[amsat-bb] Re: AO-16 report

John W Lee k6yk at juno.com
Fri Jan 25 10:25:38 PST 2008

Also if you have an SSB receiver with DSP or automatic notch
filter, you can eliminate the carrier completely. 

John K6YK

On Thu, 24 Jan 2008 13:43:26 -0500 "Andrew Glasbrenner"
<glasbrenner at mindspring.com> writes:
> Hi Ray,
> Thanks for the report, and I hope you don't mind that I have 
> included part of it in this email to -bb in response to a few 
> comments I've seen. As Ray and others have noticed, there is indeed 
> some carrier on the downlink. It isn't what we might have designed 
> for a voice system, but given how this came about, it's tolerable.
> 73, Drew KO4MA
> ----- Original Message ----- 
>   From: RaySoifer at cs.com 
>   The uplink is very sensitive indeed, and the downlink is as 
> expected given the power level.  I would add, though, that in 
> addition to the DSB audio, there is a carrier output which helps to 
> tune in the downlink signal.  It's not really DSBSC (suppressed 
> carrier) but more like DSBRC (reduced carrier, relative to what it 
> would be on AM).
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