W6PQL 23cm 600W PA Heatspreaders

Nice simple job squaring, facing, drilling, tapping and slotting some free-machining C111 copper for an oversized heatspreader for a W6PQL MRF3750 600W PA board. 4 x 5 x 0.5 inch thick. I have quite a number of these to machine up now. C111 is such a contrast from horribly gummy C101

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