p a system

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p a system

708 links - and 5 categories

Antennas : 40M
  • 40 meter 4-square antenna - A permanent working 40 meter system based on a 4-square antenna
    [ Hits: 7868 | Votes: 3 | Rating: 4.33 ]
Antennas : 80M
  • A Horizontal loop for 80 meter dx - This 80-meter quad loop system requires only supports of modest height a better single-element antenna may be hard to find
    [ Hits: 6561 | Votes: 4 | Rating: 5.5 ]
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: 21453 | Votes: 22 | Rating: 7.33 ]
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 : Homebrewing Techniques
  • Radial System Design - Are the lengths of antenna radials related to the height of a vertical? By N6LF
    [ Hits: 859 | Votes: 1 | Rating: 5 ]
Antennas : Theory Antennas : WiFi
  • Selecting a WiFi antenna - What is the best WiFi antenna for me? Looking for a range extender antenna for your WiFi system. This article will help in choosing the correct antenna for your system
    [ Hits: 5632 | Votes: 3 | Rating: 7.33 ]
Ham Radio : Clubs : North America : Canada : British Columbia
  • The Vancouver Island Trunk System - To provide a network of open Amateur radio repeaters, for general and emergency communications use, throughout Vancouver Island, surrounding waters and parts of the lower mainland on the West Coast of British Columbia Canada.
    [ Hits: 1346 | Votes: 3 | Rating: 8.33 ]
Ham Radio : Clubs : North America : USA : Connecticut Ham Radio : Clubs : North America : USA : Florida
  • NI4CE West Central Florida Group, Inc - Founded in 2001 to manage and operate West Central Florida's only regional linked amateur radio repeater system. Currently, the NI4CE Repeater System operates nine repeaters from five sites with more on the way. NI4CE covers all or parts of twelve counties in West Central Florida and provides mobile coverage along the areas I-75 and the I-4 corridors.
    [ Hits: 815 | Votes: 3 | Rating: 7 ]
Ham Radio : Clubs : North America : USA : New Jersey Manufacturers : Morse Key
  • Unified Microsystems - W9XT contest card DVK Digital Voice Keyer, morse keyers CW memory keyer, beacon CQ IDer, USB interfaces and more for ham radio operators
    [ Hits: 4930 | Votes: 2 | Rating: 5 ]
Operating Modes : APRS Propagation : Resources
  • Is HF propagation reciprocal - Some test circuits using the ACE-HF System Simulation & Visualization software, about reciprocal propagation on HF bands by NW7US
    [ Hits: 520 | Votes: 1 | Rating: 7 ]
Software : Internet Linking
  • Ipox5 radio link system - Ipox5 is the freeware version of a commercial radio linking system, designed for amateur, nhw, emergency communications etc. It is optimised for mobile broadband and difficult IP links. It allows PC access, and up to 100 users on your link at one time. Usefull for multiple PMR446 use on very large sites. Works under Windows 98, XP, Vista, and Linux (under Wine)
    [ Hits: 1421 | Votes: 1 | Rating: 10 ]
Software : QSL
  • QSL Maker  pop - Freeware Windows QSL card printer software. This tool will let you create you own QSL cards importing pictures and customizing colors and other cards aspects. Print directly to your ink-ject or laser printer. Runs on windows systems by wb8rcr
    [ Hits: 32341 | Votes: 55 | Rating: 5.88 ]
Software : Radio Programming
  • FreeSCAN - Freeware windows program for programming the Uniden SC230, BC246T, BC330T, BCD396, BC15T and BCD996T scanners. FreeSCAN allows to download and uploading programming, remote control the scanner, log hits, and supports printing out of systems and groups.
    [ Hits: 2873 | Votes: 14 | Rating: 6.01 ]
Software : Repeater Control
  • SvxLink - Echo Link client for Linux and general purpose voice services system for ham radio use. The svxlink server consists of a core that handles the connection to the tranceiver. The core can be configured to act as a repeater controller or to operate on a simplex channel
    [ Hits: 3371 | Votes: 5 | Rating: 7.8 ]
Technical Reference : Grounding
  • The Ufer ground system - A new look at the Ufer ground system by Chris Scott
    [ Hits: 1335 | Votes: 2 | Rating: 7 ]
Technical Reference : Radio Frequency Interference
  • Phase Noise. - This is perhaps the most important parameter in many oscillators and it deserves an in-depth discussion on what it is, how it affects a system and how it can be minimised in an oscillator design.
    [ Hits: 612 | Votes: 0 | Rating: 0 ]

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