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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 20th Feb 2023, 5:28 pm   #1
G4BZI Roger
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Default Help identifying this rf connector

I'm restoring a Radiovision Hambander (c. 1947) and it has an unusual aerial socket - a bit like a phono socket but larger.
Barrel o/d is approx 11 mm and inner dia approx 3.5 mm. Photo attached with traditional B/L coax socket for comparison.
Can anyone identify it and/or advise what type of plug mates with it.


TIA
Roger
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Old 20th Feb 2023, 6:36 pm   #2
G6Tanuki
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Default Re: Help identifying this rf connector

MUSA connecor?

https://en.wikipedia.org/wiki/Musa_connector

Used in various WWII/post-WWII RADAR-type applications.
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Old 20th Feb 2023, 9:02 pm   #3
CambridgeWorks
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Default Re: Help identifying this rf connector

I think I have seen similar on BT/ Post Office exchange equipment (75 ohm multiplexer gear?) from a few decades ago. Maybe someone more familiar with exchange equipment might comment? Not sure if I have any though, but that does look familiar somehow?
Rob
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Old 21st Feb 2023, 8:19 am   #4
FrankB
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Default Re: Help identifying this rf connector

It is similar to one of the General Radio RF connectors, but a bit different. Possibly a GR connector would fit?
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Old 21st Feb 2023, 3:23 pm   #5
kan_turk
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Default Re: Help identifying this rf connector

Definitely not MUSA
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Old 22nd Feb 2023, 1:09 pm   #6
g4aaw pete
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Default Re: Help identifying this rf connector

Reminds me of a car aerial socket with the center connection removed.
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Old 22nd Feb 2023, 6:14 pm   #7
emeritus
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Default Re: Help identifying this rf connector

Agreed, not a MUSA. They were virtually the standard connector for in-house test gear in the old STC Submarine Cables Lab at North Woolwich where I spent my vacation training as a student in the summer of 1968, during which I made up several cable assemblies that used MUSA connectors.

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