PPRuNe Forums - View Single Post - Primary radar systems at British airports.
Old 23rd Jan 2018, 14:07
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aterpster
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Originally Posted by chevvron
From what TDM tells me, it's valves they're short of; but then none of you lot probably knows what a thermionic valve is.
My TV set used to have about 24 of them.
aterpster is offline