traps

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traps

47 links - and 1 categories

Antennas : 10M
  • Shortened dipole for 10 & 40m bands - A shorten Dual-Band Dipole with overall length of about 11 m. For this antenna traps are substituted by inductors, in order to cover the 10 & 40 m. Bands.
    [ Hits: 3854 | Votes: 1 | Rating: 1.00 ]
  • Dual Band Yagi 28Mhz and 50Mhz  updated - NO Traps or coils, NO matching required. Direct 50 Ohm feed. Easy to build and nothing else like it! Enjoy 50/28 with one feedline to a dual band high gain Yagi by G0KSC
    [ Hits: 1726 | Votes: 2 | Rating: 1.50 ]
Antennas : 4M
  • 8el 50Mhz / 70Mhz Dualband Yagi  updated - Only just over 6 foot long, a compact 8 element dualband Yagi for 6 and 4 meters band. No traps or coils, no matching required. Simple to build by G0KSC
    [ Hits: 928 | Votes: 2 | Rating: 2.00 ]
Antennas : 80M
  • Trapped dipole for 40 80m - I0SJC trapped dipole for 40 and 80 meters, traps done with 170 turns 1 mm diam, on a 3.2 mm cilinder in Italian.
    [ Hits: 1467 | Votes: 1 | Rating: 1.00 ]
Antennas : Coils
  • Coil Winding Tips - Tips on winding wire coils used as inductive loads, traps, band-pass filters, are implemented in a number of amateur radio projects especially antenna projects
    [ Hits: 582 | Votes: 2 | Rating: 3.00 ]
Antennas : Dipole
  • An Improved Multiband Trap Dipole Antenna - This improved multiband trap dipole introduces a new trap design and a change in trap location. The antenna features double-coaxial-cable-wound traps having lower reactance and a higher quality factor (Q) than earlier coax-cable traps by W8NX
    [ Hits: 8167 | Votes: 5 | Rating: 6.00 ]
Antennas : Homebrewing Techniques
  • Easy tuning an building of traps  updated - A new and simple method for tuning traps. You need 2-3Watt of your TRX and two homemade coupling coils by DK7ZB
    [ Hits: 6144 | Votes: 138 | Rating: 8.17 ]
  • Homebrew traps - Traps can be one way round multiband coverage without the need of an atu. Learn how to homebrew your own traps
    [ Hits: 3267 | Votes: 2 | Rating: 3.00 ]
  • Tuning HF antenna Traps - Tuning HF Coaxial Antenna Traps
    [ Hits: 468 | Votes: 0 | Rating: 0.00 ]
Antennas : Multiband
  • Another vertical antenna for 30, 40 and 80 meters - This article is to describe a multi band DX-dedicated antenna offering a minimum of compromises (such as lossy traps), for the hams not having any high-support
    [ Hits: 4013 | Votes: 3 | Rating: 3.67 ]
Antennas : Repair and Maintenance
  • Fritzel Antenna maintenance - Article on maintenance of a FRITZEL antenna by cleaning and restoring antenna traps, baluns and elements.
    [ Hits: 1535 | Votes: 7 | Rating: 6.75 ]
Antennas : Traps
  • Coax Traps from a Modeling Perspective - About Coax Traps, NC4FB examine the operation of coax traps through modeling.
    [ Hits: 446 | Votes: 0 | Rating: 0.00 ]
  • PA3HMP Antenna Traps - An original way to build antenna traps
    [ Hits: 4583 | Votes: 6 | Rating: 8.67 ]
  • Traps for 40/80 m dipole - I6DVX article on hoembrewing traps, using vetrnonite instead of common coax cable.
    [ Hits: 2340 | Votes: 4 | Rating: 1.00 ]
  • Building traps with coax cable - Tips on how to build a trap using common coaxial cable and coax trap software, by F5JTZ in french
    [ Hits: 3088 | Votes: 3 | Rating: 4.00 ]
  • Tuning HF Coaxial Antenna Traps - The problem with making your own trapped HF antennas is usually getting the coaxial traps tuned to frequency.
    [ Hits: 1952 | Votes: 2 | Rating: 4.00 ]
  • Bootstrap coax traps for antennas - Analysis of an antenna trap where a coil is formed of a length of coax cable, the outer conductor of one coax end is tied to the inner conductor of the other coax end, and the remaining connections form the terminals for the trap.
    [ Hits: 1151 | Votes: 1 | Rating: 10.00 ]
  • Traps for 160 meters band - Extending a 40/80 trapped dipole to 160 meter band
    [ Hits: 969 | Votes: 3 | Rating: 5.67 ]
Radio Equipment : HF YAGI Antennas : Cushcraft A3S Shopping and Services : Antennas
  • 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: 852 | Votes: 0 | Rating: 0.00 ]
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