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l antennas

1356 links - and 47 categories

Antennas : Antenna Calculators
  • Calculate safety distance from your antenna - ICNIRP is a calculator software that allows you to determ safety distances for many know amateur radio antennas with respect to ICNIRP limits developed by DL9KCE
    [ Hits: 857 | Votes: 2 | Rating: 4 ]
Antennas : Baluns
  • When and Where to Use Baluns - Baluns are usually used by Hams to feed dipole antennas with 50 ohm coax and to transpose from ladder line feeding a multi-band antenna to the unbalanced input of an antenna tuner.
    [ Hits: 1407 | Votes: 8 | Rating: 7.75 ]
Antennas : J-Pole
  • Mast Mountable J-Pole Antenna - An interesting article on how to make copper cactus J-Pole antennas
    [ Hits: 872 | Votes: 6 | Rating: 6.83 ]
  • 3 band J-Pole Antenna - Pictures of a 2 meter, 220, 440 copper J-Pole antennas
    [ Hits: 2416 | Votes: 12 | Rating: 6.08 ]
  • Improving the Super-J - The collinear J-Pole, often known as the Super-J, does improve the behavior over a regular J-Pole. As many attest, there is an advantage when vertically combining 1/2 radiating sections to have a bit of separation between the half-wave end points. The Super-J has very little separation between the two half-wave radiators.
    [ Hits: 916 | Votes: 2 | Rating: 5.5 ]
Antennas : Log Periodic
  • Log Periodic Antenna - An article explaining features and characteristics of amateur radio log periodic antennas
    [ Hits: 408 | Votes: 1 | Rating: 8 ]
Antennas : Receiving
  • Homebrew Bicone Antenna Project - Homebrewing a vhf bicone antenna with 8 clothes hangers and 4 feet of Sch40 non-metallic rigid conduit
    [ Hits: 522 | Votes: 1 | Rating: 6 ]
Antennas : Satellite Antennas : Theory
  • Designing Vertical Aerials - If you want to design vertical antennas you can find all theory and formulas used to model a vertical aerial calculating capacitance, reactance, building the inductor and calculating resistances. Includes an excel spreadsheet to calculate efficiency.
    [ Hits: 541 | Votes: 0 | Rating: 0 ]
Antennas : Wire
  • Wire antennas for ham radio - A collection of drawings of most popular wire antennas for hf ham radio bands
    [ Hits: 721 | Votes: 2 | Rating: 10 ]
Ham Radio : Personal Pages : Europe : Italy
  • IU5HIV Maurizio Personal Page - Italian amateur radio station. Projects, programs, antennas for radio amateurs.
    [ Hits: 201 | Votes: 1 | Rating: 10 ]
Manufacturers : Antennas : HF
  • Maxcon Antennas - Maxcon makes and sells Amateur Radio Antennas. Double extended Zepp antenna, multiband dipoles, bazooka antennas, and VHF Jpole, made in USA
    [ Hits: 340 | Votes: 2 | Rating: 4.5 ]
Operating Modes : EME
  • Antennas for 23cm EME - What is the smallest dish for serious 23cm CW EME operation?
    [ Hits: 361 | Votes: 0 | Rating: 0 ]
Operating Modes : Portable Operations
  • Portable Amateur Radio Operations - The main issues with portable HF operations have become not issues of the transmitting and receiving equipment itself but of providing power and antennas
    [ Hits: 435 | Votes: 2 | Rating: 5.5 ]
Radio Equipment : HF Amplifiers : Acom 1000
  • Mod for Acom 1000 amplifier - The problem originates by improper TXOUT-to-RF timing (RF transmission exists still after a TX-EN prohibition), combined by too long decay of their CW pulses.
    [ Hits: 406 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Portable Antenna : Super Antennas MP-1
  • Superantennas MP-1 review - A review of the Superantennas MP-1 portable HF antenna
    [ Hits: 563 | Votes: 2 | Rating: 7.5 ]
  • Elevated MP-1 Antenna - A test with a superantenna MP-1 on a tripod operating HF bands on 40 20 and 17 meters band
    [ Hits: 412 | Votes: 1 | Rating: 8 ]
Radio Equipment : HF Portable Antenna : TransWorld Antennas TW2010
  • TW Antennas Assembly - TransWorld Antennas TW2010 Traveler HF Portable Vertical Antenna setup instructions
    [ Hits: 565 | Votes: 0 | Rating: 0 ]
  • TW4040 Manual - PDF manual of the TW4040 The Adventurer MonobanderTM TransWorld Antennas
    [ Hits: 565 | Votes: 0 | Rating: 0 ]
  • TW2010L Manual - TW2010L The Adventurer Lite TransWorld Antennas instruction manual PDF file
    [ Hits: 393 | Votes: 2 | Rating: 5 ]

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