FDIM 2024 - The Amazing Thermionic Valve by Greg Latta AA8V

Four Days in May (FDIM) Symposium which occurs near Dayton, OH the same weekend as Hamvention. Hosted by the QRP Amateur Radio Club International.
Visit our website for more information: qrparci.org/fdim
#hamvention2024 #hamradio #qrp #electronics #cw #morsecode #fdim2024 #amateurradio

[@y_x2]

Before the superheterodyne was the TRF and neutrodyne and before that the regenerative one and before the simple diode receiver!