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• G3SEK's Amateur Radio Technical Notebook
  
  A lot of good informations concerning antennas, filters, moonbounce, and circuitry data.
  [ Hits: 4670 | Votes: 23 | Rating: 4.69 ]

• N. American Data Communications Museum
  
  Telephony technology from telegraph to digital transmission
  [ Hits: 1057 | Votes: 0 | Rating: 0 ]

• AT DX news
  
  Alfa Tango DX searchable database
  [ Hits: 2237 | Votes: 3 | Rating: 9 ]

• Longwave Non-Directional Beacons
  
  Beacons operating in the longwave radio spectrum, generally between 200 and 450 kHz
  [ Hits: 5407 | Votes: 14 | Rating: 5.79 ]

• Mongolia DX Association
  
  Mongolian DX club with a lot of dx info and an online DX newsletter ...
  [ Hits: 658 | Votes: 3 | Rating: 1.67 ]

• OK1RR DX & Contesting Page - OK1RR
  
  Almost a fresh QSL manager Database Country Tables for YPLOG by VE6YP updated monthly Additional ...
  [ Hits: 3319 | Votes: 496 | Rating: 7.98 ]

• QSL INFO SYSTEM by IK4LZH
  
  QSL database lookup provided by IK4LZH
  [ Hits: 1113 | Votes: 1 | Rating: 10 ]

• OK1CDJ Ondrej - Ondrej
  
  VHF, UHF page, technical articles, projects, datasheets
  [ Hits: 3554 | Votes: 14 | Rating: 7.93 ]

• Grey Line Map
  
  Earth view, with satellite data provided by The Living Earth.
  [ Hits: 14446 | Votes: 73 | Rating: 6.5 ]

• Belden Wire & Cable Company
  
  Cables for any electrical application, with data sheets, comparisons, and on-line catalog.
  [ Hits: 3941 | Votes: 4 | Rating: 4.75 ]

• Kantronics
  
  Kantronics produce Modems Tnc Kam Marine wireless modems Packet radio communication devices HF E mail ...
  [ Hits: 9057 | Votes: 9 | Rating: 4.11 ]

• Distance and Bearing Finder
  
  This service uses data from the US Census and a supplementary list of cities around ...
  [ Hits: 10510 | Votes: 35 | Rating: 5.14 ]

• NAVSTAR GPS Timing Operations
  
  NAVSTAR GPS Timing Operations USNO GPS Data Information Files Global Positioning System Overview Current GPS ...
  [ Hits: 819 | Votes: 2 | Rating: 6.5 ]

• Ionosphere Web Site
  
  Ionospheric Data Archived at NGDC
  [ Hits: 828 | Votes: 1 | Rating: 9 ]

• Solar Region Data - SunSpots
  
  Solar Region Data Current Regions with Sunspots Summary, an useful tool for predictions
  [ Hits: 4440 | Votes: 13 | Rating: 4.84 ]

• CT Contest Logging Program Utilities
  
  My MMPRINT utility is a post contest tool that lets you extract statistical data from ...
  [ Hits: 1535 | Votes: 6 | Rating: 5.5 ]

• CQRLOG - Petr OK2CQR
  
  Advanced ham radio Linux logger based on Firebird database Provides radio control based on hamlib ...
  [ Hits: 2728 | Votes: 9 | Rating: 7.22 ]

• Lux-Log - LX1NO
  
  Ham logging software capable of handling up to 30 000 log books using one database ...
  [ Hits: 3232 | Votes: 35 | Rating: 7.37 ]

• Radio Component Database - KommunikasjonsSenteret
  
  Technical documentation for Radio Component`s
  [ Hits: 3422 | Votes: 11 | Rating: 6.36 ]

• Amateur Repeater Builders - Eric
  
  Radio Mods Technical Data where to Purchase Equipment Amateur Repeater Coordination All you need to ...
  [ Hits: 6937 | Votes: 5 | Rating: 6.8 ]

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