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Antennas Antennas : Feed Lines
- Feeding the Beast
- Transferring Radio Frequency Energy from Your Transmitter to Your Antenna by Don Keith N4KC
[Hits: 272 | Votes: 1 | Rate: 10.00] - Where Does the Power Go
- An Energy Analysis at an Impedance Discontinuity in an RF Transmission Line
[Hits: 498 | Votes: 3 | Rate: 10.00] Antennas : Magnetic Loop
- HB9ABX Felix
- Ham Station description of HB9ABX and CE3CWF, magnetic loop antenna details, Free Energy devices, Pictures from Switzerland and Chile.
[Hits: 9277 | Votes: 109 | Rate: 6.53] - Thinking about Ideal Loops
- Loop antennae have been used from ELF to UHF since the beginning of radiocommunications. At low frequencies, the main problem for loop antennae is to have enough sensitivity; the antenna being very small respect to the wavelength the collected energy is also small. To increase the output level the loop may be made resonant, so loosing it%u2019s intrinsic aperiodic characteristics.
[Hits: 1338 | Votes: 0 | Rate: 0.00] CB Radio : Personal Pages Ham Radio : ARES RACES
- Energy line 2000
- Solar power, biodiesel fuels, wind energy, streaming video, articles, news, and more.
Renewable Energy and Emergency Communications by Terry McGleish
[Hits: 294 | Votes: 0 | Rate: 0.00] Manufacturers : Accessories
- Maha / Powerex
- Portable electronics, amateur radio, pro audio and digital cameras batteries, chargers and conditioners.
[Hits: 649 | Votes: 0 | Rate: 0.00] Manufacturers : Alternative Power
- Sunelco
- Solar and wind energy products, Water Pumping, Hydro power solution, chargers inverters, batteries, Hydrogen Fuel Cells
[Hits: 226 | Votes: 0 | Rate: 0.00] - Real Goods
- Sale and service of renewable energy products in the world. Solar panels.
[Hits: 150 | Votes: 0 | Rate: 0.00] - SES Flexcharge
- Ultra High Efficiency Alternative Energy System Controllers
[Hits: 133 | Votes: 0 | Rate: 0.00] - Southwest Windpower
- Producer of small wind generators and renewable wind energy products
[Hits: 154 | Votes: 0 | Rate: 0.00] Manufacturers : Alternative Power : Solar Panels
- Sunlight Energy Systems
- Sunlight Energy Systems provides charge solar controllers and power supply products for amateur radio applications and solar panels usage
[Hits: 1487 | Votes: 2 | Rate: 10.00] - Atlantis Energy Systems, Inc.
- Manufacturer of Building Integrated Photovoltaic (BIPV) products with european and north america dealers
[Hits: 731 | Votes: 0 | Rate: 0.00] Manufacturers : Alternative Power : Wind Generators
- Energy Maintenance Service
- Full service provider of high quality, cost effective products and services to the North American wind industry with an emphasis on Construction, Operations & Maintenance.
[Hits: 149 | Votes: 0 | Rate: 0.00] - Fortis Wind Energy
- Fortis is the world leader in design and manufacturing of high performance stand alone and grid connected wind turbines in the range from 800 watt up to 10 kw.
[Hits: 210 | Votes: 0 | Rate: 0.00] Manufacturers : Cable and Connectors
- General Cable Home Page
- Leader in the development, design, manufacture, marketing and distribution of copper, aluminum and fiber optic wire and cable products for the energy, industrial, specialty and communications markets
[Hits: 348 | Votes: 1 | Rate: 10.00] Manufacturers : Towers and Accessories Operating Modes : Radio Direction Finding
- A new method of radio direction finding
Priority listing
- A method of finding radio sources with antennas based on omni-directionality (the less directional the better coverage). Uses energy levels and some sophisticated math (encompassed in a free software download on the site) to find x,y,z coordinates of the fox relative to the center of your antenna array. Can be overlayed on a GPS map to help you locate in real-time.
[Hits: 1744 | Votes: 1 | Rate: 10.00] Shopping and Services : Alternative Power
- AEE Solar
- Wholesale distributor of alternative power products, solar panels
[Hits: 198 | Votes: 1 | Rate: 1.00] Shopping and Services : Electronic Components
- Electronic Goldmine
- Electronic components dealer, semiconductors, switches, leds, motors, solar energy, ferrites, toroids, capacitors, batteries, jacks and plugs, microphones, meters, power supplies, speakers, transformers, wire and more
[Hits: 986 | Votes: 2 | Rate: 9.50] Software : DSP
- FreqTweak
- FreqTweak is a tool for FFT-based realtime audio spectral manipulation and display for Linux. It provides several algorithms for processing audio data in the frequency domain and a highly interactive GUI to manipulate the associated filters for each. It also provides high-resolution spectral displays in the form of scrolling-raster spectrograms and energy vs frequency plots displaying both pre- and post-processed spectra.
[Hits: 879 | Votes: 3 | Rate: 9.00] Technical Reference : Alternative Power
- Small Wind
- Advice from an Expert features some of Mick's Windletter articles on a variety of wind energy topics.
[Hits: 372 | Votes: 1 | Rate: 2.00] Technical Reference : Radio Frequency Interference
- Safety: RF awarness guidelines
- Although Amateur Radio is basically a safe activity, in recent years there has been considerable discussion and concern about
the possible hazards of electromagnetic radiation (EMR), including both RF energy and power frequency (50-60 Hz) electromagnetic fields. This section summarizes what is now known and offers safety precautions based on the research to date.
[Hits: 384 | Votes: 0 | Rate: 0.00] Technical Reference : Radio Frequency Interference : BPL
- Are you ready for BPL
- Broadband over power lines (BPL) is a technique for transmission of high speed data (broadband Internet) over powerlines. Access BPL technology injects radio frequency energy into powerlines which were not designed for transmission of radio frequency energy, and leak substantial energy that causes interference to radiocommunications service
[Hits: 444 | Votes: 0 | Rate: 0.00]
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