gm tube

gm tube

Antennas : Loop

• Horizontal Loop Antenna Experiments - The HF horizontal loop has been around for many years now. This article includes a YouTube video and discusses the reasons for looking at this antenna, its design, and its installation. There are some on-air comparisons against three regular double bazooka (coax) dipoles and the Par SWL End-Fed antenna.
  [ Hits: 926 | Votes: 5 | Rating: 8 ]

• GM3MXN Magnetic Loop Antenna - This article describes a loop usable from 7 - 21 mHz, using half inch copper tube 3 feet in circumference
  [ Hits: 2101 | Votes: 1 | Rating: 8 ]

• Glowbugs Times - Homebrew Tube Projects, Vacuum Tube Data, Articles From Old Handbooks
  [ Hits: 519 | Votes: 4 | Rating: 9.25 ]

• How To Make A VO-52 SAT QSO Video - Using a home made 10 element 435 & IO Loop for 145MHz, with a Yaesu FT-847. Simon - 2E0HTS, adjusts his (uplink) transmitted signal to correct the doppler of the Received (downlink) frequency.
  [ Hits: 1029 | Votes: 0 | Rating: 0 ]

• QRO-Parts.com - Svetlana tubes also Russian capacitors,vacuum and coaxial relay, for RF Power Linear Amplifier builders. Amateur-Radio, Broadcast. Full Online Catalog.
  [ Hits: 1214 | Votes: 99 | Rating: 8.88 ]