l antennas

l antennas

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• Short Top Band Antenna - A shortened 160 meters band antenna for hams who do not have 260 ft of space, based on a open-wire-fed short dipoole
  [ Hits: 1572 | Votes: 2 | Rating: 10 ]

• 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: 917 | Votes: 2 | Rating: 4 ]

• When and Where to Use Baluns  ^updated - 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: 1491 | Votes: 9 | Rating: 7 ]

• Mast Mountable J-Pole Antenna - An interesting article on how to make copper cactus J-Pole antennas
  [ Hits: 949 | Votes: 7 | Rating: 7.28 ]
• 3 band J-Pole Antenna - Pictures of a 2 meter, 220, 440 copper J-Pole antennas
  [ Hits: 2561 | 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: 966 | Votes: 2 | Rating: 5.5 ]

• Log Periodic Antenna - An article explaining features and characteristics of amateur radio log periodic antennas
  [ Hits: 439 | Votes: 1 | Rating: 8 ]

• Homebrew Bicone Antenna Project - Homebrewing a vhf bicone antenna with 8 clothes hangers and 4 feet of Sch40 non-metallic rigid conduit
  [ Hits: 546 | Votes: 1 | Rating: 6 ]

• Cheap Antennas for LEO Satellites - Cheap Antennas for the AMSAT LEO Kent Britain WA5VJB
  [ Hits: 1597 | Votes: 2 | Rating: 5 ]

• 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: 569 | Votes: 0 | Rating: 0 ]

• Wire antennas for ham radio - A collection of drawings of most popular wire antennas for hf ham radio bands
  [ Hits: 738 | Votes: 2 | Rating: 10 ]

• IU5HIV Maurizio Personal Page - Italian amateur radio station. Projects, programs, antennas for radio amateurs.
  [ Hits: 225 | Votes: 2 | Rating: 10 ]

• Maxcon Antennas - Maxcon makes and sells Amateur Radio Antennas. Double extended Zepp antenna, multiband dipoles, bazooka antennas, and VHF Jpole, made in USA
  [ Hits: 373 | Votes: 2 | Rating: 4.5 ]

• 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: 482 | Votes: 2 | Rating: 5.5 ]

• 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: 491 | Votes: 0 | Rating: 0 ]

• Superantennas MP-1 review  ^updated - A review of the Superantennas MP-1 portable HF antenna
  [ Hits: 593 | Votes: 3 | Rating: 8.33 ]
• 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: 434 | Votes: 1 | Rating: 8 ]

• TW Antennas Assembly - TransWorld Antennas TW2010 Traveler HF Portable Vertical Antenna setup instructions
  [ Hits: 639 | Votes: 0 | Rating: 0 ]
• TW4040 Manual - PDF manual of the TW4040 The Adventurer MonobanderTM TransWorld Antennas
  [ Hits: 610 | Votes: 0 | Rating: 0 ]
• TW2010L Manual - TW2010L The Adventurer Lite TransWorld Antennas instruction manual PDF file
  [ Hits: 434 | Votes: 2 | Rating: 5 ]

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