UG.LOS

From Swindon Panel Reference
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Origin

...

Removal

The signal was brought into use in June 1978. It replaced GPL SN.276

1978-03.png

Reincarnation

At some point the GPL was changed back into a limit of shunt lamp.

Conversion to LED

The signal was converted to a red-red GPL in March 1999:

1999-01.png

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