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Author Topic: T-504 Test Set Can You Identify THis Mystery Rig  (Read 9394 times)
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AB3L
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« on: January 18, 2012, 08:11:41 PM »

I have looked around some Mil equipment lists trying to find out what it is and what this might be good for. I have been offered two of them, both not complete. It has a video jack as well as rf in. It is housed in a brute force military enclosure with a screw on cover. The boxes are about 20 inch by 20 inch, maybe the same depth. Anybody have any idea what these are? The old professors bought a lot of mil surplus for their labs. This Doctor died a few years ago so I guess his supply is gradually being sorted thru and tossed.

Thanks,
Bob
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Patrick J. / KD5OEI
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« Reply #1 on: January 19, 2012, 08:31:43 PM »

Pictures?
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AB3L
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« Reply #2 on: January 20, 2012, 08:04:02 AM »

I corrected the model number. Nice boxes for shipping.


* T-504 001.JPG (397.37 KB, 1600x1200 - viewed 748 times.)

* T-504 003.JPG (414.6 KB, 1600x1200 - viewed 758 times.)

* T-504 004.JPG (402.32 KB, 1600x1200 - viewed 723 times.)
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AB3L
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« Reply #3 on: January 20, 2012, 05:32:44 PM »

more


* T-504 006.JPG (388.58 KB, 1600x1200 - viewed 730 times.)

* T-504 005.JPG (402.2 KB, 1600x1200 - viewed 722 times.)
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W7TFO
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IN A TRIODE NO ONE CAN HEAR YOUR SCREEN


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« Reply #4 on: January 20, 2012, 05:38:24 PM »

We sure build beautiful equipment in this country when we want to.

That look to be very application-specific, so may best be reduced to components and used again.

73DG
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Just pacing the Farady cage...
K9PNP
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« Reply #5 on: January 22, 2012, 07:39:09 PM »

This one really got my curiosity up.  Looked through every old [1965 and earlier] reference I have on old military equipment.  There is nothing in the Army or Navy references.  Air Force references after 1950 are short here, so not much help there.  I'm beginning to wonder if it was a DOD item or not.

It is interesting that it apparently belonged to a 'laboratory' from the front panel stamp.  Either that, or some lab had done work on it.  Also, the fact that the transmitter and receiver have 'arm' switches is rather different.  Almost makes you wonder if it was for an R&D or prototype item for some high energy device.
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73,  Mitch

Since 1958. There still is nothing like tubes to keep your coffee warm in the shack.

Vulcan Theory of Troubleshooting:  Once you have eliminated the impossible, whatever remains, however improbable, must be the truth.
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Patrick J. / KD5OEI
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« Reply #6 on: January 22, 2012, 11:11:12 PM »

2C39 in a cavity? Maybe you got a 900 or 1296 MHz -able unit there. Any transmitter that has to be "armed" is OK by me.

I do not find it in my Jane's here.
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Rob K2CU
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« Reply #7 on: January 27, 2012, 12:26:30 PM »

Probably a radar test set....L band.
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W3RSW
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« Reply #8 on: January 27, 2012, 06:50:14 PM »

Hmmm,  "clearly" stamped Atomic (?) Physics Laboratory in yellow.
And yet it has a 2C39 beast and tumble cavity decent to. Low freq. crystal Osc.
Curiouser nd curiouser.
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RICK  *W3RSW*
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« Reply #9 on: January 27, 2012, 07:11:52 PM »

Quote
2C39 in a cavity?

Might be a 6161. Hard tellin'.
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AB3L
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« Reply #10 on: January 29, 2012, 05:16:49 PM »

Maybe a R-390 will bolt into the rails.

I can check back there tomorrow if there are any requests to look into. Maybe I'll grab one and take it back to my shop at work where I can investigate more. I would hate to trash anything that is significant.
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Jim, W5JO
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« Reply #11 on: January 29, 2012, 05:30:14 PM »

Atomic and Plasma Labatory.  Could be from over near White Sands or Los Alamos.
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K9PNP
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« Reply #12 on: January 31, 2012, 05:27:16 PM »

I was thinking Oak Ridge.

The AM Forum  > THE AM BULLETIN BOARD > QSO > Topic: Can anyone identify this mystery rig?

Might fit in there.
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73,  Mitch

Since 1958. There still is nothing like tubes to keep your coffee warm in the shack.

Vulcan Theory of Troubleshooting:  Once you have eliminated the impossible, whatever remains, however improbable, must be the truth.
AB3L
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« Reply #13 on: February 06, 2012, 03:02:08 PM »

2C39 in a cavity? Maybe you got a 900 or 1296 MHz -able unit there. Any transmitter that has to be "armed" is OK by me.

I do not find it in my Jane's here.

It has a ML-2C39-AM in the cavity. The lid has breathers on either side with tubing fittings inside directing to brackets that look to have held bottles or cylinders of some sort. Also has a 1kc frequency standard in it. The work on this thing is amazing from the harnessing to the hardware. Even has the hard to find original tuning tool.....
ARO and MAB lettering with the Atomic and Plasms Physics Laboratory labeling. A tag on the back says it went thru Letterkenney Depot.
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