sys antennas

sys antennas

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• Ground System on a 160M vertical - Ground system measurements on a 160 M vertical by Rudy Severns N6LF
  [ Hits: 1913 | Votes: 1 | Rating: 10 ]

• Echelon-Log Beverages - About beverage antennas, Enhanced F/B Beverages, Bandwidth of Directivity, arrays. This article describes two phasing systems for Beverage antennas that improve directivity and cancel rearward signals. These systems use lossy elements and require minimal components to achieve broadband performance.
  [ Hits: 1860 | Votes: 1 | Rating: 10 ]

• Feeding an End-Fed Antenna - End-Fed antennas are NOT balanced systems; but neither are verticals, ground planes, discones, windoms, zepps, Marconis, half-slopers, et al. Additionally, the low-impedance antenna port of your transmitter/receiver is not balanced.
  [ Hits: 21455 | Votes: 22 | Rating: 7.33 ]
• End Fed Half Wave Antennas - An interesting article on end fed half wave antennas
  [ Hits: 6155 | Votes: 3 | Rating: 7.67 ]

• Radial System Design - Are the lengths of antenna radials related to the height of a vertical? By N6LF
  [ Hits: 859 | Votes: 1 | Rating: 5 ]

• HF antenna for high rise dwellers - If you have ever tried transmitting on HF from a tall block of apartments, where it's just not possible to erect a substantial aerial system, then this article is for you
  [ Hits: 5015 | Votes: 5 | Rating: 7.92 ]

• 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: 1153 | Votes: 1 | Rating: 10 ]
• Radial systems and ground - Radial systems for elevated and ground mounted vertical antennas by SteppIR
  [ Hits: 2297 | Votes: 4 | Rating: 8.25 ]

• Phased vertical antennas - Phased vertical antenna system in french
  [ Hits: 1977 | Votes: 1 | Rating: 10 ]

• 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 ]

• 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: 8406 | Votes: 8 | Rating: 6.12 ]

• Outbacker antennas - Outbacker mobile and portable antenna systems are slim line, highly efficient, single whip multi bond antennas for vehicular and limited space portable applications.
  [ Hits: 2233 | Votes: 0 | Rating: 0 ]

• RFS - Radio Frequency Systems (Formerly Celwave, Cellwave, Cablewave),Wifi antennas, duplexers.
  [ Hits: 477 | Votes: 0 | Rating: 0 ]

• CAL-AV Labs, Inc. - Cal-av labs, inc. (formerly california avionics laboratories, inc.) manufactures electronic instruments and systems for research and industry. we specialize in radio communications and research/electronic test products. Amateur radio yagi antennas, rotary dipoles, baluns, morse keys.
  [ Hits: 2129 | Votes: 0 | Rating: 0 ]

• Rotating Tower Systems - Using our components you can build a rotating tower with greater capability than 3-4 static towers. A rotating tower allows common rotation of HF stacked arrays, VHF and UHF arrays, and antennas mounted at optimum heights. Component design also allows tower shunt loading and end support for wire antennas
  [ Hits: 1369 | Votes: 3 | Rating: 6.33 ]

• 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 ]

• Adur Communications - Specialist in the design and supply of Radio Communications Equipment and Systems. West Sussex England. Antennas, traps and baluns inline isolators, Outbacker Antennas, Mobile Mounts and Accessories
  [ Hits: 1033 | Votes: 0 | Rating: 0 ]

• DDS Data-Communicatie - Dds data- communication Data and Tele-Communication Solutions: UMTS GSM GPRS Telemetry programmers Adeunis RF systems, antennas, radio transmission modules, oscilloscopes GPS and coax cables dealer in Holland
  [ Hits: 1049 | Votes: 0 | Rating: 0 ]

• 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: 1875 | Votes: 2 | Rating: 7 ]
• Meter Mate - SWR Graph Software - Meter Mate is a companion utility for your directional watt meter that allows you to calculate the SWR reading when the forward and reflected power readings are measured. In addition to calculating the antenna system SWR Meter Mate will also plot the SWR curves of all of your antennas onto graphs that may be printed out.
  [ Hits: 1919 | Votes: 12 | Rating: 4.91 ]

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