antenna long

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antenna long

143 links - and 1 categories

Antennas : 10M
  • 10 meter wonderbar antenna - 10 Meter WonderBar Antenna, present an SWR 1:1 over entire band, great DX, rotateable by hand, 8 ft long - build for about $20
    [ Hits: 5418 | Votes: 0 | Rating: 0 ]
Antennas : 160M
  • Invisible DX antenna for the low bands - Article by DK5WL describes a multi-band DX antenna for the 160m-40m amateur radio bands with low visibility but great performance for long distance communication.
    [ Hits: 7004 | Votes: 8 | Rating: 6 ]
Antennas : 23cm
  • DL6WU Yagi antenna - The DL6WU yagi antenna for 23cm band
    [ Hits: 1754 | Votes: 18 | Rating: 7.17 ]
Antennas : 4M
  • The 50 MHz DK7ZB Quadlong - The Quadlong antenna for the six meter band. This antenna feature a total gain of 6,4 dBd, F/B 21 dB and is also available in 70MHz version. Includes detailed pictures and plot diagrams.
    [ Hits: 1440 | Votes: 27 | Rating: 9.04 ]
Antennas : 6M : 6 meter Yagi Antennas Antennas : 70cm
  • Portable 70cm Quadruple Quad Beam - A suitable high gain 70cms antenna for SOTA operation was sought that did not have the drawbacks of a long Yagi antenna, principally a narrow beamwidth and bandwidth.
    [ Hits: 3545 | Votes: 3 | Rating: 8 ]
Antennas : Baluns
  • Magnetic longwire baluns 1:9 - This Magnetic Longwire Balun (MLB) makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires, T-forms or other types of wire antennas, without the need for an antenna tuner.
    [ Hits: 3584 | Votes: 4 | Rating: 6.75 ]
Antennas : Feed Lines : Choke
  • Homebrew RF chocke - Magnetic Longwire Balun - RF Choke to prevent hf currents on the feedline. This Magnetic Longwire Balun (MLB) makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires, T-forms or other types of wire antennas, without the need for an antenna tuner.
    [ Hits: 3410 | Votes: 3 | Rating: 10 ]
Antennas : Four Square
  • TX Four Square Antenna - A 220-ft tower that has five catenary lines, each about 500 feet long. Four of these lines, running NE, SE, SW, and NW support four 1/4-wavelength wire verticals used in a 160-meter four-square antenna.
    [ Hits: 787 | Votes: 0 | Rating: 0 ]
Antennas : K9AY
  • RX antenna for 160/80 meters - RX Antenna 160m/80m Band Splitter/Switch, a small project that will work along with the K9AY RX antenna
    [ Hits: 2058 | Votes: 0 | Rating: 0 ]
Antennas : Mobile
  • W5JGV Mobile Antenna - A High Efficiency Extended Length Mobile Antenna The antenna itself is 3.42 meters or 11 feet 2 inches long from the top of the mounting spring to the tip.
    [ Hits: 4123 | Votes: 5 | Rating: 6.2 ]
Antennas : Sloper
  • LA1IC Coax-Fed slooping longwire - Simple, inexpensive and easy to erect, this antenna provides directivity, low angle radiation and a small gain on a number of HF bands.
    [ Hits: 3920 | Votes: 3 | Rating: 7 ]
Antennas : Theory : Antenna Gain
  • Antenna Gain to ERP - A radio's transmitting power can be concentrated along the horizon by use of a GAIN antenna. Although you may still be transmitting with four watts of power, your effective radiated powerwill be greatly increased. This table shows the effects of antenna gain on a transmitter with 4 watts of transmit power.
    [ Hits: 1385 | Votes: 4 | Rating: 4.5 ]
Antennas : WiFi
  • CantennaCalc - Kioan's calculator for building a Cantenna , directional waveguide antenna for long-range Wi-Fi
    [ Hits: 6693 | Votes: 46 | Rating: 6.75 ]
  • Long Range Wi-fi Dish Antenna - Build parabolic WLAN antenna adapted from a small satellite dish. It provides high gain and long range connections.
    [ Hits: 5232 | Votes: 9 | Rating: 5.22 ]
Antennas : Wire
  • Long wire antenna random wire - About longwire antennas, technically to be a true longwire an antenna needs to be at least one wavelength long, but common use of the term by Hams is for any random wire length that is end fed.
    [ Hits: 1316 | Votes: 2 | Rating: 4 ]
  • G6RV Antenna - A 35 mt. long wire antenna by Maidstone Amateur Radio Society
    [ Hits: 801 | Votes: 0 | Rating: 0 ]
Antennas : Yagi Manufacturers : Antenna Parts
  • Anteny SP1BKS - Antenna manufacturer from Poland, produce dipole wire antennas, W3DZZ FD4 Windom and long wires, baluns, dealer for toroids and connectors managed by Leszek Mlynarczyk SP1BKS
    [ Hits: 2631 | Votes: 4 | Rating: 3.5 ]
Technical Reference : QRP Projects
  • A 40 meter SSB QRP transceiver - This transceiver was conceived as a power-efficient, small, lighweight unit to be carried in the backpack, along with antenna and battery.
    [ Hits: 2298 | Votes: 1 | Rating: 1 ]

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