gu tube


gu tube

15 links

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: 829 | Votes: 5 | Rating: 8 ]
Antennas : WiFi
  • DirectionalWaveguide - Seattle Wireless - Waveguide antenna is a type of DirectionalAntenna and is a modified waveguide. A waveguide is simply a tube, either rectangular or cylindrical in cross-section, that will carry a microwave radio signal with very low signal loss
    [ Hits: 4866 | Votes: 3 | Rating: 6 ]
Antique Radios : Collections
  • Vintage Radios - Purveyor and Collector of Antique/Vintage Radios, Valves (Tubes) and Service Data for many radios. Alba Bush Champion Cossor Dansette Decca Defiant Eddystone Ekco Emerson Etronic Eveready Ferguson Ferranti GEC Grundig HMV Invicta Kolster-Brandes Lissen Marconi Masteradio McMichael Mullard Murphy Pam Perdio Philco Philips Pilot Pye Regentone RGD Roberts Sobell Sony Stella Strad Ultra Vidor
    [ Hits: 11450 | Votes: 7 | Rating: 3.57 ]
Manufacturers : Towers and Accessories
  • The One Man Tower - Complete tower system incorporates rotator mount, and lateral support collars. You never have to climb again - and forget the hassle of tilting over to work on large arrays. The "One Man Tower" is the strongest dmall footprint free standing self erecting tower in the world
    [ Hits: 6382 | Votes: 23 | Rating: 9.48 ]
Manufacturers : Tubes & Semiconductors
  • Greenstone USA - Manufacturer & distributor of vacuum tubes for all applications, we guarantee best service,pricing & delivery and we also guarantee sameday shipping.
    [ Hits: 783 | Votes: 4 | Rating: 10 ]
Radio Equipment : HF Amplifiers : Acom 1000 Radio Equipment : VHF-UHF Handhelds : TYT MD-2017
  • TYT MD-2017 Programming - A very useful video that explains how to program the TYT MD-2017 radio. From software download, firmware, codeplug and how to manually configure settings and how to program memories
    [ Hits: 251 | Votes: 0 | Rating: 0 ]
Shopping and Services : RF Tubes
  • Tubes for amplifiers - Sales tubes for amplifiers like GS-23B,GS-31B,GS-35B,GU-34B,GU-43B,GU-74B,GU-84B. Include links to aplifier homebrew projects
    [ Hits: 2191 | Votes: 6 | Rating: 1.17 ]
Technical Reference : Amplifiers
  • Duncan's Amp Pages - This is an internet resource for those interested in guitar amplifiers, vacuum tubes, and design tools such as SPICE modelling.
    [ Hits: 930 | Votes: 5 | Rating: 6.8 ]
  • How to select a tube HF amplifier - Excellent article and guide to choose the best RF power amplifier that fit your needs by ON4SKY
    [ Hits: 658 | Votes: 1 | Rating: 10 ]
Technical Reference : Amplifiers : HF Amplifiers
  • Ameritron AL-1200 to gs35b Conversion - The Ameritron AL-1200 Amplifier is in current production. In its factory configuration it uses a single 3CX1200A7 (triode) tube, grounded grid configuration. Re-tubing the AL-1200 with a GS-35b with success.
    [ Hits: 2558 | Votes: 2 | Rating: 4 ]
Technical Reference : HF Radios
  • 6L6 Transmitter - 40 meters band 5 watts transmitter, uses a 6L6 with a 6X5 rectifier and a 0D3 voltage regulator tube on the screen.
    [ Hits: 1213 | Votes: 1 | Rating: 10 ]
Technical Reference : Power Supply
  • Convert PC Power Supplies for use by Ham Radio - PC power supply conversion for ham radio use. Slide show overview showing how convert PC Power supplies to ham radio use presented at the August 2007 FSARC meeting.
    [ Hits: 3843 | Votes: 6 | Rating: 8.17 ]
Technical Reference : SWR Meters Technical Reference : Vacuum tube

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