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122 links - and 2 categories

Antennas : Dipole
  • The Hairpin Monopole Antenna - Numerous questions have been raised concerning its performance, namely How can a balanced structure radiate? and What is its impedance? This article will attempt to answer these questions.
    [ Hits: 1359 | Votes: 2 | Rating: 8.50 ]
  • Inverted V - Described is a simple inverted-V antenna which, when used with a balanced ATU, can be used on all the main Radio Amateur HF bands (80, 40, 20, 15 and 10m). The cental support is made in such a way that the wire can be coiled up for storage when the antenna is taken down.
    [ Hits: 3111 | Votes: 1 | Rating: 8.00 ]
Antennas : End-Fed
  • Feeding an End-Fed Antenna - End-Fed antennas are NOT balanced systems; but neither are verticals, ground planes, discones, windoms, zepps, Marconis, half-slopers, et al. Additionally, the low-impedance antenna port of your transmitter/receiver is not balanced.
    [ Hits: 19166 | Votes: 20 | Rating: 7.76 ]
Antennas : Feed Lines
  • The Clemens Match by W9ERN - Balanced feed with coaxial line by John F. Clemens W9ERN
    [ Hits: 498 | 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: 1155 | Votes: 0 | Rating: 0.00 ]
  • Rolling your own balanced feed lines - An article by VE1VQ that illustrate how to home made a balanced feed line
    [ Hits: 1495 | Votes: 1 | Rating: 10.00 ]
Antennas : Feed Lines : Open Wire
  • 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? By Paul Danzer, N1II
    [ Hits: 1944 | Votes: 4 | Rating: 3.25 ]
Antennas : Loop Antennas : Shortwave
  • Small Tuned Loop AM Broadcast Antenna - Alan yates vk2zay's ham radio website, homebrew construction, general electronics, high voltage experiments, amateur rocketry, and general geek stuff
    [ Hits: 1425 | Votes: 1 | Rating: 4.00 ]
Antennas : Stealth
  • W4INF Hidden House Loop Antenna - If you live in a restricted subdivision, you need to make the most out of it. This loop antenna is balanced line fed and works 40m-10m, does decent on 80m.
    [ Hits: 6009 | Votes: 4 | Rating: 1.00 ]
Antennas : Tuners
  • The EZ-Tuner - The "EZ-Tuner" is a homebrew automatic legal-limit antenna tuner that covers all amateur HF bands from 160-10 meters. Using a T-network design and controlled by a BASIC Stamp BS2sx microcontroller, the EZ-Tuner will match at least a 16:1 VSWR for either unbalanced or balanced transmission lines.
    [ Hits: 5231 | Votes: 1 | Rating: 9.00 ]
  • S-MATCH Universal ATU - PA0FRI's "S-MATCH ATU" published in RSGB's RadCom March 2003). The Balanced Universal ATU Photographs of ZL2ML's S-Match were added.
    [ Hits: 4948 | Votes: 15 | Rating: 6.14 ]
  • Emtech ZM-2 Antenna Tuner Kit - The Emtech ZM-2 Antenna Tuner is a nifty little portable transmatch for QRP (low power). It utilizes the well-known Z-match circuit, which is especially useful for balanced antennas (like dipoles and loops).
    [ Hits: 3102 | Votes: 4 | Rating: 3.25 ]
  • Balanced Line Tuner - A small Z-Match tuner, BLT, Balanced Line Tuner is a simple Z-Match tuner that works from 10-40 meters
    [ Hits: 651 | Votes: 0 | Rating: 0.00 ]
Antique Radios : Collections Contesting : Clubs DX Resources : DX Peditions
  • ZL7T - 2009 Chatham Island, New Zealand dx pedition A multinational team of nine ZL DXers is active from Chatham Island in the South Pacific
    [ Hits: 139 | Votes: 0 | Rating: 0.00 ]
DX Resources : Ham Radio Awards
  • ZL Awards - New Zealand, the information has been taken from the New Zealand Call Book, published annually by NZART
    [ Hits: 239 | Votes: 0 | Rating: 0.00 ]
Manufacturers : Antennas : VHF UHF Microwave : Microwave antennas Operating Modes : Repeaters
  • 6-Meter Ham Frequencies - Alan Muir, VE7BEU, on behalf of the Westcoast Amateur Radio Association,(Victoria) is assembling and submitting the 6-meter Repeater pairs in use to the BC Amateur Radio Coordination Council.
    [ Hits: 472 | Votes: 1 | Rating: 10.00 ]
Radio Equipment : Antenna Analyzers
  • Analyzing Three Antenna Analyzers - On this page W8WWV present some measurements he made with three of the popular antenna analyzers. MFJ MFJ-269, AEA CIA-HF, Autek RF-1
    [ Hits: 2460 | Votes: 0 | Rating: 0.00 ]
Radio Scanning : Regional
  • Radio Wiki NZ - Wiki Site dedicated to radio scanning info in New Zealand
    [ Hits: 619 | Votes: 3 | Rating: 4.00 ]
Software : Beacon Monitoring
  • BeSpeak - BeSpeak is a real time HF beacon announcer. You select a band and the screen shows location, callsign and status of the beacon transmitting at that time.
    [ Hits: 688 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Amplifiers
  • A low cost 600 watt ultra-linear amplifier  pop - This compact little amplifier is the brain-child of Pat Murdoch, ZL1AXB, in Auckland, New Zealand. It is only 11" wide, 4" high, and 9" deep. Operates for 40, 20, 17, 15, 12, and 10m
    [ Hits: 28294 | Votes: 21 | Rating: 6.39 ]
Technical Reference : Calculators
  • T-Pad / H-Pad Resistance Calculator - This calculator is designed to give resistor values for unbalanced T-pads, and for balanced H-pads.
    [ Hits: 977 | Votes: 9 | Rating: 4.77 ]
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