I delivered a Magellan 2000 to a Sinai diveboat in 1991. We used it to locate the Thistlegorm. It was treated like the crown jewels/holy grail.
I dived the Thistlegorm in '94 off a live aboard from Sharm. I dived it again in 2007, I didn't recognise it☹️
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Rule#2: Never argue with an idiot. He'll drag you down to his level & then beat you with experience.
Rule#3: Tha' can't educate pork.
Rule#4:Don't feed the troll