coax antenna

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coax antenna

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Antennas : 10M
  • YBN 28-5w - 5 Elements Yagi for 28 MHz - A 5 element yagi beam antenna for ten meters band with full dimentsions, eznec file and coax match informations for 50 ohms feed line
    [ Hits: 627 | Votes: 2 | Rating: 4 ]
Antennas : 40M : 40 meter Magnetic Loop Antennas
  • 40m Magnetic Loop Antenna - A coaxial cable tuneable magnetic loop antenna for 7MHz. This experimental antenna does not require a tuning capacitor
    [ Hits: 2342 | Votes: 3 | Rating: 8.33 ]
Antennas : 6M : 6 meter Yagi Antennas
  • 3 Element Beam for 50 MHz - A six meter band 3 element yagi beam antenna project with shortened elements using coax cables with the outer ends stripped and the center conductor shorted in somewhat of a Bazooka antenna.
    [ Hits: 267 | Votes: 1 | Rating: 8 ]
Antennas : Baluns
  • Antenna Theory : Baluns - This article describe the principles of baluns when referred to devices used to balance unbalanced systems, like a coax cable and a dipole antenna
    [ Hits: 544 | Votes: 1 | Rating: 8 ]
  • When and Where to Use Baluns - Baluns are usually used by Hams to feed dipole antennas with 50 ohm coax and to transpose from ladder line feeding a multi-band antenna to the unbalanced input of an antenna tuner.
    [ Hits: 1079 | Votes: 8 | Rating: 7.75 ]
Antennas : Bazooka
  • Double Bazooka Antenna - Double Bazooka Antenna, a simple coax based and broad band antenna you can easily build
    [ Hits: 1160 | Votes: 7 | Rating: 7.29 ]
  • Bazooka para 40 metros - A bazooka coax antenna for 40 meters band design by CA6TYS
    [ Hits: 539 | Votes: 0 | Rating: 0 ]
  • KC0KJF Doble Bazooka - The Double Bazooka Dipole is a very efficient single band antenna which is very quite,and does not require the use of a balun. This antenna consists of coax (RG58) with the shield split at the center and the feedline attached to the open ends.
    [ Hits: 799 | Votes: 1 | Rating: 4 ]
  • Bazooka Antenne - A bazooka antenna design in German with dimensions for 20m and 40m band with RG174 coax cable stronger than the common RG58
    [ Hits: 940 | Votes: 1 | Rating: 2 ]
Antennas : Feed Lines
  • Why good Antennas need good Coax cable - The importance of an efficient antenna feed line that can minimize the disturbing noise for an optimal signal reception
    [ Hits: 365 | Votes: 1 | Rating: 10 ]
Antennas : Feed Lines : Choke
  • Trap on Coax Cable - A trap on the coaxial cable, also known as choke, helps to eliminate the sneaking of the reflected RF- energy to the shack. The trap can be made from the coaxial cable that feeds the antenna
    [ Hits: 654 | Votes: 0 | Rating: 0 ]
  • Chocking the End-Fed Antenna - Stop common-mode current when transmitting with an end-fed antenna. Unbalanced antennas are very prone to currents on the outside of the coax.
    [ Hits: 569 | Votes: 1 | Rating: 8 ]
Antennas : Loop
  • Horizontal Loop Antenna Experiments - The HF horizontal loop has been around for many years now. This article includes a YouTube video and discusses the reasons for looking at this antenna, its design, and its installation. There are some on-air comparisons against three regular double bazooka (coax) dipoles and the Par SWL End-Fed antenna.
    [ Hits: 769 | Votes: 5 | Rating: 8 ]
Antennas : Magnetic Loop
  • Simple Coax Mag Loop Antenna - A homemade Magnetic Loop antenna from a spare 3m length of RG213 working from 30m to 15m with a 130pF tuning capacitor
    [ Hits: 2896 | Votes: 9 | Rating: 6.89 ]
Antennas : Theory
  • Quarter Waves and Velocity Factor - Coax Velocity Factor in Baluns, Does it Matter? Test results show coaxial cable velocity factor does not always enter into stub length calculations especially in the world of Baluns
    [ Hits: 147 | Votes: 0 | Rating: 0 ]
Antennas : VHF UHF
  • VHF UHF Coaxial Dipole Antenna - A base station antenna you can easily build for 146,220 or 440 MHz, with performance similar to a J-pole but smaller and less obstrusive
    [ Hits: 1972 | Votes: 8 | Rating: 6.51 ]
Shopping and Services : Regional : USA
  • Delta Electronics - Delta Electronics, Inc. NY USA, family owned and operated selling all varieties of consumer electronics including 10 meter amateur radios, antennas, accessories, microphones, cw transmitters, coax cables and more
    [ Hits: 170 | Votes: 0 | Rating: 0 ]
Technical Reference : Antenna Switch
  • Five Antennas Switch Box - A project of a 5 Antennas Relay Switch Box, all Switches & Relays have both contacts wired in parallel to improve reliability of operation, to prevent static build up, when an antenna is not in use the feeder coax is grounded.
    [ Hits: 812 | Votes: 1 | Rating: 10 ]
Technical Reference : Coax Cables and Connectors
  • Make Your Own Coax Patch Panel - Homemade coax patch panel for antenna and rig switching
    [ Hits: 420 | Votes: 3 | Rating: 9.67 ]
  • QRO Coaxial Relay for 50 MHz - Build a SPDT coaxial relay that can be used as a main Transmit/Receive relay or an A-B switch to select between two different 6m antennas
    [ Hits: 255 | Votes: 0 | Rating: 0 ]

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