[amsat-bb] Re: Tranzit-B telemetry system on ISS
Gordon JC Pearce MM3YEQ
gordonjcp at gjcp.net
Tue Mar 17 03:32:09 PDT 2009
On Mon, 2009-03-16 at 23:57 -0600, Nate Duehr wrote:
> Just saying it smelled fishy to me -- assuming an FM receiver. No
> harm meant by it. The typical FCC TSO'ed AM aircraft transmitter is
> 5W PEP, some are 10W PEP. 5W PEP AM to an FM receiver to be well
> detected at ISS's range is certainly do-able, but it wouldn't sound
> very good, I'd think. Don't know. All depends on the receiver
> quality, of course... a bunch of stuff.
Further to my earlier message, a quick experiment has shown that my
Kenwood TH-F7E (same one I picked the Edinburgh guys up with) gives
intelligible but not brilliant audio from aircraft when it's set to FM.
This may be down to the radio. I can post a couple of recordings, if
More information about the AMSAT-BB