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Author Topic: the TPU as an antenna and possible sources  (Read 5106 times)

EMdevices

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the TPU as an antenna and possible sources
« on: November 20, 2007, 12:27:00 AM »
1)   I've included a very interesting patent on a magnetic antenna, [edit... not relevant]

2)   I've included a 3D cad model I built for the open TPU, [edit...updating picture]

3)   I've added the TPU power source !!!  This facility is not too far from SM's location.  Could this possibly be a source of energy for the TPU?  

EM




« Last Edit: December 10, 2007, 09:23:00 PM by EMdevices »

Grumpy

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Re: Secrets of the TPU and the DOD connection
« Reply #1 on: November 20, 2007, 03:16:00 AM »
Damn!  I thought herds of cattle roaming the plains of America were the source of all energy:


Earl

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Secrets of the TPU and the DOD connection
« Reply #2 on: November 20, 2007, 04:01:50 AM »
The antenna in the photo is a RECEIVING antenna, not a transmitting antenna !!
It is a radio direction finder antenna called a Wullenweber.

see http://cryptome.org/elmen-eyeball.htm for a history of these antennas, which in the meantime have been dismantled since they became obsolete.

This is not the source of TPU power.

Earl

BEP

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Re: Secrets of the TPU and the DOD connection
« Reply #3 on: November 20, 2007, 04:07:19 AM »
@EM

I really like your TPU graphic!

Sorry, but the photo has nothing to do with a TPU. There were some very interesting things done with them but none of it had to do with power production, at least not intentionally.

That photo appears to be an AN/FRD-10. Maybe I'm wrong because there were a few variations but I was one of the poor slobs that spent untold hours in the building in the middle. Most of the time I was dreaming up ways to set my partner's pants or shoes on fire  ;D

EMdevices

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Re: Secrets of the TPU and the DOD connection
« Reply #4 on: November 20, 2007, 02:42:31 PM »
Are you guys sure it was used only for reception?
I thought it was a two way comm system with submarines.  Hmm , I better do some more research.   I drove by that thing so many times, but never noticed any radio distortion or anything, might have been decomissioned by then (2003 time frame) 
BEP, do you think the freq are still classified?   (or were they ever?)
If this thing is just a reveiving station then it's unrelated, but what if the TPU's caused interference to their reception?  By the size of it, we know it has to be a low frequency antenna.   By the way Earl,  the picture I included is not in that list of the FRD-10 and FRD-9 arrays, this one is in San Diego.  But it looks simular doesn't it.

EM

BEP

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Re: Secrets of the TPU and the DOD connection
« Reply #5 on: November 20, 2007, 03:04:21 PM »
Are you guys sure it was used only for reception?
I thought it was a two way comm system with submarines.  Hmm , I better do some more research.   I drove by that thing so many times, but never noticed any radio distortion or anything, might have been decomissioned by then (2003 time frame) 
BEP, do you think the freq are still classified?   (or were they ever?)
If this thing is just a reveiving station then it's unrelated, but what if the TPU's caused interference to their reception?  By the size of it, we know it has to be a low frequency antenna.   By the way Earl,  the picture I included is not in that list of the FRD-10 and FRD-9 arrays, this one is in San Diego.  But it looks simular doesn't it.

EM

The Navy and some Canadian stations were sometimes used for two-way communication. The primary purpose was direction finding using the Doppler Effect. For those that had transmit capability they were really good for it as they could also direct a signal in virtually any direction. The operating frequencies were primarily high frequency (HF). It did quite well as low as a couple hundred Kc but was designed to operate a bit higher and up to 30 Mc.

Last I heard there are two Canadian stations still operating but via remote control. There is more than one current system but the ground based ones can be a single point and be just as accurate and be remote controlled. They have an option of using an antenna that would fit in a breifcase.
While I've been out of 'the business' for quite a while I hear that packet burst transmission in the sub 100 Hz range is the big thing now. I would like to know how it is done. I've seen signals in this range. The only way I can imagine data on these is via phase shift.