[GreenKeys] Fwd: The Flying White House 1947

Steve Schlink sschlink at mindspring.com
Wed Feb 15 09:38:38 EST 2012


I wonder whether the NSA Crypto museum has one on display.

Steve

At 09:14 AM 2/15/2012 -0500, Nick England wrote:
>Very interesting photo. The upper ART-13 has a fan, not a speaker. There 
>is an on-off switch and a label that says turn on fan for RTTY
>
>Nick
>
>
>On Feb 15, 2012, at 12:24 AM, DR HOUSE <k9tty at dls.net> wrote:
>
> > Thanks to Robert Downs for this information...
> >
> > This is like "Now You See It..." that used to be in the comic section
> > of most newspapers.  Look at two photos and write down the differences.
> >
> > In the upper center of the front panel of the upper transmitter is the
> > O-17/ART-13A LF Oscillator.  In the same position on the lower one is
> > what looks like the grill or cover for a loudspeaker.  On the right
> > end of the upper transmitter is a nameplate and nothing else except
> > for panels and screws.  On the right end of the lower transmitter is a
> > shallow box with a UHF connector on it and a bar or channel running
> > from it forward and up slightly.  Attached to the connector is a right
> > angle coax adaptor to which is attached a cable.  I have no specific
> > guess as to what might be inside the box or what besides a loudspeaker
> > might be behind the center panel in place of the MX-128 that's
> > normally there in place of the O-16 or O-17.  But I would guess that
> > it all amounts to an FSK modification.  As the T-47 and T-47A don't
> > come with FSK capability..



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