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l antennas

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• Crossfire Phasing - Phased antennas elements use radiated fields from multiple elements to produce nulls.
  [ Hits: 1189 | Votes: 3 | Rating: 9.33 ]

• RF in shack with vertical and longwire antennas - Why a vertical antenna or longwire antenna might require a balun
  [ Hits: 4800 | Votes: 5 | Rating: 7.6 ]
• WB6ZQZ 3 in 1 Balun - Builing a triple ration balun, that match resonant antennas from 9 ohms to 75 ohms with 1.5:1 or less SWR
  [ Hits: 6490 | Votes: 7 | Rating: 7 ]

• Antenna Transmatch Tips - Tips on tuning antennas using Antenna Tuning Units also called ATU. This article explains the functions and ills of tuners, along with some guide- lines for building an ATU.
  [ Hits: 3313 | Votes: 5 | Rating: 6.4 ]

• Choke balun - Essentially, a choke balun is designed to 'divorce' your antenna from the feed line. if your feed line is coaxial cable then you don't want it to be part of your antenna. you want to be able to deliver all your power to the radiator itself, i.e. 'the antenna'. a choke balun does this admirably
  [ Hits: 575 | Votes: 11 | Rating: 7.27 ]

• A Horn Antenna for 2.4 GHz. - This Antenna is not really practical for AO-40 reception, but horn antennas have a number of qualities useful in microwave antenna testing and noise figure measurements.
  [ Hits: 10958 | Votes: 32 | Rating: 3.82 ]

• Design your Own Super J Pole - a Javascript for calculating the lengths of tubing to be used for the construction of a Super J-Pole.
  [ Hits: 7849 | Votes: 14 | Rating: 5.29 ]

• ARRLWeb: Loop Antenna - Loop antennas articles with restricted access to arrl members
  [ Hits: 2061 | Votes: 1 | Rating: 10 ]

• Loading inductors in mobile antennas - Mobile antennas, loading coil current, and loaded antennas. efficiency and electrical rules. Loading inductors used in mobile HF antennas.
  [ Hits: 4287 | Votes: 5 | Rating: 5 ]
• HFPack: pedestrian antennas - A pedestrian antenna is considered to be a lightweight antenna that can easily be carried to the shootout by one person in a backpack or bag.
  [ Hits: 4967 | Votes: 4 | Rating: 8.75 ]

• Portable HF antennas - Excel sheet containing technical comparisons of commercial HF portable antennas compiled by ON4SKY. Includes pictures, manufacturer, db gain, band coverage, F/B ratio, price, weight and dimensions.
  [ Hits: 2977 | Votes: 1 | Rating: 10 ]

• Trap antennas, coaxial trap, coax dipole antenna loss resistance - Testing and comparison of traps and trap antennas
  [ Hits: 3166 | Votes: 4 | Rating: 9.5 ]

• 802.11b Homebrew WiFi Antenna Shootout  ^pop - Guide to homebrew your wifi antenna, using a tin can, in this cases using a pringles can. This antennas are also known as cantenna and let you spread your wifi signal.
  [ Hits: 71701 | Votes: 62 | Rating: 6.59 ]
• Slotted Waveguide 802.11b WLAN antennas - 802.11b WLAN Waveguide Antennas Unidirectional & Omnidirectional. High gain, Simple construction by Trevor Marshall
  [ Hits: 6445 | Votes: 18 | Rating: 7.16 ]
• Building Helical Antennas - Seattle Wireless  ^pop - Photos and comments on building an helical antenna for wifi
  [ Hits: 30456 | Votes: 6 | Rating: 8.33 ]
• WK8L's ATV Page - Includes links and documentation on wifi antennas, 2.4 GHz Coffee Can Feed Antennas
  [ Hits: 3545 | Votes: 4 | Rating: 5 ]

• Cebik antennas and limited space dipoles - An analysis of the cebik dipole and other small limited space dipoles fed with open wire ladder line.
  [ Hits: 2827 | Votes: 3 | Rating: 9.33 ]

• A two element yagi beam - Simple gain antennas for the beginner, a 2 element HF yagi antenna
  [ Hits: 4818 | Votes: 9 | Rating: 5.78 ]

• ARRLWeb: Automobile - Hams have been putting stations in their cars since the Twenties. Today, there is great satisfaction in facing the challenge of installing a transceiver in our small cars and pick-ups, using somewhat inefficient antennas
  [ Hits: 855 | Votes: 2 | Rating: 10 ]
• HFPack - HFpack provides an information exchange about transceivers, antennas, systems, HF packs, propagation, new developments and techniques in HF portable operation. Radio Amateurs are invited to participate in egroup and on-the-air nets around the world.
  [ Hits: 738 | Votes: 4 | Rating: 10 ]

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