antennas

antennas

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• Crossfire Phasing - Phased antennas elements use radiated fields from multiple elements to produce nulls.
  [ Hits: 1186 | Votes: 3 | Rating: 9.33 ]

• 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: 3310 | 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: 572 | 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: 10953 | 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: 7839 | Votes: 14 | Rating: 5.29 ]

• ARRLWeb: Loop Antenna - Loop antennas articles with restricted access to arrl members
  [ Hits: 2059 | 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: 4285 | Votes: 5 | Rating: 5 ]

• 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: 2963 | Votes: 1 | Rating: 10 ]

• 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: 71679 | 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: 6442 | Votes: 18 | Rating: 7.16 ]
• Building Helical Antennas - Seattle Wireless  ^pop - Photos and comments on building an helical antenna for wifi
  [ Hits: 30412 | Votes: 6 | Rating: 8.33 ]
• WK8L's ATV Page - Includes links and documentation on wifi antennas, 2.4 GHz Coffee Can Feed Antennas
  [ Hits: 3544 | 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: 2822 | Votes: 3 | Rating: 9.33 ]

• Bozak Antennas - VHF, UHF, FM, Base & Mobile antennas
  [ Hits: 3048 | Votes: 11 | Rating: 7.09 ]

• Hy Power Antenna Company - Full size or shortened dipoles, Single band or Multi band, Half Square Antennas, Fan Dipole Antennas, Delta Loop Antennas, Antennas completely assembled Loading coil packages, delta loops
  [ Hits: 5443 | Votes: 8 | Rating: 9.13 ]

• K4TR Antennas - K4TR Manufacture and sell simple dipoles, half square 2 wire phased vertical arrays, end fed zepp antennas, G5RV antennas. 1:1 baluns
  [ Hits: 4407 | Votes: 8 | Rating: 7.88 ]

• CAL-AV Labs, Inc. - Cal-av labs, inc. (formerly california avionics laboratories, inc.) manufactures electronic instruments and systems for research and industry. we specialize in radio communications and research/electronic test products. Amateur radio yagi antennas, rotary dipoles, baluns, morse keys.
  [ Hits: 2117 | Votes: 0 | Rating: 0 ]

• National RF, Inc. - National rf provides consulting engineer services, and manufactures direction finding antennas, test equipment, communications receiving equipment and adjuncts, satellite antennas, voice amplification and audio equipment.
  [ Hits: 786 | Votes: 0 | Rating: 0 ]

• Rotating Tower Systems - Using our components you can build a rotating tower with greater capability than 3-4 static towers. A rotating tower allows common rotation of HF stacked arrays, VHF and UHF arrays, and antennas mounted at optimum heights. Component design also allows tower shunt loading and end support for wire antennas
  [ Hits: 1366 | Votes: 3 | Rating: 6.33 ]

• DDS Data-Communicatie - Dds data- communication Data and Tele-Communication Solutions: UMTS GSM GPRS Telemetry programmers Adeunis RF systems, antennas, radio transmission modules, oscilloscopes GPS and coax cables dealer in Holland
  [ Hits: 1045 | Votes: 0 | Rating: 0 ]

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