184 links

Antennas : Baluns
  • DIY Basic Electronics and Antennas - DIY Basic Electronic Theory, Basic Antenna Theory with Antennas built from common materials. What does SWR really mean. Baluns from transmission line.
    [ Hits: 11246 | Votes: 15 | Rating: 7.85 ]
Antennas : Mobile
  • Inexpensive GPS mobile Antenna - An inexpensive external GPS antenna, for 1.5 GHz band for GPS receiver, If you operate APRS or just need an external antenna for your GPS receiver, here's one that is easy to build yet offers surprisingly good performance in a compact size. Best of all, it uses commonly available components and materials.
    [ Hits: 13891 | Votes: 9 | Rating: 6.67 ]
Antennas : Yagi
  • Yagi-Uda antennas - A Yagi-Uda antenna is familiar as the commonest kind of terrestrial TV antenna to be found on the rooftops of houses
    [ Hits: 14259 | Votes: 24 | Rating: 6.33 ]
Antique Radios : Parts and Tubes
  • Valve Data Sheets - This web page has full data sheets for a number of commonly used valves. Most are Eimac and include the 2C39A, 3-500Z, 3-1000Z, 3CX1500A7, 3CPX5000A7, 3CX5000A7, YC156, 3CX15000B7, 4CX250B, 4CX250A, 4CX1000A, 4CX1500B, 4CX10000J etc. These are not avialable on Eimac's web site in full - only brief notes.
    [ Hits: 4660 | Votes: 17 | Rating: 4.12 ]
Manufacturers : Towers and Accessories
  • Nally radio towers - Radio towers with designs made specificaly for Amateur Radio operators, incorporating mounting plates for most common rotators with in tower structure allowing for safety in the use,and tilt over preventing the need for climbing towers during regular maintance
    [ Hits: 14397 | Votes: 11 | Rating: 7.00 ]
Operating Aids : Beginner's Guides : What Amateur Radio is
  • What is Ham Radio - What is ham radio, why Are They Called Hams and more answers to common questions by DCARC
    [ Hits: 1153 | Votes: 1 | Rating: 10.00 ]
Operating Modes : Mobile : Maritime Mobile
  • National Weather Service Marine Forecasts - Amateur radio, commonly referred to as "Ham" radio, is popular among the yachting and small boat community as a means of providing communications and receiving weather information.
    [ Hits: 185 | Votes: 0 | Rating: 0.00 ]
Operating Modes : RTTY Operating Modes : Satellites : Clubs
  • Amsat australia - AMSAT is a worldwide group of Amateur Radio Operators who share a common interest in building, launching and communicating with each other through non-commercial Amateur Radio satellites.
    [ Hits: 303 | Votes: 0 | Rating: 0.00 ]
Propagation : Resources
  • Basics of Radio Wave Propagation - Exaustive introduction to radio wave propagation, includes a very detailed glossary on common propagation terms, composed by AE4TM.
    [ Hits: 4470 | Votes: 27 | Rating: 7.57 ]
Shortwave Radio : SWL Resources
  • Monitoring the Crisis in the Balkans - By the Monitoring Times Staff, NATO HF Frequencies, NATO Common VHF/UHF Frequencies and English Language Shortwave Broadcasts from the Balkans
    [ Hits: 1109 | Votes: 1 | Rating: 8.00 ]
Software : Antenna analysis
  • Ve3sqb Antenna Programs - Programs for common antennas and some experimental, includes, dipoles, quad, Yagi, verticals, discone, jpole skyhoppers and parabolic antennas
    [ Hits: 11934 | Votes: 51 | Rating: 7.63 ]
Software : Browser extensions
  • HamToolBar - The Ham addon for Internet Explorer. Fast access to commonly used Ham Radio websites and resorces. Run for Windows 95/98/ME.
    [ Hits: 1904 | Votes: 9 | Rating: 8.89 ]
Software : Log Analysis
  • DXView  pop - A free application that displays location information determined from a callsign, displays translations of common "QSO words and phrases" in the languages used in the callsign's DXCC entity, displays beam headings and SpotCollector DX Spots on a world map, displays country maps, and provides point-and-click control of antenna rotators from AlfaSpid, ARSWIN, Heath, Hygain, M2, Prosistel, SARTek, TIC, Trackbox, and Yaesu
    [ Hits: 27214 | Votes: 594 | Rating: 7.42 ]
Software : Utilities
  • HAMIC - The Ham Intelligent Calculator - HAMIC, is a program designed to simplify a number of calculations commonly used by HAMs. It is designed for the HAM radio hobbyist, but may be useful to others as well. HAMIC has a simple to use, but powerful graphical interface that allows solving simple circuits such as resistors in series or parallel, or more complex circuits such as L networks or T networks. As well, other calculations such as SWR and reactance conversions are supported. Windows shareware.
    [ Hits: 1623 | Votes: 2 | Rating: 5.50 ]
Technical Reference : Amplifiers
  • Tube Amplifier data and tech info - Source of common model manuals and amateur help on amplifier problems for the amateur bands, Discussion of vacuum tube amplifiers. Technical information and discussion of obselete tube replacement.
    [ Hits: 4636 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Antenna Switch
  • Antenna switch - An easy to build antenna switch with common rele
    [ Hits: 11585 | Votes: 5 | Rating: 9.00 ]
Technical Reference : Coax Cables and Connectors Technical Reference : Homebrew
  • Eprom Eraser - An Eprom Eraser with UV-Ray for 27Cxx Eprom (and similar, common in TNC) with a timer
    [ Hits: 1719 | Votes: 4 | Rating: 7.50 ]
Technical Reference : Mic wiring
  • Microphone Wiring Diagrams  pop - Some mic wiring diagrams for Ranger, Realistic Alan, Cobra, Ge, Uniden, Yaesu, kenwood, Icom radios. Diagrams for the microphone connections on many of the common CB radios, as well as some popular Amateur radio transceivers.
    [ Hits: 61684 | Votes: 118 | Rating: 6.25 ]
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