t matching

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t matching

72 links - and 1 categories

Antennas : 15M
  • 21 mhz half wave GP Antenna - 21 mhz half wave ant -very low radiation angle - full size and light weight- all coax matching system - decoupling care to prevent low angle radiation degrade
    [ Hits: 2690 | Votes: 5 | Rating: 2.4 ]
Antennas : 6M
  • 50MHz J-Pole Antenna  pop - Need a general purpose antenna on the magic band? The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarised antenna without the need for a ground plane. In technical terms, it is an end fed vertical 1/2 wave which is fed via a 1/4 wave matching stub.
    [ Hits: 32957 | Votes: 14 | Rating: 6.5 ]
Antennas : End-Fed Antennas : Homebrewing Techniques Antennas : J-Pole
  • J-Pole theory  pop - The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. It does not need a ground plane, radials or a complicated matching system. The J-Pole can be cheaply, simply and quickly constructed using a variety of techniques, some of which are discussed in this article.
    [ Hits: 29859 | Votes: 25 | Rating: 6.74 ]
  • Wireman-J-Poles for 2m-40m  pop - J-Poles with Wireman-cables for the quarterwave matching section, working on VHF and HF bands
    [ Hits: 26121 | Votes: 230 | Rating: 8.3 ]
  • 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: 3233 | Votes: 6 | Rating: 5 ]
Antennas : Receiving
  • Broadband receiving antenna matching - This article addresses the subject of obtaining the best signal transfer from an antenna to the typical 50-ohm receiver input over a wide frequency range, with emphasis on medium-wave (500 - 2000 kHz), encompassing the standard AM broadcast band and the 160-m amateur band.
    [ Hits: 5943 | Votes: 4 | Rating: 6 ]
Antennas : Theory
  • Quad or Loop antenna - Information about quad and loop antennas, matching tips, differences on polarization and impedence by PA0FRI
    [ Hits: 848 | Votes: 3 | Rating: 4.33 ]
Antennas : Theory : Impedance matching
  • Omega and Gama Matching - Article about omega and gamma matching, related to bandwidth, loss and component failures, heating and power ratings
    [ Hits: 3076 | Votes: 3 | Rating: 7 ]
Antennas : Tuners
  • A Multi-type "one-box" Antenna Tuner - This antenna tuner is a multi-type matching system in the same box, which includes L - Pi and T networks.
    [ Hits: 7281 | Votes: 3 | Rating: 9.67 ]
Antennas : Vertical
  • 9 band vertical HF antenna by RW3XA  pop - Simple vertical radiator with matching box. No traps, no tuner required for this multiband antenna
    [ Hits: 37235 | Votes: 42 | Rating: 7.42 ]
  • 6m Half wave vertical - This antenna is very useful for receiving or scanning purposes, but you can use it for transmitting, too. It is 2,94m long and has a pi-configuration (Collins-Filter) for the matching.
    [ Hits: 3730 | Votes: 4 | Rating: 7.75 ]
DX Resources : Logs
  • Logbook of the World - LoTW - ARRL's Logbook of the World (LoTW) system is a repository of log records submitted by users from around the world. When both participants in a QSO submit matching QSO records to LoTW, the result is a QSL that can be used for ARRL award credit.
    [ Hits: 1187 | Votes: 6 | Rating: 6.33 ]
Operating Modes : Mobile
  • G3TSO Mobile Antenna Page - Some useful information for tuning mobile antennas gained the hard way. A collection of useful tips and hints on adjusting and matching a mobile antenna and methods of feeding a mobile antenna
    [ Hits: 53 | Votes: 1 | Rating: 10 ]
  • K0BG's ham radio mobile operator web site - This site is dedicated to mobile amateur radio operators, old and new alike. Whether you are into HF, or VHF operation, I trust the information presented will increase your enjoyment of our great hobby. With safety as a byword, there are articles on amplifiers, antennas, bonding, impedance matching, installing hardware, mobile equipment, noise and RFI abatement, wiring, and much more. I do my best to keep these articles up to date, and easy to follow.
    [ Hits: 4592 | Votes: 10 | Rating: 8.7 ]
Radio Equipment : HF Vertical Antenna : Cushcraft R7
  • R7 Vertical Maintenance and Repair - How repair the traps, and then homebrew the rest of the antenna, including the matching box
    [ Hits: 4415 | Votes: 7 | Rating: 5.57 ]
Software : Legacy Systems : MS DOS
  • TANT 136 - DOS program for calculating the performance of a T antenna. Gives loading coil info and matching plus ERP by Reg G4FGQ
    [ Hits: 416 | Votes: 2 | Rating: 2.5 ]
Software : Utilities
  • RevLoad - This graphics-intensive program reveals the load on the output of a matching-network, based on measurements of the components in that network. Adjust the network (tuner) for a flat input, measure or look up the network component values and you will immmediately see the R and jX values of the load on the network, presented as both a schematic with the component values and as a Smith Chart normalized to the specified system impedance.
    [ Hits: 600 | Votes: 1 | Rating: 10 ]
Technical Reference : HF Radios
  • K1TTT Technical Reference - Technical reference about Accessories, Amplifiers, Antennas, Cable and Connectors, Filters, Geography, Grounding, Gunk, Matching Networks, Projects, Propagation Info Radios, RFI/EMI, Rotors, Station Setup, Towers.
    [ Hits: 4987 | Votes: 5 | Rating: 5.6 ]

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