[GreenKeys] AN/SGC-1A ?

[w8au at sssnet.com]

At 10:24 AM 2/11/2009, eugene at hertzmail.com wrote:
>Anyone ever play with one of these? Looks like a neat item. Reading 
>a description of it here:
><http://www.armyradio.com/arsc/customer/product.php?productid=1652&cat=71&page=1>http://www.armyradio.com/arsc/customer/product.php?productid=1652&cat=71&page=1
>
>Whats with 500 and 700 Hz tones? 200Hz shift? Where/when was that used?
>Sure is a good looking item!

This is a Navy item.  Used AFSK to modulate mainly VHF and UHF AM radios
aboard ship  (TED/RED, etc).  It was Autostart, plus had a form of
"break in" xmtr actuation, when typing on the keyboard or breaking the
xmit loop.

Vintage: post WW2, up into sixties.   A real boatanchor!

Perry  w8au 
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