[Speex-dev] Digital speech within 100 Hz bandwidth

[Ashhar Farhan]

off topic ... this is vu2ese....
- farhan

On 8/23/08, Ken Linder (KC7RAD) <kc7rad at radstream.com> wrote:
> HA!  Just when I was getting ready to drop myself from this list, along
> comes a ham radio question!
>
> Shoving digital voice down a 100 Hz pipe would be mighty darned
> tough/impossible.  N0YMV has a good suggestion.  Try those WSJT modes.  They
> use narrow bandwidth and are fun to play with.  There are documented
> instances where moon-bounce QSOs have been completed with these modes.  No,
> it's not voice, but it does work.  Oh, JT65 mode in WSJT is designed
> specifically for EME communication.
>
> I used the HSCW (high speed CW) for meteor scatter & had a lot of fun with
> it.
>
> Best of luck in your EME endeavor.  Oh, what is your call???
>
> 73s
> Ken - KC7RAD
>
> I have used .
> ----- Original Message -----
> From: "David Willmore" <davidwillmore at gmail.com>
> To: <mike-lebo at ieee.org>
> Cc: <speex-dev at xiph.org>
> Sent: Friday, August 22, 2008 8:45 AM
> Subject: Re: [Speex-dev] Digital speech within 100 Hz bandwidth
>
>
>>> Could you please forward this e-mail to your  engineering department. I
>>> am a
>>> ham radio person who wants to transmit from the Earth to the moon and
>>> back
>>> to the Earth by phone not by Morris code. This will be a very weak
>>> signal. I
>>> need an extra 13.8 dB of gain. Could you please help me distribute the
>>> attached paper to someone who could take this project into the next
>>> level?
>>
>> Mike,
>>
>> If you don't like Morse, how about K1JT's WSJT suite of modes?  They were
>> designed by Joe Taylor--who is an EME'er and very competent ham.  They
>> are all keyboard-to-keyboard modes, so you can cut out the whole voice
>> side of things.  No point in involving analog modes when you can keep it
>> all digital.
>>
>> Best of luck.
>>
>> Cheers,
>> David n0ymv
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>>
>
>
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