d a tubes
114 links - and 2 categories
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Antennas : 2M- The Cycloid Dipole Antenna
- A 2 meter antenna made of copper tubes, offering circular polarization
[ Hits: 1934 | Votes: 15 | Rating: 7.2 ]
- 6 Meter Homemade J-Pole Antenna
- A homemade j-pole antenna for six meters band, designed to work on local repeaters, and working on the 52-53 MHz. Includes a list of needed materials and detailed description on assembling the copper tubes used to build this antenna.
[ Hits: 253 | Votes: 3 | Rating: 4.67 ]
- Mag Loops for HF
- Small antennas by KH6HAK, including 6 meter magneti loop antenna made with copper tubes.
[ Hits: 704 | Votes: 1 | Rating: 1 ]
- Aluminium Push Up Mast
- A DIY aluminium push up mast project. The final mast includes 7 aluminium tubes with 6 cable clamps
[ Hits: 357 | Votes: 3 | Rating: 6.67 ]
- Balcony Antenna for 7 10 14 MHz
- A project for a balcony antenna that works on 7 10 14 MHz made by 2 PVC tubes coiled with insulated copper wire, a solution for restricted lots.
[ Hits: 2476 | Votes: 2 | Rating: 9.5 ]
- Practical Balcony Version of an Old Military Car Antenna
- The antenna almost repeat the design of the Car Antenna however instead of aluminum tubes it was used copper wire in plastic insulation in diameter of 2- mm (12 AWG).
[ Hits: 388 | Votes: 2 | Rating: 7.5 ]
- Greenstone USA
- GREENSTONE USA leader in the Vacuum Industry manufacturing products such as Vacuum Tubes, Vacuum Capacitor, Vacuum Relays, Vacuum Contactors and Vacuum Interrupters.
[ Hits: 233 | Votes: 2 | Rating: 9.5 ]
- Evolution of Car Radios: From Marconi to Motorola
- his historical account traces the development of car radios from Marconi's mobile wireless telegraph station on a steam engine vehicle in 1901 to Motorola's iconic car radio models in the 1930s. It highlights key milestones such as Alfred Grebe's radio-telephone experiments on Long Island and the introduction of Marconi-Phone 8 radios by the Daimler Company in England. The narrative explores technological advancements, including the transition from TRF to Super-Heterodyne circuitry and the integration of push-button controls. The evolution from vacuum tubes to transistors and compact discs is also documented, showcasing the continuous innovation in automotive entertainment systems.
[ Hits: 48 | Votes: 1 | Rating: 1 ]
- New Sensor
- Tubes and electronic components online shop. Dealer for svetlana, sovtek, tesla, mullard and tungsol tubes
[ Hits: 250 | Votes: 0 | Rating: 0 ]
- W5GRG.NET The Finest in Used Ham Gear
- Amateur Radio Amateur Radio Manuals & Books Computer Books & Programs Computer Hardware Rare & Hard to Find Books amateur radio,electronics ,electronis parts,tubes, amplifiers,towners, beam antennas and more
[ Hits: 258 | Votes: 0 | Rating: 0 ]
- Home Made 813 Amp
- An home made RF Amplifier project that allows near full power output from 813 tubes
[ Hits: 1444 | Votes: 2 | Rating: 6 ]
- 6m Amplifier with 2x Gi7b
- A 50 MHz stable and small power amplifier, suitable for portable and domestic use. This RF Power amplifier delivers 900W with used pair of tubes primary installed into amplifier.
[ Hits: 122 | Votes: 0 | Rating: 0 ]
- How to Find out if an Electronic Tube Is Good
- How to check and test electronic tubes, investiganting sealants and making external checks or verifing internal filaments of the tube.
[ Hits: 300 | Votes: 0 | Rating: 0 ]
- What is a Vacuum Tube
- Read all the key details about Vacuum Tubes or Thermionic Valves that provided the foundations for today's electronics technology.
[ Hits: 281 | Votes: 2 | Rating: 10 ]
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