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Re: Digital Voice



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


Actually Joe, 20 Meter pile ups are the best reason I can think of for 
working 160M and VHF/UHF, & the microwave bands.  ;-)

73,

Woody
KJ4SO
AMSAT # 5562

----- Original Message ----- 
From: <k0vty@juno.com>
To: <kf4otn@ericsatcom.net>; <amsat-bb@amsat.org>
Sent: Friday, June 10, 2005 11:44 PM
Subject: Re: [amsat-bb] 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
>> ----
>> Sent via amsat-bb@amsat.org. Opinions expressed are those of the
>> author.
>> Not an AMSAT member? Join now to support the amateur satellite
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>> To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
>> ----
>> Sent via amsat-bb@amsat.org. Opinions expressed are those of the
>> author.
>> Not an AMSAT member? Join now to support the amateur satellite
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> ----
> Sent via amsat-bb@amsat.org. Opinions expressed are those of the 
> author.
> Not an AMSAT member? Join now to support the amateur satellite 
> program!
> To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org 
----
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