The housing for the original TUG is a single piece of aluminum and quite a beast! This should be good for cooling the amplifier. I decided to use the same housing also for the 13cm amplifier and to optimise volume, the two housings were mounted "mirrored" with an aluminum plate in between to guide the cooling air.
The small "legs" were mounted to get some space for directional couplers and power detectors for FWD/REF power measurement.
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