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Antennas : Feed Lines
- Setting the SWR of Your Antenna
- SWR (standing wave ratio), is a measurement of how efficiently your antenna system will radiate the power available from your radio. In simple terms, your radio would like to radiate all of its power, but can only do so if the other components cooperate
[ Hits: 1154 | Votes: 0 | Rating: 0.00 ]
- Build An LF Antenna Analyzer
- A Portable Low Frequency Antenna Analyzer, For those of us who like to play with antennas on the ham bands, one of the handiest tools to have around the shack is an "antenna analyzer". These gadgets combine a signal generator and standing-wave ratio (SWR) sensor in a small battery-powered unit.
[ Hits: 4385 | Votes: 2 | Rating: 5.00 ]
- Understanding Standing Wave Ratios SWR
- We worry a lot about Standing Wave Ratio (SWR) in amateur radio since SWR is one indication of how well our antenna system is working. Most HF transceivers and antenna tuners have built in SWR meters. SWR is a measure of a transceiver'
s output power verses the portion of that power reflected by the antenna system
[ Hits: 8292 | Votes: 8 | Rating: 4.75 ]
- Workman Electronics
- Amateur radio accessories, power supplies, tvi filters, speakers, microphones, swr meters, preamplifiers, switches, cable and connectors,
[ Hits: 3478 | Votes: 3 | Rating: 5.33 ]
- Comet Antennas
- NGC is now distributor for COMET and MALDOL brand antenna products designed, manufactured in Japan. Distributor of DAIWA brand RF SWR/power meters and switching power supplies, antennas, test equipment, antenna analyzers and more
[ Hits: 21591 | Votes: 34 | Rating: 5.69 ]
- Diamond Antenna
- 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: 39496 | Votes: 41 | Rating: 6.77 ]
- Daiwa Industry, maker of power suppliers, coax cable and antenna switches, power meters, SWR meters, DC-DC converters
[ Hits: 3140 | Votes: 7 | Rating: 7.79 ]
- MaCo Antennas
- Maco Manufacturing, HF Antennas, gamma matches, cable assemblies, power supply, swr meters, watt meters
[ Hits: 12345 | Votes: 27 | Rating: 7.07 ]
- A & A Engineering
- Smart Battery Chargers, WeatherFAX, Color SSTV,GPS-Based Frequency Standard, Power/SWR Meter,
, Digital Frequency Synthesizers
[ Hits: 1515 | Votes: 1 | Rating: 1.00 ]
- Zetagi CB amplifiers, 10m amplifiers and accessories, power supplies, microphones, SWR and power meters, battery charges manufacturers based in Italy
[ Hits: 25789 | Votes: 70 | Rating: 5.59 ]
- AEA Technology Inc. is a pioneer and leading manufacturer of RF and cable test equipment for the wireless, Telco, CATV, NMR & MRI, RFID, telemetry, aviation, commercial, military, and two-way radio industries. Produces SWR Meters, Pre Amplifiers, filters, power meters and antenna testing products
[ Hits: 5832 | Votes: 9 | Rating: 4.56 ]
- WaveNode Precision Station Monitoring
- The WaveNode WN-1 is a precision, full-featured Amateur Radio Station Monitoring System which now includes Audio Announcing for RF power, SWR, and DC monitoring using HF and UHF remote sensors.
[ Hits: 682 | Votes: 5 | Rating: 8.80 ]
- Autek Research
- Autek Research make three models of RF Analysts, power and swr meters
[ Hits: 3959 | Votes: 14 | Rating: 7.07 ]
- AEA - Wireless software
- AEA Wireless Director Software Series turns PC's (running Windows 95/98/2000/ME or NT) into powerful tools that expand the use and power of SWR, Return Loss and Complex Impedance Analyzers.
[ Hits: 2533 | Votes: 6 | Rating: 5.00 ]
- 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: 2797 | Votes: 9 | Rating: 5.11 ]
- SWR Calculator
- Computes the Standing Wave Ratio, given the power readings on a line.
[ Hits: 1868 | Votes: 15 | Rating: 4.80 ]
- XLZIZL by AC6LA
- XLZIZL is an Excel application that analyzes the components of an antenna feed system, including transmission lines, stubs, baluns, and tuners. Calculations include impedance transforms, SWR and reflection coefficient, power loss, voltage and current standing waves, stress on tuner components, network attenuation (S21), and return loss Analysis results are available in worksheet format and in five different chart formats, including Smith charts.
[ Hits: 1383 | Votes: 2 | Rating: 1.50 ]
- HAMIC - The Ham Intelligent Calculator
- HAMIC, is a program designed to simplify a number of calculations commonly used by HAMs. It is designed for the HAM radio hobbyist, but may be useful to others as well. HAMIC has a simple to use, but powerful graphical interface that allows solving simple circuits such as resistors in series or parallel, or more complex circuits such as L networks or T networks. As well, other calculations such as SWR and reactance conversions are supported. Windows shareware.
[ Hits: 1624 | Votes: 2 | Rating: 5.50 ]
- SWR Mega - SWR Power Meter
- SWR and RF power meter for home usage, 8 different RF probes with different characteristics and power ranges by OK1DX
[ Hits: 3736 | Votes: 7 | Rating: 10.00 ]
- SWR bridge
- This SWR bridge works by sampling the amount of power flowing in each direction along the aerial feeder.
[ Hits: 2151 | Votes: 2 | Rating: 1.00 ]
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