The Heathkit IB-1101 Frequency Counter

28:34
HP 5245L Nixie Counter - Part 1: The King of 1960s Frequency Meters

29:09
How a Reciprocal Counter works (and how to retrofit one you make by your own)

30:15
TA-0403: Racal 9918 Frequency Counter Repair 1 - Test and Debug

19:44
The Heathkit IM-36 Transistor Tester

24:09
HP 5342A Microwave Frequency Counter upgrade and we fire up the Cesium clock to calibrate it!

42:38
Esta locomotiva a vapor centenária funcionará?

40:23
SDR Airspy HF+ e RTL SDR: Um RÁDIO PODEROSO!

27:53