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Vintage Radio (domestic) Domestic vintage radio (wireless) receivers only.

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Old 30th Nov 2022, 9:35 am   #1
Bob Clifford
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Post Eddystone equipment

Hello,

I have been given the attached meter can someone explain what it is.

Came in a box of radio bits and pieces.
It says Type S902, Serial No A00118 on the ID lable
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Old 30th Nov 2022, 9:40 am   #2
Cobaltblue
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Default Re: Eddystone equipment

Hi Bob and welcome to the forum.

Its A GDO (Grid Dip Oscillator)

Its used for checking the resonant frequency of a circuit.

There's a tutorial here.

https://www.electronics-notes.com/ar...to-use-gdo.php

Cheers

Mike T
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Old 30th Nov 2022, 12:43 pm   #3
Mr 1936
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Default Re: Eddystone equipment

Hi

Appears to be mid-1960's vintage

The Eddystone User Group has data, look for 902 Edometer:

https://eddystoneusergroup.org.uk/se...one-receivers/
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Old 30th Nov 2022, 12:48 pm   #4
ms660
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Default Re: Eddystone equipment

They tend to be comparatively expensive to buy.

Lawrence.
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Old 30th Nov 2022, 1:57 pm   #5
Bob Clifford
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Default Re: Eddystone equipment

Thak you everyone for the informatiom, I found a very useful document on the Eddystone site on servicing and refurbushment of one of these units.
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