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ISS
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Antennas : Antenna Calculators
- Transmission Line Calculator
- This web page allows you to perform transmission line calculations by using an applet instead of a Smith chart
[Hits: 2006 | Votes: 5 | Rate: 5.20] Antennas : Helical
- Axial-Mode Helical Antennas
- Notes on Axial-Mode Helical Antennas in Amateur Service. Helix Basics, Modeling Issues, and Short Helical Antennas Over Perfect Ground
[Hits: 1201 | Votes: 0 | Rate: 0.00] Antennas : Homebrewing Techniques
- Exploring the secrets of the Smith chart
- If you're a Radio Engineer wannabee, you need to understand transmission lines. It's impossible to really understand transmitters and antennas without understanding lines. Using the Smith chart is far easier than really understanding the math by Chris Scott and associates
[Hits: 689 | Votes: 0 | Rate: 0.00] Antennas : Portable
- Pedestrian mobile HF antenna
- This antenna allow transmission and reception on all bands between 7Mhz and 28 Mhz. Similar in concept to the Miracle Whip by VK3YE
[Hits: 1582 | Votes: 0 | Rate: 0.00] Antennas : Theory
- Antennas and transmission lines
- A very exaustive article on antennas and transmission lines. Covers many aspects of antennas and feed lines, in spanish
[Hits: 410 | Votes: 1 | Rate: 2.00] - Antenna Theory
- Introduction to Electromagnetics, Maxwell's Equations, Transmission Line, Models, scale modeling, constants
[Hits: 759 | Votes: 3 | Rate: 7.33] - Antennas and Transmission Lines Myths
- Antennas, Transmission Lines, Tuners - Myths, Mysteries and Qualifiers By Don Wilhelm W3FPR
[Hits: 231 | Votes: 0 | Rate: 0.00] Antennas : Tuners
- The EZ-Tuner
- The "EZ-Tuner" is a homebrew automatic legal-limit antenna tuner that covers all amateur HF bands from 160-10 meters. Using a T-network design and controlled by a BASIC Stamp BS2sx microcontroller, the EZ-Tuner will match at least a 16:1 VSWR for either unbalanced or balanced transmission lines.
[Hits: 4175 | Votes: 1 | Rate: 9.00] DX Resources : Beacons : Beacon stations
- WD2XGJ Experimental Station
- Experimental Longwave Transmissions from Tower Hill
wayland Massachusetts
Operator Name Warren, Ham Call K2ORS, Frequency: 137.7796 KHz
[Hits: 346 | Votes: 0 | Rate: 0.00] DX Resources : Ham Radio Awards
- Awards issued by SP5PB
- Warszawa 2000 Award, Mazowsze (Mazovia) Award, Vistula) River Award, All Baltic Islands Award, Maritime Mobile award, Baltic Sea lighthouses award
[Hits: 117 | Votes: 1 | Rate: 10.00] - The CQ DX Field Award
- The CQ DX Field Award is issued in four categories—Mixed, CW, SSB, and Digital—for confirmed two-way contacts with 50 or more Grid Fields
[Hits: 190 | Votes: 0 | Rate: 0.00] - JARL Awards Program
- Jarl web english page about jarl issued awards
[Hits: 186 | Votes: 0 | Rate: 0.00] - TA Award Program
- A awards will be issued to amateur stations and SWLs.
[Hits: 152 | Votes: 0 | Rate: 0.00] - WAU (Worked All Ukraine) award
- The WAU award is issued by the "RadioAmator" magazine for contacts with amateur radio stations in all regions of Ukraine, cities of Kiev and Sevastopol made after 01.01.1993.
[Hits: 174 | Votes: 0 | Rate: 0.00] - The Semenic Mountain Award
- issued by the members of YO2KJI
[Hits: 121 | Votes: 0 | Rate: 0.00] DX Resources : Ham Radio Awards : Lighthouses Awards Ham Radio : Clubs : North America : Canada : British Columbia Ham Radio : Clubs : North America : USA : Missouri
- SMARC
- The Southwest Missouri Amateur Radio Club, based in Springfield, Missouri, was incorporated in 1956 as a "benevolent organization" with the purpose of service to the community.
[Hits: 235 | Votes: 1 | Rate: 10.00] Internet and Radio : Video
- The Ham Band
- A music video describing the building of a modern contest station - it teaches you morse code at the same time! Musical styles change from French Musette to Viennese Walz to German Oompah and the musical key changes 25 times!
[Hits: 192 | Votes: 0 | Rate: 0.00] Operating Modes : International Space Station Publications : RF Foundamentals
- mikroElektronika books : Radio receivers
- Radio Receivers, from crystal set to stereo, free online ebook including, principles of radio transmission, direct radio receivers and superheterodyne receivers
[Hits: 410 | Votes: 2 | Rate: 6.00] Radio Equipment : HF Transceivers : Yaesu FT-847
- FT-847 on 70 Mhz
- A further study of the spurious emissions from an FT-847 on 70MHz
[Hits: 1210 | Votes: 1 | Rate: 8.00] Shopping and Services : Cables and Connectors
- Mi3nie
- HF wire antennas toroids, connectors and accessories, online shop
[Hits: 564 | Votes: 2 | Rate: 8.00] Technical Reference : Grounding
- Lightning Safety & Power Quality Issues
- LightningProtection: Lightning Safety & Power Quality Issues. A moderated professional forum by recognized experts, for accurate technical information on lightning, surge and grounding information.
[Hits: 462 | Votes: 1 | Rate: 10.00] Technical Reference : Test Equipment
- How to make a Q meter
- This article appeared in the February issue of Amateur Radio and is reprinted here for the convenience of others
[Hits: 1321 | Votes: 6 | Rate: 7.00]
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