I am very active in microwave world and not in contest and test only but equipment construction also! Except for the transceiver that I use to drive several transverters (IC202, IC402, FT290), all the rest are homemade gears: transverter, pre-amplifier, amplifier, guide-filter, horn, illuminators, etcetera. For the modules calibration I use homemade frequency-meter, homemade signal generator, a Marconi up to 18 GHz power meter and a Hewlett-Packard spectrum analyzer. After few years of work, I have achieved transverters for 1,2 - 2,3 - 5,7 - 10 - 24 - 47 GHz (3,4 GHz unauthorized in Italy). At the moment I have not idea to build 75 GHz transverter because I will be the only to have it and I can not to do qso with......myself !!! In the 150 KM range, there are many stations active in 6 millimeter band (47 GHz): IW2BNA, IZ2DJP, I4QIG, I3CLZ, I3ZVN, IK3NWV, IW3EHQ, I3SOY, S51JN but no one of them is QRV in 75 GHz band. Under, you can see some pictures of homemade transverters and relating particular, besides, the performance during some contests, including the 24 GHz/250 KM bilateral SSB QSO with S51JN/P and 47 GHz/188 KM bilateral SSB QSO with I4QIG/4.
Marconi 6460/1 up to 18 GHz power meter Microwave gears that I normally use
I. F. for transverter drive 1296 MHz transverter
2,3 GHz transverter 2,3 GHz inside view transverter
5,7 GHz transverter 10 GHz transverter
24 GHz transverter 24 GHz inside view transverter
24 GHz guide-filter particular Another 24 GHz inside view transverter
24 GHz wave guide/SMA transition Transfer switch and 24 GHz power amplifier
47 GHz transverter 47 GHz inside view transverter
47 GHz Wave guide and some illuminators 24 and 47 GHz feeds
Tuning 2,3 GHz band IW3FZQ/4 during IARU Test
left to right: IW3FQT, IW3HPO, IW3FZQ test IW3FZQ/4 from JN54QF
Here, myself from Montecalderaro (BO) Waiting the propagation !!!!
WWL JN54RI in May contest
"The contest must go on also in the night" 2,3 - 5,7 - 10 GHz equipment