- W6RCA's No-Tuner, All-HF-Band
- W6RCA's No-Tuner, All-HF-Band, Horizontal, Center-Fed Antenna
[ Hits: 12626 | Votes: 63 | Rating: 6.96 ]
- Hybrid Antennas
- Antennas that use a combination of vertical and horizontal polarisation.
[ Hits: 4552 | Votes: 2 | Rating: 6.50 ]
- The Gain of the Axial-Mode Helix Antenna
- by Dr. D.T. Emerson, National Radio Astronomy Observatory (NRAO++). Antenna Compendium Volume 4, pp 64-68, 1995, published by the ARRL.
[ Hits: 2380 | Votes: 5 | Rating: 3.20 ]
- Short Vertical Antennas and Ground Systems
- This article describes how an effective ground system can be produced for a short vertical antenna.
[ Hits: 23088 | Votes: 11 | Rating: 6.08 ]
- Projects and Info Center
- Antenna projects and info center by KP4AO, including The Optimized Wideband Antenna (OWA) Yagi and Skyhawk, a state-of-the-art trapless tribander
[ Hits: 5197 | Votes: 2 | Rating: 10.00 ]
- N. American Data Communications Museum
- Telephony technology from telegraph to digital transmission
[ Hits: 938 | Votes: 0 | Rating: 0.00 ]
- Contest Club Finland
- Finnish Club dedicated to contest, with awards and reflector
[ Hits: 688 | Votes: 0 | Rating: 0.00 ]
- Mongolia DX Association
- Mongolian DX club with a lot of dx info and an online DX newsletter
[ Hits: 577 | Votes: 3 | Rating: 1.67 ]
- Grey Line Map
- Earth view, with satellite data provided by The Living Earth.
[ Hits: 12734 | Votes: 68 | Rating: 6.61 ]
- Grey Map
- Gray line map in black and white
[ Hits: 2203 | Votes: 0 | Rating: 0.00 ]
- The BullDog Iambic Key
- Inexpensive light weight key for beginners and pros alike by K9LU
[ Hits: 653 | Votes: 4 | Rating: 1.75 ]
- Ant Panel Products
- Planar UHF and Microwave Antennas for Hams and WLAN's
[ Hits: 1836 | Votes: 2 | Rating: 1.00 ]
- Moon Calendar
- Current moon phase and monthly moon calendar
[ Hits: 762 | Votes: 4 | Rating: 8.50 ]
- Meteors Q&A
- very informative, answers questions like what is forward scatter, how does a meteor reflect radio waves ?
[ Hits: 625 | Votes: 3 | Rating: 6.33 ]
- AMSAT Colorado
- The Colorado AMSAT Net Page
[ Hits: 553 | Votes: 2 | Rating: 5.50 ]
- Monitoring Times
- Monitoring Times, SWL, BCL, montly reports, Broadcast band, satellite television, long-wave coverage, Reviews of new products and radio-related software.
[ Hits: 4639 | Votes: 13 | Rating: 8.53 ]
- Universal Radio
- Online Catalog. All about Radio comms, HF VHF Scanner CB radios, antennas and accessories
[ Hits: 28656 | Votes: 31 | Rating: 7.09 ]
- Weather Satellite FAQ
- A comprehensive guide to receive Weather Satellites signals in wefax mode
[ Hits: 1837 | Votes: 1 | Rating: 8.00 ]
- Antenna Visualization
- UNIX Application developped at the University of Texas Department of the Computer Sciences, permit to display the radiation pattern and the current magnitude.
[ Hits: 5827 | Votes: 21 | Rating: 5.81 ]
- GcmWin : Great Circle Map
- GCM is a freeware great circle map plotting software for windows, you can choose colours, scale, meridians, fields and or squares from the maidenhead locator system.
[ Hits: 24524 | Votes: 74 | Rating: 6.54 ]
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