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60 видео
General aviation headset testing for ham radio
Make magazine's Super Simple FM Transmitter
Coutant LQT 100 bench power supply repair
Datong D70 Morse Tutor repair
Yaesu FT 817 repair - Part 2 : the fix
Testing an old 1940s/50s Zenith Variac 2000VA 8A model 100-R (?)
Peaking SOTABeam HF antenna traps
Repairing a Casio SA-65 electronic keyboard
Tapping PL259s
OHR DD-1 digital display
Telrad Pulser kit - overview and installation
HP 5087a frequency standard distribution amplifier
Datong D70 mod to randomize word length
MFJ-554 Classroom Code Practice Oscillator repair
Testing a 1:1 current balun - thinking out loud…..
Torque Acoustics T100L guitar amp repair
Hot Air Soldering and HDD repair
50uA current standard
Astronomy on a shoe string... improving an alt-az mount. Astronomy rulers :-)
Signal Tracer - make your own - Part 1
DIY table for grinding a telescope mirror
