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tem cell
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Antennas : Baluns Antennas : Moxon
- MOXON Antenna Project
- The MOXON antenna can provide radio amateurs with an excellent antenna system that is easy to homebrew and usually does not require any adjustment if made according to the dimensions specified by its designer. A typical MOXON rectangle can be built in a few hours, using X type of spreaders arrangement as discussed on this web site.
[Hits: 3399 | Votes: 7 | Rate: 9.14] Antennas : Theory
- Local QRM reduction
- It is not always possible to tackle the sources of local QRM. What remains is trying to reduce the noise level by means of your antenna system.
Learn how to reduce QRM and understand how cancell noises by PA0SIM
[Hits: 577 | Votes: 0 | Rate: 0.00] - Interference Cancelling System
- The use of interference signal cancellation has been around for some time. The idea is to use an auxiliary antenna almost any random length of wire in addition to the main receiving antenna
[Hits: 1461 | Votes: 1 | Rate: 3.00] Manufacturers : Accessories
- TX RX Systems Inc
- TX RX Systems Inc. manufactures signal boosters, rf antennas, transmitter combiners, cell enhancers, land mobile radios, duplexers, receiver multicouplers, bidirectional amplifiers, bda, rf amplifiers, rf filters, rf cavity filters, rf combiners, rf components, in building rf coverage, repeaters, repeater amplifiers, rf management equipment, rf systems, and rf solutions. TX RX Delivers Reliable Solutions.
[Hits: 1057 | Votes: 4 | Rate: 4.75] Manufacturers : Alternative Power : Solar Panels
- Kvazar
- Manufacturer of photovoltaic cells, solar modules and solar systems in Ukraine
[Hits: 401 | Votes: 2 | Rate: 9.50] - DMsolar
- Solar Panels, Grid Tie Systems, Solar Power Kits, Solar Cells and more. DMsolar carries solar energy products for your needs.
[Hits: 436 | Votes: 2 | Rate: 1.00] - AltE Store
- Providers of solar panels, photovoltaic systems, Solar Cells and Solar Renewable systems and education for the Do-It-Yourselfer
[Hits: 390 | Votes: 3 | Rate: 7.00] - PeakSolar.com
- Solar Panels, Grid Tie Systems, Solar Power Kits, Solar Cells and more.
[Hits: 129 | Votes: 0 | Rate: 0.00] Manufacturers : Antennas : Military
- MARS Antennas
- MARS, Israel's Antenna and RF System manufacturer, flat antennas for cellular, military broadband, multiband MF high power antenna
[Hits: 2444 | Votes: 5 | Rate: 8.20] Manufacturers : Antennas : VHF UHF Microwave
- RFS
- Radio Frequency Systems (Formerly Celwave, Cellwave, Cablewave),Wifi antennas, duplexers.
[Hits: 245 | Votes: 0 | Rate: 0.00] Manufacturers : Towers and Accessories
- TowerWorx
- Mobile and portable towers for the use in temporary cell phone coverage, military use and mobile communications for surveillance and emergencies
[Hits: 514 | Votes: 0 | Rate: 0.00] Operating Modes : D-STAR
- K6MDD Mt Diablo D-Star
- Mt. Diablo D-Star System is situated on the North peak of Mt. Diablo in California's East Bay 33 miles east of San Fransisco. At 3,600' the K6MDD System has excellent coverage of most of the Bay area !
[Hits: 290 | Votes: 0 | Rate: 0.00] Operating Modes : Longwave
- Antenna Noise and Signal Cancelling at LF
- The fact that the phasing between a wanted signal and an unwanted signal can be different on different antennas is put to advantage. With this condition, the unwanted signal can be cancelled out by controlling amplitude and phase. The heart of the system is some form of phase control circuitry.
[Hits: 369 | Votes: 0 | Rate: 0.00] Radio Equipment : HF Transceivers : Yaesu FT-817
- Duracell DR36 battery to the FT 817
- The Duracell DR 36 laptop battery can be easily find and supplies 12 volts X 4 amperes.
The main advantages on this system are, the weight, size, quick battery changing and no stress to the FT 817 power connector by PY1AHD
[Hits: 1960 | Votes: 6 | Rate: 3.67] - Powering the FT-817
- Coupling the Duracell DR36 battery to the FT 817
The main advantages on this system are, the weight, size, quick battery changing and no stress to the FT 817 power connector
[Hits: 757 | Votes: 0 | Rate: 0.00] Shopping and Services : Regional : Europe : Italy
- Grandicelli
- Hf-vhf-uhf-shf-digital-monitoring-site,wavecom Decoder and tools, winradio and DRM decoders, WD3000 Direction Finding System , radioraft software. PFSL3000 Integrated HF-VHF-UHF signal monitorin
[Hits: 453 | Votes: 0 | Rate: 0.00] Software : Propagation
- Radio Mobile
updated
- Excellent, very detailed radio path mapping software, vhf uhf propagation predictor
This software is a tool used to predict the performance of a radio system.
[Hits: 4685 | Votes: 19 | Rate: 8.11] Software : Satellite tracking
- Gpredict
- Gpredict is a satellite tracking program for Unix-like operating systems. In the begining (v. 0.1.x) Gpredict was just a GUI client to John Magliacane's excellent satellite tracking program, Predict, but due to performance problems it has been decided to include the tracking code directly into Gnome Predict (v. 0.2.0 and later).
[Hits: 1055 | Votes: 4 | Rate: 8.75] Software : Utilities
- ID Wizard
- ID Wizard is an ID timer with system clock setting and miscellaneous tools. Tools includes Notes, a full-featured “text” editor, Calculator,
Calendar for sun/moon times, Time Zone Browser
Conversion Utility Area, Distance, Mass, Power, Temperature, Time and Volume, Trace Route, Ping and WhoIs
[Hits: 751 | Votes: 2 | Rate: 10.00] Technical Reference : Electronics
- Using ferrite for interference suppression
- Excellent guide to using ferrite cores for interference suppression.
Understanding and Solving RF Interference and Noise Problems by Jim Brown K9YC Audio Systems Group, Inc. PDF File
[Hits: 3145 | Votes: 6 | Rate: 9.50] Technical Reference : Radio Frequency Interference
- Cellular Phone Interference
- Cellular Phone Interference and 800 MHz Public Safety Radio Systems: An Unforeseen and Dangerous Problem
[Hits: 718 | Votes: 0 | Rate: 0.00]
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