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top: JA0DFR 5.6GHz converter, bottom:Takemura-san's small MMIC-based AO-40 2.4GHz converter
left: humor prize JF2NMY sardine can 7MHz transmitter, right: JJ1INO compact QRPp transceiver
top:JN1AYV low NF modified Drake 2.4GHz converter, bottom: 7N2OZE 1.2GHz receiving converter
homebrew contest entries
top: JN3VRJ solar-powered 2.4 GHz test set
JA1AKA 5.7GHz disc antenna, with JA2DES magnetic loop for 3.5, 7 and 10MHz visible behind it