trap

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trap

123 links - and 1 categories

Antennas : 12M
  • Trapped Dipole for 12 and 17 Meters - A small sized and very cheap antenna project that allow you to work on WARC bands with a total gain very close to the dipole in both bands. On 12 meters is a normal dipole, while on 17 is a trapped dipole. Article in Italia
    [ Hits: 882 | Votes: 1 | Rating: 1 ]
Antennas : Dipole
  • A Co-ax Trap Dipole - A Co-ax Trap Dipole For 40, 30 and 20 Meters or at last that was the intention
    [ Hits: 1017 | Votes: 3 | Rating: 6 ]
  • Simple 20-40 m Dipole Antenna - A simple TRAP-dipole project for 20 and 40m bands includes EZNec simulations
    [ Hits: 1741 | Votes: 5 | Rating: 6 ]
  • 20 40 80 Trapped Dipole - An homemade portable trapped dipole antenna for 40 and 80 meters band with an optional extension for the 20 meters.
    [ Hits: 1396 | Votes: 9 | Rating: 5 ]
  • Trapped Dipole for 15/20 Meters Bands - An easy to build dipole for 21 and 14 MHz with traps made by two T50-6 toroids cores mounted on a simple PCB foil
    [ Hits: 622 | Votes: 2 | Rating: 7 ]
Antennas : End-Fed
  • Multiband trapped end fed antenna - A multiband trapped end-fed antenna can cover 20 30 40m bands. An option for portable sota operations were weight end simplicity are essential
    [ Hits: 770 | Votes: 0 | Rating: 0 ]
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: 961 | Votes: 2 | Rating: 6.5 ]
Antennas : Traps
  • Tuning Antenna Traps - Tuning Antenna Traps without a Grid Dip Oscillator, using a bit of initiative and some standard equipment a ham should have in the shack.
    [ Hits: 911 | Votes: 1 | Rating: 9 ]
Antennas : Vertical
  • Multiband wire vertical - An easy to make, cheap, no trap, multiband wire vertical antenna by PA1M
    [ Hits: 1464 | Votes: 1 | Rating: 4 ]
  • The 10/15/20 Meter Trap Vertical Antenna - This antenna project came out very nice. It's a rugged homebrew multi-band trap vertical antenna that works the 10, 15, and 20 meter amateur radio bands. The antenna can be mounted on the ground or on a mast. Mounted on the ground the antenna has a low take off angle for working DX. If mounted on a mast the antenna will acheive both a low angle as well as another radiation lobe that has a much higher take off angle.
    [ Hits: 4152 | Votes: 14 | Rating: 6.08 ]
  • 20m 40m trapped squid pole antenna - An homemade portable vertical antenna with a trap near the mid point of the main element. The trap is made with 42mm diameter PVC pipe with 9 turns of wire on it
    [ Hits: 3017 | Votes: 5 | Rating: 5.2 ]
  • 7 Bands Semi Vertical Antenna - A project of a semi vertical trap antenna that can be tuned for 7 bands
    [ Hits: 1865 | Votes: 1 | Rating: 10 ]
  • OZ1CX - Multiband vertical antenna no tuner LC matched - A 4-Band vertical antenna that needs NO tuner, NO traps. Implement an LC matched on 4 bands with relay switching.
    [ Hits: 1004 | Votes: 1 | Rating: 8 ]
Antennas : W3DZZ
  • W3DZZ - 80 to 10 meter antenna - A schematic design of the W3DZZ antenna in portugues with description of trap building
    [ Hits: 2578 | Votes: 7 | Rating: 6.72 ]
  • A Low Cost Multi Band - W3DZZ trapped multi-band antenna, exposed in this practical wireless article
    [ Hits: 2047 | Votes: 3 | Rating: 7 ]
  • W3DZZ - a classic dipole heavily modified, - An easy to build multiband trapped dipole that can work well on short low bands for skip contacts
    [ Hits: 2326 | Votes: 9 | Rating: 7.56 ]
  • OH2EC Antenna - A trapped dipole antenna based on the orignal W3DZZ antenna design resonating on 80 40 20 15 10 meters
    [ Hits: 1501 | Votes: 5 | Rating: 8.2 ]
Manufacturers : Antennas : HF : Dipole Antenna
  • 1dBm Antennen - Multiband Trap Dipole, portable short antennas, accessories and kits by DG1DBM
    [ Hits: 473 | Votes: 12 | Rating: 5.58 ]
Operating Modes : NBEMS Radio Equipment : VHF-UHF Mobile : Kenwood TM-D710

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