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Vintage Amateur and Military Radio Amateur/military receivers and transmitters, morse, and any other related vintage comms equipment.

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Old 29th May 2021, 8:34 am   #1
DaveZR5
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Location: Reigate, Surrey.
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Default Thorn EMI EP4220 Ghz radio info wanted

Hello All,
I have found a interesting piece of kit, But can not find anything on the web
except a closed auction notice. its not too old ,probable 1980's.
ANY info will be gratefully received
Thanks Dave
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Old 29th May 2021, 10:09 am   #2
Trigon.
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Default Re: Thorn EMI EP4220 Ghz radio info wanted

Not much out there, but mentioned in: "Defense & Aerospace Companies - Volume II - Thorn EMI Plc - Archived 6/97"

https://homedocbox.com/storage/73/68...g/68182664.pdf

Quote:
As a private venture, Thorn EMI Electronics has
developed the Corvus, a "smart" ELINT/ESM system
which incorporates the company's EP-4220 channelized
receiver and its EP-4210 advanced pulse analyzer to
provide a high degree of mobility. Corvus consists of a
complete shelter-based, transportable installation which
can be mounted on a four-ton truck. Corvus has been
employed in the ELINT measurement roles, such as
detecting residual radiation from emitters that are
nominally switched off, but which actually are left on with
the antenna being switched off and power fed into a
dummy load.
Cheers
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Old 31st May 2021, 8:57 am   #3
DaveZR5
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Default Re: Thorn EMI EP4220 Ghz radio info wanted

Thanks Trigon
Having read the above it would appear that I have a 55Kg boat anchor.
Regards Dave
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