UK Vintage Radio Repair and Restoration Discussion Forum

UK Vintage Radio Repair and Restoration Discussion Forum (https://www.vintage-radio.net/forum/index.php)

- Vintage Radio (domestic) (https://www.vintage-radio.net/forum/forumdisplay.php?f=20)

- - Eddystone equipment (https://www.vintage-radio.net/forum/showthread.php?t=196424)

Bob Clifford

30th Nov 2022 10:35 am

Eddystone equipment

1 Attachment(s)

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

Cobaltblue

30th Nov 2022 10:40 am

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

Mr 1936

30th Nov 2022 1:43 pm

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/

ms660

30th Nov 2022 1:48 pm

Re: Eddystone equipment

They tend to be comparatively expensive to buy.

Lawrence.

Bob Clifford

30th Nov 2022 2:57 pm

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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