data587 links - and 5 categories
- G3SEK's Amateur Radio Technical Notebook
- A lot of good informations concerning antennas, filters, moonbounce, and circuitry data.
[ Hits: 4487 | Votes: 23 | Rating: 4.69 ]
- N. American Data Communications Museum
- Telephony technology from telegraph to digital transmission
[ Hits: 954 | Votes: 0 | Rating: 0.00 ]
- Radio Era Archives
- REA offers a wide variety of items for antique radio. We have schematics, old books, reference data, historical information in paper copy form or on CD-ROM.
[ Hits: 5684 | Votes: 33 | Rating: 3.34 ]
- Contest scores by dxwatch.com
- A searchable database containing user submitted scores for most contests. Information gathered from 3830 mailing list
[ Hits: 866 | Votes: 1 | Rating: 10.00 ]
- CT Contest Logging Program Utilities
- My MMPRINT utility is a post contest tool that lets you extract statistical data from a CT log file
[ Hits: 1381 | Votes: 6 | Rating: 5.50 ]
- IARU R1 VHF Beacon List
- This list of VHF/UHF beacons is compiled for IARU Region 1 by G0RDI, and it builds upon the valuable work contributed by G3UUT
[ Hits: 878 | Votes: 1 | Rating: 1.00 ]
- Canadian Amateur Radio Callsign Database
- Search engine is provided by Radio Amateurs of Canada.
[ Hits: 4082 | Votes: 13 | Rating: 6.39 ]
- Mongolia DX Association
- Mongolian DX club with a lot of dx info and an online DX newsletter
[ Hits: 580 | Votes: 3 | Rating: 1.67 ]
- OK1RR DX & Contesting Page
- Almost a fresh QSL manager Database, Country Tables for YPLOG by VE6YP (updated monthly), Additional files for the TRLoog by N6TR. Technical topics for HF Contesting (mostly CW), software download (a huge collection)
[ Hits: 3097 | Votes: 494 | Rating: 7.99 ]
- QSL INFO SYSTEM by IK4LZH
- QSL database lookup provided by IK4LZH
[ Hits: 960 | Votes: 1 | Rating: 10.00 ]
- Grey Line Map
- Earth view, with satellite data provided by The Living Earth.
[ Hits: 13356 | Votes: 70 | Rating: 6.55 ]
- Belden Wire & Cable Company
- Cables for any electrical application, with data sheets, comparisons, and on-line catalog.
[ Hits: 3804 | Votes: 4 | Rating: 4.75 ]
- Timeware tech.
- Amateur Radio Products, Noise Reduction Filters, Data Controllers, deviation meter, Software, DSP-RTTY
[ Hits: 2932 | Votes: 0 | Rating: 0.00 ]
- Kantronics produce Modems, Tnc, Kam, Marine, wireless modems. Packet radio communication devices, HF E-mail, paging, GPS tracking, weather data gathering, or wireless data transmission.
[ Hits: 8639 | Votes: 9 | Rating: 4.11 ]
- Distance and Bearing Finder
- This service uses data from the US Census and a supplementary list of cities around the world to find the latitude and longitude of two places, and then calculates the distance between them. It also provides a map showing the two places, using the Xerox PARC Map Server.
[ Hits: 9356 | Votes: 31 | Rating: 5.39 ]
- NAVSTAR GPS Timing Operations
- NAVSTAR GPS Timing Operations, USNO GPS Data & Information Files Global Positioning System Overview Current GPS Constellation, GPS Time Transfer Operations, GPS & Glonass Satellite Visibility
[ Hits: 712 | Votes: 2 | Rating: 6.50 ]
- Sunrise, Sunset, Moonrise, Moonset, and Twilight Report
- U.S. Naval Observatory, Sunrise, Sunset, Moonrise, Moonset, and Twilight ,Moon Illumination, Positions of the Sun and Moon , Eclipses
[ Hits: 1804 | Votes: 8 | Rating: 7.00 ]
- Solar Region Data - SunSpots
- Solar Region Data Current Regions with Sunspots Summary, an useful tool for predictions
[ Hits: 4292 | Votes: 13 | Rating: 4.84 ]
- Ham logging software capable of handling up to 30,000+ log-books using one database and one image copy, and many more features by Norbert Oberweis - LX1NO / KM6RY
[ Hits: 2912 | Votes: 35 | Rating: 7.37 ]
- HRDLabel is a software for printing labels, QSL and envelope using the Ham Radio Deluxe logbook database.
[ Hits: 2765 | Votes: 0 | Rating: 0.00 ]
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