Antennas : Tuners
- What tuners do
- How atenna tuners works and what are real effects on feed lines and maximun power output by G3TXQ
[ Hits: 1360 | Votes: 2 | Rating: 10.00 ]
- AT Forum
- AT Forum managed by Bob, 26AT026
[ Hits: 1767 | Votes: 3 | Rating: 3.67 ]
- Buckmaster's World Wide HamCall Server
- Ham Call server by Buckmaster. Author of HamCall CDRom
[ Hits: 23231 | Votes: 42 | Rating: 6.79 ]
- UALR Call Sign Search
- University of Arkansas at Little Rock's, U.S. Amateur Radio Callsign Lookup Page.
[ Hits: 4651 | Votes: 11 | Rating: 5.28 ]
- QRZ Call Sign Server
- Call Sign lookup by QRZ.com
[ Hits: 30586 | Votes: 85 | Rating: 6.78 ]
- The Finnish Callbook on the Web
- Finnish Call Book by Heikki Hannikainen (OH7LZB)
[ Hits: 600 | Votes: 2 | Rating: 5.50 ]
- Canadian Amateur Radio Callsign Database
- Search engine is provided by Radio Amateurs of Canada.
[ Hits: 4051 | Votes: 13 | Rating: 6.39 ]
- Jefferson County Amateur Radio Club
- Jefferson County Amateur Radio Club - Arnold, Mo
[ Hits: 236 | Votes: 0 | Rating: 0.00 ]
- Slovenia - ZRS
- Zveza Radioamaterjev Slovenije
[ Hits: 590 | Votes: 0 | Rating: 0.00 ]
- Dunestar Systems
- Manufacturer of single band and multiband transceiver bandpass filters for HF. High pass filters, two radoi headphones mix and switch, 6 meter portable antenna, antenna remote switching and steering.
[ Hits: 1326 | Votes: 2 | Rating: 1.00 ]
- 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: 8566 | Votes: 9 | Rating: 4.11 ]
- Lazy Dog Engineering LLC
- Manufacturer of software-defined radios and portable antennas
[ Hits: 2164 | Votes: 1 | Rating: 1.00 ]
- USNO Mater Clock Time
- Time reference from USNO, USNO Time in Standard Time Zones,USNO Master Clock Time Animated GIF Clocks, Analog Java Clock, Compute Local Apparent Sidereal Time, Check your local System Clock vs. our Master Clock!
[ Hits: 1654 | Votes: 9 | Rating: 5.89 ]
- Digital Communications Conference
- Hams convene each year at a Digital Communications Conference to evaluate and further the state of the art. TAPR's webserver provides conference papers from previous DCCs as well as information about the upcoming DCC.
[ Hits: 653 | Votes: 1 | Rating: 10.00 ]
- SPACEWARN Bulletin
- The SPACEWARN bulletin is intended to serve as an international communication mechanism for the rapid distribution of information on satellites and space probes.
[ Hits: 681 | Votes: 1 | Rating: 10.00 ]
- 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: 701 | Votes: 2 | Rating: 6.50 ]
- Celes Trak
- NORAD Two-Line Element Sets, FAQ, and related informations.
[ Hits: 676 | Votes: 2 | Rating: 10.00 ]
- Near-Realtime MUF indicator
- This is a highly informative map that can be used by amateur and professional radio communicators to determine maximum usable frequencies for any world-wide path at the indicated UTC (Zulu) time.
[ Hits: 26823 | Votes: 88 | Rating: 7.65 ]
- LZ1JZ QSL Print services
- QSL printing service based Bulgaria and managed by LZ1JZ, offer from single color to full color qsl cards.
[ Hits: 866 | Votes: 4 | Rating: 9.00 ]
- Weather Net
- Complete weather reports from USA Puerto Rico US Virgin Islands and Guam/Marianas
[ Hits: 2602 | Votes: 0 | Rating: 0.00 ]