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Re: Digital Voice



A question for your idle moments

Ten digital voice in a 20 meter pile up , how many get to make a DX
contact versus the same on SSB?

Joe  K0VTY
============================
On Fri, 10 Jun 2005 22:58:06 -0400 "Eric Christensen"
<kf4otn@ericsatcom.net> writes:
> Well, I haven't tried digital voice in the ham bands...  I'm sitting
> here at Radio NAM working on the big birds and realized that I've
> been doing digital voice and data, both at various speeds, and
> wondered if anyone was doing something similar to this.  
> 
> Doppler shift is easily controllable with software and radio 
> control.
> If you are using your computer for your voice compression then you
> can also have it control the Doppler on your radio.  The HEOs would
> be easier but it would be nice to still have software to control the
> radio to keep your radios set to the same frequency as seen at the
> sat (The One True Rule).
> 
> I'm just thinking about how much stuff we could put into one pass
> band if we used digital versus analog...
> 
> Just thinking out loud...
> 
> Eric KF4OTN
> 
> -----Original Message-----
> From: Walter Holmes [mailto:walterh@k5wh.net] 
> Sent: Friday, June 10, 2005 11:02
> To: 'Eric Christensen, KF4OTN'
> Subject: RE: [amsat-bb] Digital Voice
> 
> Hey Eric,
> 
>  I just installed the Windrm software last weekend, and have been
> trying to find stations on HF, with no luck so far. But I would like
> to understand if you have been using something like that so far. Or
> perhaps a different program. Guess I'm too cheap to try a hardware
> solution. :)
> 
> I haven't considered using it on the birds, because of the extreme
> Doppler shift on the leos. Perhaps when the HEOs get up there that
> might be a lot different.
> 
> Take care,
> Thanks,
> Walter/K5WH
> 
> 
> -----Original Message-----
> From: owner-AMSAT-BB@amsat.org [mailto:owner-AMSAT-BB@amsat.org] On
> Behalf Of Eric Christensen, KF4OTN
> Sent: Friday, June 10, 2005 7:59 AM
> To: amsat-bb@amsat.org
> Subject: [amsat-bb] Digital Voice
> 
> Has anyone tried digital voice on any of the birds, yet?  If so, 
> what
> protocol are you using and what are your results?
> 
> 73s,
> Eric KF4OTN
> t.org
> http://www.ericsatcom.net
> 
> Project OSCAR Member
> AMSAT-NA Member: 35360
> AMSAT Eastern North Carolina Area Coordinator
> ----
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> ----
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