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coax ant
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Antennas : 17M Antennas : 40M Antennas : 80M Antennas : Bazooka 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
- HC DX Feeding that antenna
- Avoid noise, boost performance: make a perfect coax feed line. The perfect feedline, How to install your antenna properly, How to get the best from your coax
[Hits: 2154 | Votes: 1 | Rate: 10.00] - Transmission Lines
- Whenever you choose a coax feedline, the frequency of operation is a very important consideration. Over the operating bandwidth of the coax the VSWR is low, typically 1.2:1 or better. Insertion loss is also an important parameter. It is usually specified in dB/foot and is a linear relationship.
[Hits: 1043 | Votes: 0 | Rate: 0.00] Antennas : Loop 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 : Antenna Gain Antennas : WiFi
- Build A Tin Can WiFi Antenna
- Build a tin can waveguide WiFi antenna in one hour. Then put it on a 18" inch direct tv dish. No coax signal loss. Use a USB device on antenna.
Complete instructions to build this powerful wlan antenna
[Hits: 8027 | Votes: 24 | Rate: 7.79] 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] Ham Radio : Personal Pages : Europe
- PA1CW Henk
- Contest, Antennas, Rotating Towers, Rotors, Guywires, CoaxHardlines, Specs and more
[Hits: 1415 | Votes: 44 | Rate: 7.45] 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 : Antennas : HF : Small & Stealth Antennas
- Antennas & More
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- Radio Amateur Antennas, Solar power, Antennas West products, Ham Radio gear, G5RV, Windom, Baluns, Wire, and Coax
[Hits: 30362 | Votes: 20 | Rate: 5.60] Manufacturers : Cable and Connectors
- Max-Gain Systems, Inc.
- Fiberglass for the antenna builder, Antenna Mart quads, Bandmaster quads, transmitting components, vacuum capacitors and relays, tower accessories, gin poles, remote RF coax switches, rotating side mounts, quad spreaders, quad parts, bristol wrenches, doorknob capacitors, transmitting electron tubes, and much more!
[Hits: 6000 | Votes: 8 | Rate: 7.43] 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] Operating Modes : Mobile : Bicycle
- Bicycling J-Pole 2-meter antenna
- An antenna for the 2-meter band, made by sliding coax insulator braid over a glass fiber bicycle safety flag pole
[Hits: 6547 | Votes: 4 | Rate: 4.75] Shopping and Services : Accessories
- AGL Ham Store
- Antennas, antenna towers, coax cables, lightining protection, wattmeters, power supplies and accessories dealer based in Texas
[Hits: 963 | Votes: 5 | Rate: 8.40] Shopping and Services : Ham Radio Stores
- M&P Audio
- We are a new Amateur radio dealer. We carry products from Alinco, Hustler, Ranger, Antenex, Heil Sound, LDG, Uniden, TE Systems, Coax, and Radio Accessories.
[Hits: 984 | Votes: 4 | Rate: 9.25] 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] Software : Antenna analysis
- ERP Calculator Plus
- ERP Calculator is an Amateur Radio software utility designed to perform a side-by-side comparison of two Ham Radio antenna systems. ERP Calculator comes pre-programmed with data files including published data for several popular brands and types of coax cable as well as several popular antenna system brands and models. ERP Calculator displays values of ERP, Antenna Power Gain, Antenna Feed point Power, Antenna System Gain in dB, Antenna Gain in dBd, SWR Attenuation in dB, SWR Power Attenuation, Coax Loss in dB, and Coax Power Loss
[Hits: 2237 | Votes: 8 | Rate: 4.50] 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] Technical Reference : Duplexers
- AA5TB Antenna Coupler / SWR Bridge
- Wire antennas requires a special coupling network to properly couple my 50 ohm coax to the antenna's high impedance (5000 ohms)
[Hits: 3674 | Votes: 2 | Rate: 9.50]
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