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Antennas : 160M- A Lowband Antenna that is Almost Free
- The Shunt-fed Tower, an effective Low Band Antenna, uses your beam as a capacitive top-hat and only needs a simple feed network and a good ground system to work DX on 80M and 160M.
[ Hits: 18744 | Votes: 4 | Rating: 7.75 ]
- Switchable Antenna 80/160 meters band
- A switchable antenna for 80/160 meters by IK1ZOY. A new version of a 1/4L 80 m. dipole modified for use in 160 m. band. using it's own coaxial cable feeder to wrap a coil.
[ Hits: 17195 | Votes: 6 | Rating: 5.5 ]
- HF Home made Balun
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- A balun is a device that is used at the feedpoint of a balanced antenna when an unbalanced feedline is desired to feed the antenna. Balun is a contraction for BALanced to UNbalanced.
[ Hits: 39397 | Votes: 30 | Rating: 5.91 ]
- The Double Bazooka Antenna
- The Double Bazooka Dipole is a very efficient single band antenna which is very quite, and does not require the use of a balun. This antenna consists of coax (RG58) or other 50 ohm type with the shield split at the center and the feedline attached to the open ends
[ Hits: 8171 | Votes: 4 | Rating: 8.25 ]
- Beverage Antenna Construction
- Types of beverage wires, choose best supports and insulators, multiple antennas at one feedpoint, all well documented with photos and exaustive explanation.
[ Hits: 15515 | Votes: 9 | Rating: 8.45 ]
- 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: 1272 | Votes: 0 | Rating: 0 ]
- Feeding the Beast
- Transferring Radio Frequency Energy from Your Transmitter to Your Antenna by Don Keith N4KC
[ Hits: 521 | Votes: 1 | Rating: 10 ]
- The 5 Bands Wire-Beam
- This wire-beam has one radiator-element, feeded with 450-Ohm-Wireman-twinlead and needs an antenna-tuner. For the bands 6m, 10m, 12m, 15m, 17m and 20m bended reflector-elements are used.
The support is a cross of 4 fibreglass-fishing-rods
[ Hits: 5647 | Votes: 2 | Rating: 7 ]
- Assembly of the Lightningbolt Quad
- One of the best antenna values on the market is the LightningBolt Quad. At about half the cost of a tri-band yagi, you get five band coverage with a single coax feedline and excellent performance from a light, low wind load antenna.
[ Hits: 3748 | Votes: 10 | Rating: 6.8 ]
- All HF Band Antennas
- F6ITV consideration on HF Antennas, from trap wired anternnas, to center feed antennas.
[ Hits: 1516 | Votes: 0 | Rating: 0 ]
- T-Match Construction
- The T-Match with its balanced feed point is one method of feeding a Balanced Dipole.
[ Hits: 763 | Votes: 0 | Rating: 0 ]
- N4EKV.COM - Antenna Tuners
- Homebrew balanced-L antenna tuner.
Covers 160-10m. Designed specifically for balanced feedlines.
[ Hits: 4727 | Votes: 2 | Rating: 10 ]
- VHF/UHF Yagi Antenna Design
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- Design your VHF UHF Yagi antenna online, a JavaScript enhanced web page that implements the design of an antenna for 2m and 70cm bands. This page offers a streamlined experience for Yagi antenna design enthusiasts. It assumes prior knowledge of Yagi design principles, minimizing distractions with a user-friendly interface. Equipped with essential equations, it provides instant design feedback. Red font warnings indicate design limitations, ensuring practical results. Constraints include Gain (11.8-21.6 dBd) and Boom Length (2.2-39 wavelengths), with additional frequency-dependent restrictions noted in input fields.
[ Hits: 147401 | Votes: 1105 | Rating: 6.95 ]
- KB3KAI David stansbury
- David stansbury kb3kai, amateur radio site with live harford county weather feeds, ham technical info, blog and more
[ Hits: 321 | Votes: 1 | Rating: 10 ]
- New York Hudson Falls live scanner
- Live feed from Warren county fire dep. radio
[ Hits: 2301 | Votes: 2 | Rating: 7.5 ]
- ScannerBuddy.com
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- Directory of emergency scanners pinpointed by location on a map of the US with direct feeds
[ Hits: 37789 | Votes: 62 | Rating: 5.33 ]
- Tucson-area police radio scanner
- Launch the StarNet radio scanner to listen to Tucson-area police, fire and other agencies radio transmissions.
[ Hits: 11794 | Votes: 45 | Rating: 6.08 ]
- Boston Fire Department Live
- Listen to Boston Fire Department live scanner feed
[ Hits: 16955 | Votes: 83 | Rating: 5.65 ]
- New York Long Island Scanner Pages
- New York / Long Island Scanner forums, chat, and live scanner feeds of Nassau County Fire Departments. Site registration is needed to listen to the live feeds
[ Hits: 17058 | Votes: 30 | Rating: 4.73 ]
- IK-Telecom
- The official web-site of the firm IK-Telecom, Finland, manufacturer of base station antenna-feeder systems
[ Hits: 831 | Votes: 0 | Rating: 0 ]
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