system
709 links - and 10 categories
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Antennas : 15M- 21 mhz half wave GP Antenna
- 21 mhz half wave ant -very low radiation angle - full size and light weight- all coax matching system - decoupling care to prevent low angle radiation degrade
[ Hits: 3102 | Votes: 6 | Rating: 2.17 ]
- The simplest phased array feed system that works
- How to calculate "phasing line" lengths that actually work.
[ Hits: 2178 | Votes: 4 | Rating: 6.75 ]
- Ground Problems
- Collection of articles about ground systems
[ Hits: 1266 | Votes: 2 | Rating: 8.5 ]
- Line Isolator System
- A system view of the line isolator
[ Hits: 1683 | Votes: 1 | Rating: 10 ]
- Ground / Radial Systems
- Guide to ground mounting antennas, notes on efficiency, elevated installations, metal towers and masts, other mounting schemas, moble homes and rv, lightning protections, artiche by Bencher
[ Hits: 1151 | Votes: 1 | Rating: 10 ]
- Radial systems and ground
- Radial systems for elevated and ground mounted vertical antennas by SteppIR
[ Hits: 2293 | Votes: 4 | Rating: 8.25 ]
- Installing Wire Antennas
- Before selecting an antenna system, you must first find a place to put it. A selection of techniques to setup antennas upon trees using pulleys or other tools
[ Hits: 2154 | Votes: 1 | Rating: 10 ]
- Peet Bros Company
- Manufacturer of advanced electronic systems to measure such weather data as: wind speed, wind direction, wind chill, pressure, humidity, rainfall, and dew point.
[ Hits: 634 | Votes: 2 | Rating: 10 ]
- Sunlight Energy Systems
- Sunlight Energy Systems provides charge solar controllers and power supply products for amateur radio applications and solar panels usage
[ Hits: 2014 | Votes: 2 | Rating: 10 ]
- SSB Electronic USA
- manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.
[ Hits: 8402 | Votes: 8 | Rating: 6.12 ]
- Tennamast
- Tennamast design and manufacture a wide range of fabricated metal goods, Antenna masts, Wind-sock masts, and masts for holding such systems as CCTV, Loudspeakers, Lighting units
[ Hits: 4473 | Votes: 7 | Rating: 8.14 ]
- K0XG Systems
- Tower and antenna rotation equipment, insulators, rotor control cables, ancillary products
[ Hits: 2561 | Votes: 2 | Rating: 5.5 ]
- W2DRZ Antenna controller
- The W2DRZ Antenna controller system is a low cost but effective system to monitor and control an antenna system's position.
[ Hits: 3000 | Votes: 4 | Rating: 4.25 ]
- Expanded Spectrum Systems
- Flash crystals, Feakin' beacon keyer, beacon attenuator
[ Hits: 991 | Votes: 2 | Rating: 10 ]
- HFPack
- HFpack provides an information exchange about transceivers, antennas, systems, HF packs, propagation, new developments and
techniques in HF portable operation. Radio Amateurs are invited to participate in egroup and on-the-air nets around the world.
[ Hits: 738 | Votes: 4 | Rating: 10 ]
- IPS - HF Systems MUF maps and prediction charts
- These pages provide general propagation advice for HF communicators. Information available includes inferred global propagation conditions, real time HF fadeout coverage charts, regional ionospheric vertical MUF maps and Hourly Area Prediction charts for Astralia and Asia, Europe and North America
[ Hits: 4955 | Votes: 17 | Rating: 5.83 ]
- NEC4WIN
- NEC4WIN is a 32 bits commercial antenna simulation software based on MININEC3 developed by the Naval Ocean Systems Center in the 70s and 80s. It runs under Windows and can be used to simulate, analyze and optimize wire antennas, beams, verticals, etc.
NEC4WIN has limitations. They are the same as Mininec3 on which the engine is based.
[ Hits: 1873 | Votes: 2 | Rating: 7 ]
- VT100/ANSI terminal and Telnet client
- Online is a VT100/ANSI terminal emulator and Telnet client for Palm OS organizers. Connect to Unix systems, configure routers and reprogram embedded computers.
[ Hits: 1082 | Votes: 4 | Rating: 4.25 ]
- Build a simple rechargeable CMOS Battery
- An inexpensive rechargeable CMOS battery system that can be built from readily available parts.
[ Hits: 880 | Votes: 4 | Rating: 5.75 ]
- Noise Sources
- Computers, TV's, and Switching Systems can cause noises to your receiver
[ Hits: 855 | Votes: 1 | Rating: 10 ]
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