
> to RELAY, WIDE and ARISS.
> 
> US Naval Academy PCsat Command station
> de WB4APR, Bob
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