feed line

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feed line

96 links - and 3 categories

Antennas : 12M
  • A dual band wire beam for 17 and 12 meters - This wire beam Moxon antenna offers double duty on 17 and 12 meters with one 50 ohm feed line, a PDF file by Allen Baker, KG4JJH
    [ Hits: 11267 | Votes: 12 | Rating: 7.50 ]
Antennas : 2M
  • The Cycloid Collinear, a CP Omni - This paper describes a wide band, high gain, multi-element cp omni with a single 50 ohm feedpoint with instructions for building a 2 and half element cycloid collinear for 2 meters.
    [ Hits: 3604 | Votes: 0 | Rating: 0.00 ]
Antennas : Antenna Calculators
  • Small Transmitting Loop Antenna Calculator - A free online calculator for making all of the calculations required to design and build small transmitting loop antennas, also known as magnetic loops by 66pacific.com
    [ Hits: 4491 | Votes: 14 | Rating: 8.07 ]
Antennas : Dipole
  • K7MEM Center-Fed Half-Wave Dipole ( 3-30 MHz) - A Center-Fed Half-Wave Dipole is probably the simplest of antennas to construct and use. It is usually suspended between two supports, from it's end insulators, and has the feedline hanging from the center.
    [ Hits: 2558 | Votes: 4 | Rating: 5.50 ]
Antennas : Feed Lines
  • Antenna Transmission Line Power Splitters - Several ways of splitting power to feed two like (50 ohm terminal impedance) antennas.
    [ Hits: 320 | Votes: 0 | Rating: 0.00 ]
  • Better Feedline Loss Measurements with Antenna Analyzers - Various publications through the years have shown how the SWR measured on a shorted (or open) feed line can be used to calculate feed line attenuation
    [ Hits: 1549 | Votes: 1 | Rating: 10.00 ]
  • Transmission Lines - About feed lines, parallel lines and coaxial lines, notes on impedance, SWR, Baluns, velocity factor and more by NZART
    [ Hits: 499 | Votes: 1 | Rating: 8.00 ]
  • The Clemens Match by W9ERN - Balanced feed with coaxial line by John F. Clemens W9ERN
    [ Hits: 547 | Votes: 2 | Rating: 4.50 ]
  • Balanced Self Matching Feed Line System - KE4UYP designed this Balanced Self Matching Feed Line System for people who want the very best feed line they can have on a Monobanded antenna
    [ Hits: 1209 | Votes: 0 | Rating: 0.00 ]
Antennas : Feed Lines : Choke
  • Eliminating TX RF Feedback Problems - Malfunction of transceivers due to stray RF pickup is a common problem, especially when using end-fed antennas, high-impedance feedlines, or a poor ground counterpoise
    [ Hits: 1775 | Votes: 1 | Rating: 1.00 ]
Antennas : Feed Lines : Open Wire
  • Open-wire Feedline - Homebrew Light-weight Open-wire feedline for Portable Ops by N5ESE
    [ Hits: 1017 | Votes: 0 | Rating: 0.00 ]
  • The Merits of Open Wire lines - This article is devoted to pointing out the advantages of open wire lines and discussing a few particular applications where they might be the preferred choice to feed the antenna.
    [ Hits: 987 | Votes: 0 | Rating: 0.00 ]
  • Open Wire Feed Line a second look - Put up the longest dipole you can fit, feed it with open wire line, connect it to the balanced output of your tuner and poof! Instant multiband antenna. Is life really that simple?
    [ Hits: 2331 | Votes: 7 | Rating: 6.79 ]
Antennas : J-Pole
  • Super J-Pole for 435MHz - The Super J Pole antenna is a co-linear vertical consisting of a number of half wave length vertical elements separated with half-wave length stubs (Tuning stub) feed with a folded matching stub by vk6ysf
    [ Hits: 3205 | Votes: 6 | Rating: 5.00 ]
  • The DBJ-1 VHF-UHF Dual Band J-Pole - Searching for an inexpensive, high performance dual band base antenna for VHF and UHF ? Build a simple antenna that uses a single feed line for less than $10.
    [ Hits: 5702 | Votes: 5 | Rating: 6.00 ]
Antennas : Multiband
  • HF multiband vertical Antenna - YF1AR multiband vertical antenna, based on orginal concept by VE7BS. Consist of 6 vertical elements and 6 base radials with a single 50 Ohm feed line.
    [ Hits: 1271 | Votes: 4 | Rating: 3.25 ]
  • All Band inverted L antenna - The inverted-L, using parallel feedline and an ATU, is an antenna with excellent potential as an all-band. Antennex article by W4RNL
    [ Hits: 6046 | Votes: 1 | Rating: 6.00 ]
Antennas : Theory
  • Antennas and transmission lines - A very exaustive article on antennas and transmission lines. Covers many aspects of antennas and feed lines, in spanish
    [ Hits: 493 | Votes: 1 | Rating: 2.00 ]
Antennas : Windom
  • Windom Antenna with 4:1 balun - The Windom is an Off-center wire multiband Antenna. The old version was fed just by a single-wire connected on 1/3 of antenna's overall length or with an open-line feeder (later versions). Here is another model with coaxial feeder, which is compatible with Solid States - 50 Ohm output transceivers .
    [ Hits: 7462 | Votes: 5 | Rating: 6.80 ]
Technical Reference : Calculators
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