j match

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j match

79 links

Antennas : 160M Antennas : 2M
  • 2 Meter Slim Jim antenna from Ordinary Wires - Slim Jim (J Integrated Match J-Pole) is probably the most easiest and powerful 2 meter antenna to build provided you have the exact measurement and material to build it.
    [ Hits: 5349 | Votes: 6 | Rating: 5.17 ]
Antennas : Baluns
  • Tuner Baluns on Input - There is a common perception that placing a balun on the input of a tuner causes the balun to work better. The thought is the balun operates with a matched impedance and that reduces balun losses. It also is thought that moving the balun improves balance.
    [ Hits: 594 | Votes: 1 | Rating: 1 ]
Antennas : Coils
  • Antenna Matching Coil Adjustment Procedure - Without this basic knowledge, addressing antenna problems, RFI problems, and matching problems, results in a frustrating situation. Procedure which must be followed to properly adjust a shunt matching coil.
    [ Hits: 2676 | Votes: 4 | Rating: 4 ]
  • Matching Coil Adjustment - There is a specific procedure which must be followed if proper adjustment of a shunt matching coil is to be achieved.
    [ Hits: 455 | Votes: 0 | Rating: 0 ]
Antennas : End-Fed Antennas : End-Fed : End Fed Half Wave Antenna
  • End Fed Half Wave Antenna for 6 / 40 Meter - 6m to 40m EndFed Half Wave Antenna project produces an inexpensive, multiband, end fed HF antenna matchbox that is quick and easy to setup and use.
    [ Hits: 3248 | Votes: 7 | Rating: 7.15 ]
Antennas : Feed Lines Antennas : Homebrewing Techniques
  • From Transmitter to Antenna - A collection of articles on the subject of impedance, impedance matching and high-frequency power transmission by G3YNH
    [ Hits: 1159 | Votes: 0 | Rating: 0 ]
Antennas : Tuners
  • Switched inductor L match tuner - A 10 to 80 meters band qrp antenna tuner by KC8AON, based on Steve Weber, KD1JV "ALT or Altoids L Tuner"
    [ Hits: 6466 | Votes: 9 | Rating: 7 ]
  • A Portable Antenna Matching Unit - A small HF antenna tuner project for qrp operations. Includes circuit diagrams pictures and test results by GW4ALG
    [ Hits: 15342 | Votes: 7 | Rating: 5.14 ]
  • The Z-match antenna tuner - Article about the z-match antenna tuner
    [ Hits: 2324 | Votes: 0 | Rating: 0 ]
  • Z-Match Antenna Tuner project - This Z-Match is a link coupled all-band tuner. Two all band tank circuits cover 3-14mhz and 14-30mhz. The tank output links are selected with a very heavy duty SPDT rotary switch.
    [ Hits: 1173 | Votes: 0 | Rating: 0 ]
  • Z-Match 100 and mini Z-Match - This is a one for all antenna tuner with wide range tuning on all the HF bands. The tuner is based on a G3WQW design. DIY project by PD7MAA
    [ Hits: 923 | Votes: 0 | Rating: 0 ]
  • S-Match a symmetrical universal tuner - This ATU is based on the oringal project by PA0FRI
    [ Hits: 1113 | Votes: 1 | Rating: 10 ]
  • A 100W Z-Match for 160m to 10m - This is a project by F5IMV devided to build a balanced Z-match, capable of matching an unbalanced 50 ohm transmitter output into an antenna fed by balanced feeders.
    [ Hits: 2070 | Votes: 5 | Rating: 6.4 ]
Manufacturers : QRP Kits
  • HF Projects Kits - Provide service, quality home construction projects, travel antennas, masts and bases, hf and vhf amplifiers, low pass filters and z-match tuners
    [ Hits: 748 | Votes: 0 | Rating: 0 ]
Operating Modes : Weak Signal
  • Using MT65 - MAP65, a panoramic, polarization-matching receiver for JT65 by K1JT
    [ Hits: 559 | Votes: 0 | Rating: 0 ]
Software : Weak Signal
  • MAP65 - MAP65 works together with the Linrad software. The Linrad/MAP65 combination implements a wideband, polarization-matching receiver for the JT65B protocol.
    [ Hits: 501 | Votes: 1 | Rating: 9 ]
Technical Reference : QRP Projects
  • QRP Z-Match - Small QRP Z-match project for max 10 W output by DL2LTO
    [ Hits: 1149 | Votes: 2 | Rating: 9.5 ]

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