tech

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tech

842 links - and 6 categories

Antennas : 40M
  • Bazooka antenna for 40 meters - A bazooka antenna project for the 7 Mhz, includes dimension for to homebrew your own bazooka for HF bands
    [ Hits: 8641 | Votes: 13 | Rating: 6.69 ]
Antennas : 40M : 40 meter Vertical Antennas
  • 40m broadband vertical antenna - A loopy loop loaded vertical antenna operating range 7.0 to 7.3 MHz by S. C. Chuck Smith, WA7RAI
    [ Hits: 6567 | Votes: 15 | Rating: 7.52 ]
Antennas : Coils Antennas : Four Square
  • Four square phased verticals - This page is a short description of the four phased verticals system i've build and used. It is primarily intendend to be used on the lower bands 160m, 80m, 40m.
    [ Hits: 3258 | Votes: 16 | Rating: 6.76 ]
Antennas : J-Pole
  • The DBJ-1 VHF-UHF Dual Band J-Pole - Searching for an inexpensive, high performance dual band base antenna for VHF and UHF ? Build a simple antenna that uses a single feed line for less than $10.
    [ Hits: 6277 | Votes: 5 | Rating: 6 ]
Antennas : Tuners
  • 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: 3431 | Votes: 6 | Rating: 5.33 ]
Antennas : Wire
  • D3 Antenna for Field Day - D3+ High Performance Antennas for Field Day. This article describes versatile broadband wire antennas. These antennas will double your effective radiated power over a dipole, will be easy and inexpensive to build and install, and will be simple to match.
    [ Hits: 2639 | Votes: 7 | Rating: 4.86 ]
Antennas : Yagi CB Radio : Clubs
  • Wisconsin Michigan CB Radio And Scanner Club - Here you will find an assortment of related links to some of the best CB and Scanner Sites on the Web. As well as a wealth of information on these two hobbies and others including articles on Ham Radio and other wireless technologies.
    [ Hits: 644 | Votes: 9 | Rating: 10 ]
Ham Radio : Blogs : Europe
  • Passion RadioAmateur 2.0 - French Blog about amateur radio and new technologies, Internet, Hyperfréquences (SHF), DX Radio et Contests, Antennas and Videos by F1JXQ
    [ Hits: 355 | Votes: 0 | Rating: 0 ]
Ham Radio : Blogs : USA
  • n9adg.com - Amateur radio, Technology, Towers, Land, Wilderness, real estate, Visalia DX Convention Report #1 Flexradio Antennas Dxpedition, Elecraft introduces K3, here are pictures of the radio from the outside and inside from the Visalia DX Convention
    [ Hits: 369 | Votes: 0 | Rating: 0 ]
Ham Radio : Clubs : North America : Canada : Newfoundland & Labrador
  • VO1MRC Marconi Radio Club of Newfoundland - Incorporated 7 November 2001: the centenary year of Marconi's first transatlantic wireless experiment. Objective: to promote science, engineering, technology and traditional amateur radio through the Marconi communications legacy.
    [ Hits: 697 | Votes: 0 | Rating: 0 ]
Ham Radio : Clubs : North America : Canada : Ontario
  • Oakville Amateur Radio Club - A local resource offering Club repeaters, weekly meetings, breakfasts and technical assistance.
    [ Hits: 421 | Votes: 0 | Rating: 0 ]
Ham Radio : Clubs : Technical Specialty
  • W5HN North Texas Microwave Society - Dedicated to Promoting Activity, the State of the Art in Equipment Design, and the Exchange of Ideas and Technology for the Amateur Bands Above 902 MHz
    [ Hits: 439 | Votes: 1 | Rating: 10 ]
Ham Radio : Exams : Exam Questions
  • Amateur Question Pools - Technician, General and Extra question pools in different formats by NCVEC
    [ Hits: 4582 | Votes: 8 | Rating: 4.62 ]
Operating Modes : VHF UHF
  • The Repeater Builder's Technical Information - If you want to build a repeater, this is the right place to start. Includes construction projects and reviews of repeater hardware available in the market.
    [ Hits: 1884 | Votes: 1 | Rating: 8 ]
Radio Equipment : HF Amplifiers : Yaesu FL-2100
  • YAESU FL-2100Z Amplifier Repairs - The FL-2100Z amplifier referenced in the following images is the 6-Band model covering 10m thru 160m (no WARC bands) and not the 9-Band version that included the WARC bands. Modifications, schematics and manual
    [ Hits: 3477 | Votes: 8 | Rating: 7.25 ]
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: 32110 | Votes: 27 | Rating: 6.67 ]
Technical Reference : Filters
  • Second-Harmonic-Optimized Low-Pass Filters - Sometimes we need a little more output filtering than traditional designs offer. Look at a new filter that can give you that extra boost. QST article by W3NQN
    [ Hits: 877 | Votes: 0 | Rating: 0 ]
Technical Reference : Soldering and Desoldering

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