antenna hf

antenna hf

Pages: [prev] ... 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 ... [next]

• VHF sleeve dipole antenna - An off-center-fed sleeve dipole, made of CPVC and aluminum foil tape by KV5R
  [ Hits: 806 | Votes: 0 | Rating: 0 ]
• VHF Yagi Antenna with Gamma Match - An interesting article on building a 4 elements yagi antenna with gamma match for the 2 meter band. This article include two videos demonstrating assembling procedure by KG0ZZ
  [ Hits: 2366 | Votes: 28 | Rating: 4.03 ]

• 9 dB 70cm Collinear Antenna - Build A 9 dB UHF Collinear Antenna From Coax By N1HFX
  [ Hits: 3741 | Votes: 26 | Rating: 6.68 ]

• The EFHW Antenna - An efficient monoband end-fed half wave for 10m, 20m or any other HF band
  [ Hits: 1102 | Votes: 1 | Rating: 10 ]

• Feed antenna through closed window - A system to lay the antenna cable through a closed window by OE1VFW
  [ Hits: 1014 | Votes: 0 | Rating: 0 ]

• W5ALT Indoor Vertical Antenna - Base loaded vertical antenna that can be tuned on almost all HF bands, tuned by adjusting the a big coil by W5ALT
  [ Hits: 4528 | Votes: 17 | Rating: 7.05 ]
• A Cheap Indoor Dipole for 80m-15m - NC4JB Josh explain in this article how to setup a simple and cheap indoor dipole antenna that can be used on almost all HF bands
  [ Hits: 4531 | Votes: 8 | Rating: 6.37 ]

• OSJ antenna for VHF and UHF - Working priciple of OSJ and jpole anntennas by PY4ZBZ
  [ Hits: 1987 | Votes: 13 | Rating: 4.54 ]

• Mag Loop For 40m-10m - Compact and efficient magnetic loop antenna that cover from 40 to 10 meters project by G8ODE published by RSARS
  [ Hits: 1824 | Votes: 2 | Rating: 10 ]

• HF portable magnetic loop - Here is a well documented plan of a 20m-10m compact magnetic loop antenna. Article includes lots of pictures and technical details published by KP4MD
  [ Hits: 1058 | Votes: 1 | Rating: 10 ]
• Field Day Antennas - HF VHF UHF antenna ideas to be used for field days. All antennas are quick to set up and take down and offer proven performance and flexibility. Presentation offered by Mahoning Country ARES
  [ Hits: 496 | Votes: 0 | Rating: 0 ]
• Notes on Portable HF Antennas - Notes on an optimum Portable HF Antenna, a comparison of MFJ927 and SGC239 autotuners, and a 31 ft. vs 43 ft. vertical by VE1ZAC
  [ Hits: 452 | Votes: 1 | Rating: 10 ]

• VHF Cubical Quad - A project for a four element cubical quad antenna for 144 MHz in portuguese
  [ Hits: 2092 | Votes: 29 | Rating: 5.97 ]

• QRP Antenna Tuner project - This is a project aboout compact and portable a QRP antenna tuner for use in the HF ham radio bands from 3-30 MHz, even if it's a compact and efficient project this small antenna tuner will not match any possible load.
  [ Hits: 284 | Votes: 0 | Rating: 0 ]

• The Turnstile antenna - An omnidirectional and horizontally polarized VHF antenna by EA4EOZ
  [ Hits: 916 | Votes: 4 | Rating: 3.25 ]
• PL259 Antenna - A simple VHF quarter wave antenna from PL25
  [ Hits: 542 | Votes: 2 | Rating: 9 ]

• Broadband Power Technology - Active Receiving Antennas, designed for reception of shortwave, mediumwave and longwave signals and VHF/UHF signals
  [ Hits: 337 | Votes: 0 | Rating: 0 ]

• ARS Eletronica Industrial - Commercial VHF UHF antenna maker based in Brazil
  [ Hits: 275 | Votes: 0 | Rating: 0 ]

• Comet CHA250B Review - An interesting article by K3DAV comparing the COMET CHA250B to other HF multiband vertical antennas
  [ Hits: 1631 | Votes: 2 | Rating: 8.5 ]
• Butternut HF9V - Assembling the Butternut HF9v HF vertical antenna
  [ Hits: 813 | Votes: 0 | Rating: 0 ]

Pages: [prev] ... 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 ... [next]