> I presume the reason for UHF downlink rather than
> 145 MHz, with it's lower Doppler shift, is due to
> other mission constraints ?
Yes, avoid QRM to the 145.825 APRS transponder.
> BTW is the uplink in the amateur satellite segment
> of 10m (29.3-29.5) or down at the bottom of the band ?
Bott
--- On Sun, 30/9/12, Robert Bruninga wrote:
> With an FM downlink, anyone can receive it with an HT and a
> laptop with PSK-31 software. And anyone with a 10m PSK-31 uplink
> can transmit to it.
> The SSB uplink and UHF downlink transponder fits on a
> smaller than 3"x3" circuit board
Sounds gr
At 05:49 AM 10/1/2012, Robert Bruninga wrote:
The ideal AMSAT FM transponder for a cubesat is the PSK-31 transponder
being developed for the Naval Academy PSAT mission.
With an FM downlink, anyone can receive it with an HT and a laptop with
PSK-31 software. And anyone with a 10m PSK-31 uplink c
Hey Bob,
This might also be a great project for balloon launches as well, to be able
to test all the ground station setups.
Any idea if these transponders will be made available to others after this
project is completed ?
It appears that the Small Wonder Labs' PSK device is no longer available,
