34m vacuum tube

SJ2W 160 meter antennas - SJ2W Contest Station, antenna for the 160 meter is a 39m vertical. This 160m antenna consist of 29m of WIBE tower sections with an insulated base and 10m top tube.

ACOM 1000 tube replacement - Step by step instruction on replacing tubes on the ACOM 1000 RF Amplifier

ACOM-1000 Contitioning tubes - Conditioning NOS GU74b Tubes in your ACOM-1000 Amplifier by VE1DX

Another Problem with the Alpha 9500 - AB4D post on a tube defect of Alpha 9500 power amplifier

TS-690S Mars Modification - Kenwood TS-450S/TS-690S MARS modification video

WVS Technology - RF Tubes shop, capacitos, inductors and more electronic components dealer based in Germany

Arcing or Gassy 572B Tube - Common problems of the 572B tubes often used in many RF Power Amplifiers