ON4CCO

In this video we compare a modern Chinese turntable with a vintage one! 2024 against 1963

Vintage Tube Turntable Philips from 1963 with audio

QO 100 converter

Decode data from Beacons on QO-100

Yaesu FT-817 TCXO install + test on the air...

VLF (SAQ) antenna home brew (DIY)

MiniWhip DIY Enclosure, VLF-HF antenna

Test of two Chinese Cable Testers, are they worth the money?

mini whip antenna , repair BIAS-T and test

Repair of a Refcom FC-2P VLF - MW converter,

Repair of a Wandel-Goltermann SPM-3 Selective Level Meter

DIY CubeSAT CW Beacon

Yaesu VX-6 transceiver submersibility test

PLL LNB with 25 MHz TCXO (0.5ppm) on QO-100 satellite

Test of a chinese RF attenuator ( 10 watt / 30 dB / 3 GHz)

Chinese 2.4 GHZ VCO (Oscillator) Repair

Testing of an Chinese RF amplifier on 436 MHz

Landing platform for drone (Tello DJI)