[Milsurplus] Blinker Key/IR TX/RX

[J. Forster]

The US/C-3 is the snooperscope I was describing.

Thanks,

-John

==================



> Hello,
>
> The WW2 IR transmitting systems I have tracked down so far are  US/X-3
> and US/X-9.  Later, possibly up to this day, is AN/SAT-2.  Receivers are
> WW2; US/AM, and US/C-3 (and more) and later AN/SAR-4 and SAR-6 and more.
>  NORTH CAROLINA has an X-3 system installed.  There is a different blinker
> key used out on the signal bridge in the weather, but the one in
> discussion was probably used in protected areas of the ship.  The blinker
> key also has a big capacitor, probably to protect the contacts from
> inductive kick by relay, as it has been pointed out that the contacts
> couldn't handle much current.
>
> US/AM is phosphor excited by radiation(makes any radio gear with radium
> paint look very cold by comparison).  US/C-3 uses 1P25 image tube as also
> used in sniperscope/snooperscope.  SAR-4 and SAR-6 use 6032 image tube as
> also used in 20,000V sniperscope.
>
> 1p25 image tube documented a bit as patent #2,506,018   Google Patents is
> a beautiful thing.
>
> More documentation on my site http://www.navy-radio.com/flory/id24.html
> follow links to tech. info for restoration,  and basic research leading to
> 1p25 and US/C-3.
>
> RF
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