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126 links - and 5 categories

Antennas : 160M Antennas : 80M
  • 80m Dipole - A wire dipole antenna for 80 meters band
    [ Hits: 1140 | Votes: 5 | Rating: 8 ]
Antennas : Dipole
  • Folded Dipole - A trifilar folded dipole antenna for 80 meters band
    [ Hits: 1656 | Votes: 7 | Rating: 5.72 ]
Antennas : End-Fed : End Fed Half Wave Antenna Antennas : Receiving Antennas : Theory : Impedance matching
  • An Examination of the Gamma Match - A Working analysis of the gamma match problem that gives useful practical results in a article dated April 1969.
    [ Hits: 1655 | Votes: 0 | Rating: 0 ]
Ham Radio : Clubs : North America : Canada : British Columbia
  • SARC - Surrey Amateur Radio Club - Fast growing Amateur Radio Club with many varied interests, Two time Canadian Field Day champions. We welcome new Amateurs and especially those wanting to become Amateurs, we have one of the best instructors in the lower mainland and 3 volunteer examiners
    [ Hits: 236 | Votes: 5 | Rating: 7.8 ]
Ham Radio : Exams : Study Guides
  • How to study for your ham radio licence - The very first thing you need to know is which exam you need to take and what you can do with different licences. A basic guide to understand what you need to to do to get your amateur radio licence
    [ Hits: 374 | Votes: 0 | Rating: 0 ]
Ham Radio : Hamfests
  • USECA Hamfest Detroit - The Metro Detroit area's largest Amateur Radio club presents it's annual Hamfest. Prizes, ARRL reps, DXCC Card checker, VE Exams, Chef Paul's Café, test bench, Vendors galore..
    [ Hits: 275 | Votes: 0 | Rating: 0 ]
Ham Radio : Regional : Japan
  • ARRL/VEC Yokohama VE Team - Volunteer group registered by the ARRL/VEC that conduct FCC amateur radio license examinations in Yokohama.
    [ Hits: 223 | Votes: 0 | Rating: 0 ]
Internet and Radio : Sounds
  • Signal Identification Guide - This wiki is intended to help identify radio signals through example sounds and waterfall images. Most signals are received and recorded using a software defined radio
    [ Hits: 705 | Votes: 3 | Rating: 1 ]
  • Radio Sound Examples - Always wanted to know what kind of sounds we hear, when listening to the radio? Here are some examples
    [ Hits: 458 | Votes: 2 | Rating: 4.5 ]
Operating Modes : Mobile : RV & Camping
  • Ham Radio Antenna Installation on a Van - The RoadTrek design presents some unique challenges to us hams. Here an example of a VHF and HF antenna installation on a VAN
    [ Hits: 1070 | Votes: 2 | Rating: 5.5 ]
Technical Reference : Ham Radio Go Kits
  • Amateur Radio Go-Box - The best way to describe a go-box is a complete amateur radio station in a box. An example is described in this article.
    [ Hits: 3582 | Votes: 10 | Rating: 7.67 ]
  • Rack de comunicaciones - EB1AGG Go Box - An example of amateur radio GoBox with pictures and presentation of devices include. In Spanish
    [ Hits: 431 | Votes: 0 | Rating: 0 ]
Technical Reference : RF Safety
  • How Common Mode Chokes Work - Examine the function and operation of a common mode choke and the way it reduces unwanted interference. Common Mode Choke vs. Single Choke
    [ Hits: 736 | Votes: 2 | Rating: 10 ]
Technical Reference : Radio Frequency Interference
  • TVI Filters - High pass filter schematics for TVI and examples of finished filters
    [ Hits: 1006 | Votes: 5 | Rating: 7.6 ]
Technical Reference : Repeater
  • Cross Band Repeaters - Crossband Repeating is a process where a Ham transmits one signal on one band (typically UHF), and it is received by another radio with a better antenna/power installation, and re-transmitted (typically on VHF) to another radio system, or a repeater. Everyday examples of cross-band repeaters are repeater receive sites that hear the input signals on 2m and retransmit those signals on a frequency higher than 220 MHz.
    [ Hits: 206 | Votes: 0 | Rating: 0 ]
Technical Reference : TVI Filters
  • TVI filters - Examples of absorbtive low-pass filters in which the unwanted high-frequency energy is separated from the wanted output and then dissipated in matched resistors
    [ Hits: 356 | Votes: 0 | Rating: 0 ]
  • Television Notch Filters - Intersting article about TV interference, with several examples of TVI Filters, to reduce the passage of any RF above the 30 MHz including commercial Low Pass Filters, home made notch filters or coaxial filters.
    [ Hits: 454 | Votes: 2 | Rating: 3 ]

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