Re: Date of mfr. and service of this (avionics?) VHF/ UHF amplifier module?
That looks vaguely familiar. Were versions fitted to EE Lightnings, and early-ish Harriers? If the latter, then their performance left a lot to be desired, and pilots were always grumbling about them. During the Falklands conflict, they regularly went unserviceable, leading to a fully armed aircraft returning to the carrier. If they had a heavy bomb load, the weapons were jettisoned before attempting a landing.
Colin
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