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96 links

  • Tenna Dipper Kit - The "Tenna Dipper" is a low power antenna analyzer and ATU tuning aid. With this handy accessory, you can determine the 50 Ohm resonance frequency of antennas or you can adjust your antenna tuner for a 50 Ohm match without generating QRM
    [ Hits: 3858 | Votes: 3 | Rating: 4.00 ]
Antennas : Feed Lines
  • SWR: Maximum allowable VSWR - VSWR (voltage-standing-wave-ratio) represents the degree with which an antenna is "matched" to the system impedance. Most modern antennas do not require any tuning for optimum performance. VSWR is one of the easiest parameters to measure and VSWR meters are becoming very popular antenna installation tools
    [ Hits: 1126 | Votes: 3 | Rating: 3.33 ]
  • Transmission Lines - Articles on SWR measurements and feed lines tuning.
    [ Hits: 1009 | Votes: 0 | Rating: 0.00 ]
  • Antenna Transmatch Tips - Tips on tuning antennas using Antenna Tuning Units also called ATU. This article explains the functions and ills of tuners, along with some guide- lines for building an ATU.
    [ Hits: 3148 | Votes: 5 | Rating: 6.40 ]
  • Detuning Towers - The goal of detuning is not to avoid resonance, but rather to minimize re-radiation and/or current in the interfering structure.
    [ Hits: 674 | Votes: 1 | Rating: 10.00 ]
Antennas : Magnetic Loop
  • Remote Loop Tuning - Lyle Koehler's article on remote use of LF loop antennas for receiving purposes.
    [ Hits: 8717 | Votes: 6 | Rating: 4.50 ]
Antennas : Mobile
  • Antenna Tuning - Tuning mobile and base antennas, measuring SWR.
    [ Hits: 6382 | Votes: 3 | Rating: 5.00 ]
Antennas : Multiband
  • M1IOS - Wonder Whip antenna and tuner - M1IOS Wonder Whip antenna - The M1IOS Wonder Whip A 10 dollars QRP Portable Multiband Antenna for HF, VHF and UHF A variation on the Miracle Whip and Wander Wand. This antenna tuning unit will get your SWR really low on telescopic whips, mobile 3/8th antenna and long wires. A remarkable little tuner that really works!
    [ Hits: 13351 | Votes: 24 | Rating: 9.04 ]
Antennas : Receiving
  • How to build a tuned loop antenna  pop - How can you vastly improve your Medium Wave reception? its quite simple really, all you need is 120 foot of wire, a few lengths of timber and an old tuning capacitor with which you can build the answer to every DX'ers prayers, a tuned loop antenna.
    [ Hits: 22569 | Votes: 17 | Rating: 7.95 ]
Manufacturers : Antenna Parts
  • The KO6YD Screwdriver Antenna Memory - The Screwdriver Antenna Memory (SAM) product is designed to enhance the mobile antenna commonly called the "Screw Driver". It replaces your current control unit and provides an automated memory feature that eliminates the visual coil tuning method commonly used.
    [ Hits: 2743 | Votes: 1 | Rating: 10.00 ]
Operating Modes : Longwave
  • VLF-LF And the Loop Aerial - The article discusses the theory of loop aerials for receiving and how they reduce the level of local noise. A Loop Aerial is described suitable for use on the LF and VLF bands together with a circuit of an interface loop tuner and preamplifier. The discussion extends to the problems of amplifier noise and the advantages of tuning the loop.
    [ Hits: 3221 | Votes: 5 | Rating: 5.40 ]
Operating Modes : MFSK
  • DOMINO - new MFSK mode - A new MFSK mode with IFK by ZL1BPU and ZL2AFP.It is a simple Amateur Radio mode for keyboard QSOs. domino provides digital chat-mode operation on the HF bands, using the well respected sound card technique. Domino will handle TX/RX offsets and mistuning of 200Hz with ease, and will provide perfect copy of drifting signals up to 200Hz/minute!
    [ Hits: 2230 | Votes: 7 | Rating: 6.43 ]
Operating Modes : Packet Radio
  • An HF Packet Tuning Indicator - This article describes the use of a PSK31 soundcard program's "waterfall" display as great tuning indicator for any HF packet TNC
    [ Hits: 565 | Votes: 2 | Rating: 5.50 ]
Shopping and Services : CB Radio Stores
  • Sparkys cb shack - CB and 10 Meter Amateur Radio Sales and Service. Free Custom Tuning. Free Shipping. Home of the Sparktune Modulator. Give your radio that Blazing Modulation We stock Galaxy, Cobra, magnum, Connex, General,Uniden, Workman, Dosy, Hustler, Turner
    [ Hits: 9341 | Votes: 176 | Rating: 3.71 ]
Software : Radio Control
  • FT736 - Tuning control of the Yaesu FT-736R multiband VHF/UHF transceiver.
    [ Hits: 3861 | Votes: 30 | Rating: 5.60 ]
Software : SSTV
  • EZSSTV - Freeware MSDOS SSTV program by WB2OSZ, Automatic Calibration, Automatic Fine Tuning, Widest Variety of File Types
    [ Hits: 14469 | Votes: 53 | Rating: 5.99 ]
Software : Utilities
  • Class E - This program simplifies the design of the single-ended Class E amplifier. Operation is intuitive and encourages "tuning" and exploration.
    [ Hits: 800 | Votes: 3 | Rating: 6.00 ]
Technical Reference : Amplifiers Technical Reference : Filters
  • Tunekit - Filter Tuning Kit for Windows is a electronic filter synthesis program and a practical filter tuning aid for actually designing and building a working filter
    [ Hits: 4566 | Votes: 8 | Rating: 5.38 ]
Technical Reference : Receivers : Regenerative Receiver
  • A good regenerative receiver - A good SSB-CW-AM regenerative receiver with a fine tuning by moving the wooden stick with a grounded piece of PCB towards the coil.
    [ Hits: 6744 | Votes: 9 | Rating: 8.00 ]
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