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axial antenna
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Antennas : 17M Antennas : 30M Antennas : 40M
- 40 Meter coaxial antenna
- An antenna for 40 meter band made entirely of coaxial cable either RG58 or RG59 Au.
[Hits: 4243 | Votes: 2 | Rate: 7.50] Antennas : 80M Antennas : Bazooka
- Double bazooka coaxial dipole antenna
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- From WH2T Dr Ace's Double Bazooka Coaxial Dipole
[Hits: 41230 | Votes: 48 | Rate: 5.96] - Build a Double Bazooka HF antenna
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- Build a double bazooka coaxial dipole, broad-band dipole antenna
[Hits: 23681 | Votes: 15 | Rate: 4.87] - The Bazooka antenna
- The Bazooka-antenna was developed by the staff of M.I.T. for radar use. The original Bazooka used coaxial cable for the entire radiating elements.
[Hits: 3617 | Votes: 3 | Rate: 6.67] - The Bazooka Antenna
- Notes on bazooka antennas by Katunk: a portable field antenna, sometimes called the double bazooka or a coaxial antenna.
[Hits: 3707 | Votes: 4 | Rate: 7.00] - The Broadband Double-Bazooka
- The Broadband Double-Bazooka Antenna — How Broad Is It? 18-1. (Adapted from Technical Correspon- dence, QST, September 1976) The increasing interest in using the coaxial dipole.
[Hits: 3930 | Votes: 2 | Rate: 6.50] Antennas : EH
- EH antenna power lost considerations
- Out of Balance Current or Longitudinal Mode Current in the Coaxial Cable causes radiation from the coax. But how large a proportion of the total power is radiated or lost from this Current?
[Hits: 1062 | Votes: 1 | Rate: 4.00] Antennas : Feed Lines : Choke
- Choke balun
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- 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: 19696 | Votes: 9 | Rate: 7.67] Antennas : Helical
- The Gain of the Axial-Mode Helix Antenna
- by Dr. D.T. Emerson, National Radio Astronomy Observatory (NRAO++). Antenna Compendium Volume 4, pp 64-68, 1995, published by the ARRL.
[Hits: 2140 | Votes: 5 | Rate: 3.20] - Helical Antenna Calculator
- This is my simple implementation of the ARRL Antenna Book design equations for the axial-mode helical antenna.
[Hits: 2488 | Votes: 15 | Rate: 5.07] - QFH antenna for weather satellite band
- This article describes how to make a quadrifilar helix (QFH) antenna easily, from inexpensive materials: uPVC plumbing pipe and RG-58U co-axial cable
[Hits: 3240 | Votes: 15 | Rate: 5.40] Antennas : Homebrewing Techniques
- How To Build A Stacking Harness
- How to build a home brew coax harness for co-phasing
and/or stacking 2 50 Ohm antennas, includes a table with velocity factor of common coaxial cables
[Hits: 1969 | Votes: 5 | Rate: 5.40] Antennas : Receiving
- 160/80m Coaxial Receiving Loop Antennas
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- Receiving loop antenna for top band. This antenna allow to reduce noise on both bands. The stand alone 80m loop is approximately four feet in diameter. And made of light weight material. Which makes it ideal for portable use or you can mount it above a pre-existing vhf antenna, and due to it's small size it is quite rotatable.
[Hits: 51687 | Votes: 47 | Rate: 5.88] Antennas : Stealth
- Cheap antenna to make from 160m - 6m
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- The antenna is nothing more than a simple 2.4 metre square loop drawing pinned to the internal brick wall of the spare bedroom. Yep, thats right, the inside wall of the spare bedroom - ideal for flat dwellers, hotel rooms or whinging neighbours, The loop has a simple switched inductance at the top of the square loop and uses a simple coaxial stub to tune the antenna. An additional variable capacitor placed across the feedpoint can be used to fine tune the resonance of the antenna, by Andy G0FTD
[Hits: 33038 | Votes: 11 | Rate: 8.00] Antennas : Theory Antennas : Traps Contesting : Hardware
- Top Ten Devices
- Automatic band decoder, six way antenna relay, band reject coaxial stubs and more
[Hits: 1138 | Votes: 0 | Rate: 0.00] Manufacturers : Amplifiers
- SSB Electronic USA
- manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.
[Hits: 6402 | Votes: 5 | Rate: 7.00] Manufacturers : Antennas : HF : Dipole Antenna
- Alpha Delta Communications
- Manufacturers and distributors of coaxial surge protectors, coaxial switches, HF fixed wire antennas
[Hits: 2275 | Votes: 1 | Rate: 4.00] Manufacturers : Wattmeters
- Diamond Antenna
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- Base station and repeater antennas, mobile antennas, ,multi-band HF antennas , handheld transceivers, receiving and scanner antennas, power meters, swr meters, power supplies, coaxial switches
[Hits: 35548 | Votes: 32 | Rate: 4.64] Shopping and Services : Kits and Components
- Radiodan - W7RF
- BIRD RF power measuring, new and used, HENRY RF power amplifiers (used HF amps), TOHTSU coaxial relays, SAMLEX power supplies, RFI chokes reduce interference, Parts parts, tubes, Used amplifiers, radios, antennas and accessories, Los Angeles, CA.
[Hits: 1316 | Votes: 3 | Rate: 10.00] Technical Reference : Coax Cables and Connectors
- RF Coaxial Connectors
- RF coax(ial) connectors are a vital link in the radio spectrum. Coax connectors are often used to interface two units such as the antenna to a transmission line, a receiver or a transmitter. The proper choice of a coax connector will facilitate this interface.
[Hits: 3541 | Votes: 0 | Rate: 0.00]
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