4 meter

4 meter

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• A double extended Zepp for 10 meters - How to make a Double Extended Zepp Antenna, almost a conventional halfwave dipole fed in the center with 300 or 450 ohm feed line by kh6jrm
  [ Hits: 1735 | Votes: 6 | Rating: 8.5 ]

• Bobtail Curtain for 30 meters - A project of a bobtail-curtain antenna for 10 MHz
  [ Hits: 1433 | Votes: 2 | Rating: 10 ]

• 40 meter cage dipole - The antenna consists of 6 runs of stranded wires spaced by plastic Hula Hoop spacers made of poly tubing
  [ Hits: 895 | Votes: 2 | Rating: 9 ]

• 40 Meter Full Wave Loop - A 7MHz Full wave loop antenna in diamond shape for field day operations made with three 31 foot Jackite poles
  [ Hits: 1798 | Votes: 4 | Rating: 7.25 ]

• 70MHz Delta Loop Antenna - A delta loop antenna for the 4 meter band by GW7AAV
  [ Hits: 1257 | Votes: 7 | Rating: 7.29 ]

• Dish antenna - ZL1BJQ 23 feet diameter dish antenna for 432 Mhz
  [ Hits: 725 | Votes: 1 | Rating: 1 ]

• SM2YER 40m Delta Loop - A delta loop antenna project for the 40 meters band but working even on 20 by SM2YER
  [ Hits: 2121 | Votes: 21 | Rating: 5.72 ]

• Buddipole vertical dipole for 40M - A vertical dipole for the 40 meters band made by using some buddipole parts and adding capacities on both ends by HB9MTN
  [ Hits: 1925 | Votes: 3 | Rating: 5.67 ]

• 40m portable antenna tuner - A small-sized portable antenna tuner for the 40 meter band end-fed half wave antenna based on a toroid core and a variable capacitor by VK5ZVS
  [ Hits: 2158 | Votes: 7 | Rating: 8.14 ]

• Halo Antenna for 50 MHz - A well documented article about construction and analysis of a horizontally polarized halo antenna for 6 meters band by Dr. Carol F. Milazzo, KP4MD
  [ Hits: 1504 | Votes: 5 | Rating: 5 ]

• Narrow Diamond Loop for 40 Meters - Antenna model for a diamond loop wire antenna for the 40 meter band
  [ Hits: 975 | Votes: 0 | Rating: 0 ]

• Magnetic Loop 80-20 by N4SPP - A transmitting magnetic loop antenna that can cover from 80 to 20 meters band with a lot of experiments on coupling tecniques, and a pictures by N4SPP
  [ Hits: 2287 | Votes: 10 | Rating: 5.9 ]
• AB2EW Mag Loop Antenna - Portable magnetic loop antenna that can handle 50W from 40 to 15 meters band by AB2EW
  [ Hits: 1266 | Votes: 2 | Rating: 6 ]

• SlimJim for 28 MHz - A 10 meters band Slim Jim antenna project, made with a 450 Ohm slotted ribbon cable and secured on a 8 m fishing pole, by Steve G0KYA
  [ Hits: 1826 | Votes: 18 | Rating: 5.87 ]

• Height & Gain on 40 Meters Wire Antennas - An comprehensive article on 40 meters antenna comparing vertical height to the resulting gain
  [ Hits: 783 | Votes: 2 | Rating: 6.5 ]

• QRP Random Wire Tuner - A small random wire antenna tune that can tune from 40 to 10 meters bands.
  [ Hits: 1210 | Votes: 1 | Rating: 10 ]

• A HF dual band trap antenna - A dual band coax trap antenna designed to work on 20 and 30 meters or on 20 and 40 meters band by Phil W0XI
  [ Hits: 932 | Votes: 4 | Rating: 6.5 ]

• 3 element Yagi for 40m - EF403 is a 3 element yagi antenna for the 40 meters band with high gain and F/B Ratio
  [ Hits: 3479 | Votes: 12 | Rating: 4.49 ]

• WebSDR in Turin Italy - A WebSDR receiver located in Turin Italy providing 40 meters band.
  [ Hits: 1845 | Votes: 19 | Rating: 6.5 ]

• Magnetic Loop for 40 to 10 meters - A magnetic loops for HF pedestrian mobile project by VK3YE
  [ Hits: 1019 | Votes: 4 | Rating: 7.75 ]

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