s match

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s match

231 links - and 1 categories

Antennas : 2M
  • VHF Yagi Antenna with Gamma Match - An interesting article on building a 4 elements yagi antenna with gamma match for the 2 meter band. This article include two videos demonstrating assembling procedure by KG0ZZ
    [ Hits: 2361 | Votes: 28 | Rating: 4.03 ]
Antennas : 6M : 6 meter Yagi Antennas
  • Six Meter Yagi Beam - Article describing how to homebrew a yagi antenna for 50 MHz, includes plans for a four and five elements yagi beam and details how how match impedence with a gamma match
    [ Hits: 1036 | Votes: 3 | Rating: 4.33 ]
Antennas : Antenna Calculators Antennas : End-Fed
  • End-Fed 6-40 M Multiband Antenna - This project produces an inexpensive, multiband, end fed HF antenna matchbox, quick and easy to setup. This project creates a trifilar wound, 9:1 UNUN toroid matching transformer. Handles 100W and need an antenna tuner.
    [ Hits: 1989 | Votes: 4 | Rating: 8.25 ]
Antennas : End-Fed : End Fed Half Wave Antenna
  • End Fed Half Wave Antenna - An easy to deploy antenna, commonly considered the best solution for portable operations. Thir article includes a simple LC parallel circuit to match the impedance by IW7EHC
    [ Hits: 1382 | Votes: 2 | Rating: 1.5 ]
  • 20m Half-Wave End Fed  updated - A Half wave antenna has a high impedance feed point. This can be matched using a 1/4 wave stub matching section and converts the 40m vertical into an L-shaped 20m J-Pole antenna. The 300 ohm feeder used for this purpose must be kept away from the ground.
    [ Hits: 1841 | Votes: 7 | Rating: 8 ]
Antennas : Feed Lines
  • Antenna feed impedance - Article on antenna feed impedance and the importance of matching RF andtennas to feeders, including notes on Radiation resistance, loss resistance, and efficiency are also detailed.
    [ Hits: 430 | Votes: 1 | Rating: 10 ]
Antennas : Loop
  • Full Wave Loop Dimensions - This article contains the measurements for building a full wave loop using wire and length of 1/4 Wave Coax Matching Transformer
    [ Hits: 1088 | Votes: 3 | Rating: 7 ]
Antennas : Patch
  • The Basics of Patch Antennas - This article explores the basic concepts of patch antennas. Topics include principles of operation, impedance matching, radiation pattern, circular polarization, bandwidth, efficiency, alternative feed types, stacked patches and higher mode behavior.
    [ Hits: 803 | Votes: 1 | Rating: 9 ]
Antennas : Theory : Impedance matching
  • Matching with one-twelfth-wavelength feed line - Matching with a half wave or wuarter wave coaxial cable is pretty well known, but an existing 1961 system to do that with two one-twelfth-wavelength transmission lines.
    [ Hits: 540 | Votes: 1 | Rating: 10 ]
  • Matching and SWR - SWR or VSWR - the most widely known yet most misunderstood terms in Amateur Radio. Article by GW6ITJ
    [ Hits: 535 | Votes: 1 | Rating: 8 ]
  • Gamma Match - Homebrewing a Gamma Match to tune yagi antennas
    [ Hits: 747 | Votes: 2 | Rating: 5.5 ]
  • How to make a gamma match - how to make a gamma match for a antenna. The Gamma match is the most used matching device used for yagi beams.
    [ Hits: 1462 | Votes: 8 | Rating: 5.38 ]
Antennas : Tuners
  • 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 ]
  • Z-Match and L-Match Tuners - W5USJ and BLT Z-Match Tuner Schematics
    [ Hits: 1598 | Votes: 3 | Rating: 3.67 ]
  • QRP Antenna Tuner project - This is a project aboout compact and portable a QRP antenna tuner for use in the HF ham radio bands from 3-30 MHz, even if it's a compact and efficient project this small antenna tuner will not match any possible load.
    [ Hits: 283 | Votes: 0 | Rating: 0 ]
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 ]
Software : Log Analysis
  • ClubLog - Log Inspector - Club log, the popular online logbook service, offer an online general pourpose contacts log analysis including DXCC Charts, QSL Charts, log inspector, and many statistical reports with charts and log matching with other clublog users.
    [ Hits: 510 | Votes: 2 | Rating: 10 ]

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