Classic High Power Linear Amplifiers : 11AM-Noon : Waterloo
John's career was related to aircraft and satellite reconnaissance between 1981-1997. Since then he has been designing simulation / visualization systems.
Previous calls: WN5HRI (in 1972), WB5HRI
His primary interests: Collecting and restoring vintage and historic tube/valve type gear, particularly Collins. Also likes restoring large Henry console amplifiers, VHF/UHF weak signal propogation: 50 - 432 MHz, HF DXing: Mostly low band CW 160 Meter contests, 6 Meter and VHF contests, QRP and VHF homebrewing, overseas travel with portable/backpack operating.
His interests also include antique / classic automobiles, and Edison cylinder phonographs.