[GreenKeys] Anyone need a loaner 28-TD (100-wpm to rs232)?

Lester.veenstra K1YCM lester.veenstra at intelsatgeneral.com
Wed Feb 16 06:37:55 EST 2005


Sounds like just the thing !
What was the mod to get rs-232 out of the lowlevel box?

gil smith wrote:

> Hi Lester:
>
> I have a standalone 28TD I could loan to you for a while.  It is 
> small; maybe 20 pounds.  It was a tempest unit with low-voltage 
> contacts, so could not be used on a standard high-volt loop.
>
> I modified it to send rs232 directly.  It just has two pigtail 
> connectors:  one for an ac power cord and one DB9F for connection to a 
> PC via a straight cable.  The TD rums at 100-wpm, so tape reads are a 
> bit faster than you would get on a model 14 at 60-wpm.
>
> http://www.baudot.net/tty/pics/M28-TD-Gil-Front-Left-400w.jpg
>
> The TD will simply connect to your PC, and you will run Bill 
> Bytheway's RTTYArt program to archive tapes to disk files.  Then send 
> a copy of the files to Bill or George, for uploading to the tape 
> collection on rtty.com.
>
> I'll pay shipping to you, if you pay shipping back.
>
> Even better idea:  if other folks wish to borrow it for a bit, we 
> could send it on a circular route.  Anyone else with tapes to read, 
> but no operational reader?
>
> gil
>
>
> At 01:17 PM 2/14/2005, you wrote:
>
>> I am off on a one week trip. On return I will see what is best way to do
>> the computer capture.  Safest way may be a standalone mod 28 TD. Not
>> sure I want to trust these to the 14 TD, and getting the 28ASR or the
>> 32ASR out and running may be more effort than I wan at this point in
>> time. But an 28TD would be easy to make look enough like rs-232 to get
>> into the windoz machine. I assume software to do that is around.  Or
>> just generate AFSK directly and record that.    Lets see what looks
>> good.
>>
>> Any standalone 28TDs available on loan in the Frederick-Bethesda Rt 270
>> corridor?
>>
>> Lester Veenstra
>> Senior Engineering Program Manager
>> Intelsat General
>> 6550 Rock Springs Drive, Suite 450
>> Bethesda Maryland, 20817
>> +1-301-571-1212
>> e-mail: lester.veenstra at intelsatgeneral.com
>
>
>
>
>
> Vaux Electronics, Inc.
> 480-354-5556
> (fax: 480-354-5558)
> www.vauxelectronics.com
>
>
>
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> GreenKeys at mailman.qth.net
> http://mailman.qth.net/mailman/listinfo/greenkeys
>
>

-- 
Lester Veenstra
Senior Engineering Program Manager
Intelsat General
6550 Rock Springs Drive, Suite 450
Bethesda Maryland, 20817
+1-301-571-1212
e-mail: lester.veenstra at intelsatgeneral.com



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