rf antenna

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Antennas : 40M
  • W1ZY 40 meter moxon antenna - W1ZY's 40 Meter MOXON is the product of 9 months of experimentation. The final array is reversible and constructed from No. 12 insulated wire fed through two RF current baluns
    [ Hits: 2738 | Votes: 2 | Rating: 6.00 ]
Antennas : Dipole
  • T2FD, The Forgotten Antenna - The terminated. tilted, folded dipole T2FD is a little known antenna that performs excellently. Compact in size compared to a half­-wave dipole the T2FD provides signal gain, wide frequency coverage, and exceptionally low noise characteristics.
    [ Hits: 4674 | Votes: 3 | Rating: 8.33 ]
  • The Hairpin Monopole Antenna - Numerous questions have been raised concerning its performance, namely How can a balanced structure radiate? and What is its impedance? This article will attempt to answer these questions.
    [ Hits: 1395 | Votes: 2 | Rating: 8.50 ]
Antennas : Feed Lines
  • Tuning Your Antenna - Getting the best performance from your investment
    [ Hits: 1059 | Votes: 1 | Rating: 8.00 ]
Antennas : Helical
  • Axial-Mode Helical Antennas - Turn Helical Antennas Over Perfect Ground and Modeling Helices in NEC-2
    [ Hits: 1805 | Votes: 4 | Rating: 1.75 ]
  • Axial-Mode Helical Antennas - Notes on Axial-Mode Helical Antennas in Amateur Service. Helix Basics, Modeling Issues, and Short Helical Antennas Over Perfect Ground
    [ Hits: 1501 | Votes: 0 | Rating: 0.00 ]
Antennas : Indoor
  • Shortened antennas - Drawings of shortened antenna for indoor usage, using short pvc tubes for 2 , 20 and 40 MHz by f1rfm
    [ Hits: 5948 | Votes: 2 | Rating: 5.00 ]
Antennas : J-Pole
  • The DBJ-2 portable J-Pole - A Portable VHF-UHF Roll-up J-pole Antennam that resonates on both bands but actually performs as a half wave radiator on both bands
    [ Hits: 3879 | Votes: 4 | Rating: 7.00 ]
Antennas : Magnetic Loop
  • Hula Hoop Loop antenna - The concept of the "Hula Loop" came after many years of building medium wave loops of varying size, shape and performance. Usually these loops are constructed on a square wooden frame, with wire being wrapped around the periphery
    [ Hits: 2463 | Votes: 3 | Rating: 5.33 ]
  • 1.8 to 21 Mhz Magnetic Loop antenna - Magnetic loops are a compromise antenna and performance will be down on a full size-wire antenna particurlarly on lower HF Bands. This article compare this magnetic loop with a full-sized wire antenna on 80 meters by VK3YE
    [ Hits: 9502 | Votes: 15 | Rating: 6.53 ]
Antennas : Multiband Antennas : Portable
  • HB9MTN C-Pole Porable antenna - A vertical monoband that's small, light and portable, needs no counterpoise and performs as well as a home antenna
    [ Hits: 3767 | Votes: 7 | Rating: 8.43 ]
  • A Q&D Multiband Antenna - A brick, some PVC tubing and a few other common hardware store items can be transformed into an effective Quick and Dirty RF-launcher for less than $25! By Michael Atlas, N7FC
    [ Hits: 1523 | Votes: 0 | Rating: 0.00 ]
Antennas : Quad
  • The Grid Yagi for 144 Mhz - The Grid Yagi (or Grid Quad) is a high performance yagi antenna that can be built with readily obtainable inexpensive materials. Described here is a 6 element 2 meter version with a boom length of about 1 wavelength, shown
    [ Hits: 2261 | Votes: 2 | Rating: 5.00 ]
Antennas : Theory : Antenna Gain
  • Antenna Gain - How much gain ? This article help you on understanding how read antenna gain values in order to evaluate antenna performance
    [ Hits: 5193 | Votes: 9 | Rating: 5.00 ]
Antennas : Wire
  • D3 Antenna for Field Day - D3+ High Performance Antennas for Field Day. This article describes versatile broadband wire antennas. These antennas will double your effective radiated power over a dipole, will be easy and inexpensive to build and install, and will be simple to match.
    [ Hits: 2146 | Votes: 7 | Rating: 4.86 ]
Ham Radio : Blogs : Europe
  • Passion RadioAmateur 2.0 - French Blog about amateur radio and new technologies, Internet, Hyperfréquences (SHF), DX Radio et Contests, Antennas and Videos by F1JXQ
    [ Hits: 226 | Votes: 0 | Rating: 0.00 ]
Manufacturers : Antennas : GPS
  • Wholesale Parts of Florida LLC - Manufacturers of the world's most comprehensive and powerful line of antennas. TRAM antennas, CB VHF UHF Satellite Marine GPS antennas, masts and mounts.
    [ Hits: 2328 | Votes: 4 | Rating: 8.25 ]
Manufacturers : Antennas : HF
  • Big Hair's Antennas - High Performance, HF, CB, base and mobile antennas
    [ Hits: 664 | Votes: 1 | Rating: 10.00 ]
Software : Radio Control
  • SARtek - Universal antenna rotor interface
    [ Hits: 464 | Votes: 0 | Rating: 0.00 ]
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