PCSAT2 Special Operations Event Plan
Starting on 4 August, and for the 26 days remaining of
PCSAT2's operation on ISS, PCSAT2 will be configured for
VOICE response to normal packets transmitted via the normal ISS digipeater
145.99 uplink (or PCSAT2's uplink on 145.825 if the ARISS packet system
is not operational).
The command station's voice downlink will be on 437.975 +/- Doppler and
he/she willl attempt to acknowledge by voice all packets seen on the packet
uplink.
The UHF downlink will be weak (only 1 Watt) and being UHF (9dB worse
than 2m), will need at least a small beam to hear it.
Users who want to participate, simply send your packets as normal VIA
ARISS on 145.99 uplink (if available or via
145.825 if not) but listen on the 437.925 downlink for the
combined voice and packets. This will only work when
PCSAT2 is in range of a participating command station and
there is no guarantee that all command stations will be available on any
given pass. In otherwords, this may be rare, but fun.
Right now, passes in the Northern Hemisphere are occuring
before sunrise, so only the last two morning passes may be
so manned for voice. Passes in the Southern Hemisphere
right now are from midday into evening.
Best thing to do is simply monitor 437.975 during ISS passes
and if you hear a command station, then send us a 'hello'
packet via the ISS digipeater.
We need a volunteer command station in South America,
South Africa and some other footprints too if activity is
desired in those areas.
Bob WB4APR
US Naval Academy Satellite Station
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