pa system
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Antennas : 17M- KK5BL How To Build A G5RV Antenna
- How to build a G5RV Transmitting antenna
Originally posted to the packet bbs system by KC6CFF. The G5RV is an easy-to-build 80-10 dipole requiring no traps. All bands are covered, including 30, 17, and 12. The G5RV has high SWR, by design, on most bands and a tuner is required
[ Hits: 25187 | Votes: 7 | Rating: 6.15 ]
- W8JI Technical pages
- Amplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.
[ Hits: 22138 | Votes: 37 | Rating: 8.3 ]
- SWR: Maximum allowable VSWR
- VSWR (voltage-standing-wave-ratio) represents the degree with which an antenna is "matched" to the system impedance. Most modern antennas do not require any tuning for optimum performance. VSWR is one of the easiest parameters to measure and VSWR meters are becoming very popular antenna installation tools
[ Hits: 1237 | Votes: 3 | Rating: 3.33 ]
- NAVAIDs and Real Property Requirements
- The Impact of navigation aid systems on Air Force Real Property requirements
[ Hits: 1780 | Votes: 3 | Rating: 3.67 ]
- CES Wireless Technologies
- CES Wireless Technologies manufacturer of Mobile information Systems including Dispatch and Mapping Software, GPS, AVL, Mobile Data Display Terminals, ANI, CTCSS, and Microphones
[ Hits: 605 | Votes: 2 | Rating: 5.5 ]
- Wholesale Solar
- Solar panels, solar and wind home power systems, pre-wired power panels. Wholesale prices for everybody. Free solar design.
[ Hits: 722 | Votes: 1 | Rating: 10 ]
- Laipac Technology Inc.
- We are committed to constantly improving our solutions in areas of GPS System, GPS Receivers, GPS Antennas, GPS Dataloggers, RF Modules, Wireless Security Systems, Automatic Vehicle Location (AVL) for real time and passive tracking
[ Hits: 1099 | Votes: 10 | Rating: 4.9 ]
- The Brookdale ATV Repeater System
- Provide an ATV repeater function for the North Jersey Exterior Area that is available not only for general amateur radio use, but also for providing a unique communications resource during emergencies as well (FCC Part 97.1 (a))
[ Hits: 564 | Votes: 0 | Rating: 0 ]
- USCG Navigation Center DGPS
- Differential Global Positioning Service (DGPS) is a land-based augmentation system that receives and processes signals from orbiting GPS satellites, calculates corrections from known positions and broadcasts these corrections via a Medium Frequency (MF) Transmitter to DGPS users in the Broadcast Site's coverage area.
[ Hits: 2006 | Votes: 2 | Rating: 4.5 ]
- Bass Amateur Radio Irlp Group Inc
- The bass amateur radio IRLP group node 6391. victoria australia. info IRLP stands for the Internet Radio Linking Project. The aim of this project is to link radio systems separated by long distance without the use of expensive leased lines, satellites, or controllers.
[ Hits: 1186 | Votes: 22 | Rating: 6.71 ]
- Wolverine Power Systems
- Wolverine Power Systems provides generators, rental, service and repair located in Holland, Michigan.
[ Hits: 762 | Votes: 0 | Rating: 0 ]
- Pascall Electronics
- Pascall's specialist RF & Microwave division specialise in components for radar, EW receivers, navigation & location equipment, communication and marine safety systems.
[ Hits: 602 | Votes: 0 | Rating: 0 ]
- Storm Products
- Storm Products Company provides high-value, interconnect products, subsystems, and services to electronics, communications, and instrumentation markets worldwide. Products include Electronic and Microwave cable assemblies, components, and test products.
[ Hits: 569 | Votes: 0 | Rating: 0 ]
- 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: 3001 | Votes: 9 | Rating: 5.11 ]
- Win-Test contest logging software
- Win-Test is a contest logging software compatible with all the operating systems Windows 32 bits without exception.
All major international and many national contests are supported. Network TCP/IP capability, radios and CW interfaced, database-aided autocompletion, and much more...
[ Hits: 2576 | Votes: 17 | Rating: 8.07 ]
- CQiNet, linking Ham Radio
- CQiNet is a family of programs that combine Ham Radio with the Internet using Voice over IP (VoIP) technology. Two programs are currently in the family, "theBridge" and echoLinux.
Thebridge is a iLink/EchoLink compatable conference bridge that runs under various versions of Unix as well as Windows.
EchoLinux is a EchoLink client program for the Linux operating system.
[ Hits: 3660 | Votes: 4 | Rating: 7.5 ]
- CQ Log
- CQLog is a powerful logging program for Windows. It provides a comprehensive control centre for everyday on-the-air activities, including: full-featured logging of QSOs; statistics for many awards (for LoTW and eQSL capability); support for QRZ, RAC, GOLIST databases. You can save up to 3 pictures for each SSTV-QSO. Two-way data exchange with MixW2, and DigiPan. Integrates with DX Atlas. Real-time upload of QSOs to eQSL.cc. The program also offers a "contest-mode"; supports CAT systems for YAESU, ICOM, KENWOOD, Ten-Tec. Prints QSL cards, and QSL labels, addresses envelopes.
[ Hits: 15471 | Votes: 129 | Rating: 7.7 ]
- RodLog HAM radio logging system
- A site about RodLog, a HAM Radio logging system to replace the paper logbook and allow fast searching and analysis of the data.
[ Hits: 1294 | Votes: 3 | Rating: 6 ]
- DX ToolBox
- DX Toolbox searches the web for you, gathering information on solar and geomagnetic conditions that affect radio propagation. It's ideal for the ham radio operator, shortwave listener, or other radio enthusiast.
[ Hits: 7141 | Votes: 6 | Rating: 7.83 ]
- Radio Mobile
- Radiomobile is an excellent and very detailed radio path mapping software, vhf uhf propagation predictor.
This windows free software is a tool used to predict the performance of a radio system.
[ Hits: 10575 | Votes: 40 | Rating: 8.53 ]
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