31:31

Magnetic Loop Amplifier

19:55

You Can't Build the SimpleX Super - Part 1

1:34:37

1930s Philco Model 50 AM Radio Restore Early Tube Superheterodyne Receiver Grandfather Clock

12:17

Fixing the Full Bridge Rectifier’s Big Flaw - Active Power Factor Correction

13:27

Crystal Radio

42:52

How I Restored a 1960s Nordmende Transita Automatic with only 9 Capacitors #pcbway#

40:50

Soviet Surface to Air Missile Poorly Explained

16:30

7 "No Tuner" Ham Radio Bands with One 63' Endfed Wire -- That's Not Possible! The LEFS8040 Does it!