rf antenna

rf antenna

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• 40m loaded dipole - IZ0GIF
  
  This is an short dipole for 7 MHz Total length of this dipole is just ...
  [ Hits: 195 | Votes: 4 | Rating: 8.75 ]

• A very efficient half size 40 meter Vertical Antenna - Ray Ring
  
  A vertical antenna project for the 7MHz made with some spare parts Based on a ...
  [ Hits: 736 | Votes: 4 | Rating: 8.5 ]

• 80m Shortened Dipole Antenna - DL2HRF  ^updated
  
  This antenna just requires about 24m of free space instead of 41m that a normal ...
  [ Hits: 155 | Votes: 1 | Rating: 1 ]

• Baluns and common mode chokes - Dorenberg
  
  Voltage baluns versus Current baluns When to use them differences and typical usage in feeding ...
  [ Hits: 402 | Votes: 1 | Rating: 10 ]
• Build your own HF balun - EA4EOZ
  
  A balun is a MUST for dipoles or similar antennas when they are feed with ...
  [ Hits: 248 | Votes: 1 | Rating: 10 ]

• A Reversible Beverage at ZL3IX - ZL3IX
  
  How do two wire reversible direction Beverages work an excellent document that explains fundamentals of ...
  [ Hits: 524 | Votes: 0 | Rating: 0 ]
• The Single Wire Beverage Antenna - zl1rs
  
  This simple beverage ntenna is easy to make easy to setup and it offers great ...
  [ Hits: 449 | Votes: 5 | Rating: 7.4 ]

• Modeling an 80/40/20M Fan Dipole for DX - W1DYJ
  
  An interesting presentation of a real multiband Fan Dipole antenna optimized for better DX operation ...
  [ Hits: 542 | Votes: 2 | Rating: 5.5 ]

• High Performance common-mode chokes - G3TXQ
  
  May 2015 Radcom Article on common mode chokes that can be used for control cables ...
  [ Hits: 690 | Votes: 1 | Rating: 10 ]

• History of the Hexbeam Antennas - K4KIO
  
  The original HEXBEAM was developed by Mike Traffic N1HXA in the early nineties It is ...
  [ Hits: 130 | Votes: 2 | Rating: 7.5 ]

• Portable NVIS Loop for 80m to 40m - Mark E. Cantrell (AE7TO)
  
  A portable 15 5 foot diameter NVIS loop for 3 5 to 7 3 MHz ...
  [ Hits: 368 | Votes: 0 | Rating: 0 ]

• The Off-Center-Fed Dipole Antenna - Gary Rondeau
  
  The OCFD Off Center Fed Dipole Antenna is an excellent multiband antenna that is relatively ...
  [ Hits: 328 | Votes: 2 | Rating: 9 ]

• 160 Meters 4 Square Receive Antenna - W0QL
  
  A four square array receiving antena for the top band performance is extremely directional and ...
  [ Hits: 181 | Votes: 1 | Rating: 10 ]

• Understanding Antenna Polarization - Peter McNeil
  
  What is antenna polarization and why does it matter Horizontal versus Vertical versus Circular polarization ...
  [ Hits: 170 | Votes: 1 | Rating: 2 ]

• Tuning Antenna Traps - VK4ADC
  
  The problem with making your own trapped HF antennas is usually getting the coaxial traps ...
  [ Hits: 276 | Votes: 2 | Rating: 6.5 ]

• Modifications to the Diamond V2000 and similar antennas - EA4EOZ
  
  This kind of antenna has grown in popularity over the last years because it gives ...
  [ Hits: 631 | Votes: 2 | Rating: 9.5 ]

• Ham Goodies - hamgoodies
  
  Amateur Radio goodies for not only the Shack but also a range of outdoor portable ...
  [ Hits: 145 | Votes: 0 | Rating: 0 ]

• Hamtech - HA8YU
  
  HAM made engineering products supplies and produces coaxial relays antenna switches sequencers roller inductors variable ...
  [ Hits: 192 | Votes: 0 | Rating: 0 ]

• Wuxi Venus Information Technology - Wuxi Venus
  
  Wuxi Venus Information Technology is an amateur radio devices dealer in China source for high ...
  [ Hits: 179 | Votes: 0 | Rating: 0 ]

• How to Ground an Antenna: aerial earthing - Electronic Notes
  
  The antenna ground or earth system can be key to its operation whilst also being ...
  [ Hits: 233 | Votes: 1 | Rating: 4 ]

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