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Antennas : Array- Yagi for 80 and 40 meters
- Design plan of an array of a two element yagis for 80m and a 3 element 40m antenna sharing a single 12 meters long boom by EA5DY
[ Hits: 1735 | Votes: 4 | Rating: 6.5 ]
- 40 meter shortened dipole - M0MCX
- Interesting little project with a couple of loading coils by M0MCX
[ Hits: 14307 | Votes: 11 | Rating: 6.55 ]
- This Old Dipole
- An antenna construction workshop conducted at Marshall N1FN's QTH
[ Hits: 11839 | Votes: 6 | Rating: 7.17 ]
- 137 MHz QHF Quadrifilar APT Antenna
- This version of the 135MHz quadrifilar antenna for APT reception is an adaptation from Bill Sykes and Bob Cobey's article Taming the QFH which appeared in the March 1997 RIG magazine.
[ Hits: 6758 | Votes: 34 | Rating: 4.95 ]
- KB1SG's Rhombic Pages
- Great pages about KB1SG rhombic antennas collected by EI8IC.
[ Hits: 2845 | Votes: 2 | Rating: 10 ]
- ZS6BKW variant of the G5RV
- The ZS6BKW variant of the G5RV claims to offer multi-band coverage without the need for a tuner. This article looks at whether or not these claims are valid in a real life installation.
[ Hits: 7997 | Votes: 12 | Rating: 7.75 ]
- CQ Contests Rules and Awards
- CQ Contests rules, CQ World Wide 160-meter Contest
CQ World Wide WPX Contest CQ World Wide RTTY Contest
CQ World Wide RTTY WPX Contest CQ World Wide DX Contest CQ World Wide VHF Contest
[ Hits: 618 | Votes: 1 | Rating: 10 ]
- PA6Z
- Dutch Amateur Radio DX & Contest Group
[ Hits: 393 | Votes: 1 | Rating: 10 ]
- DK0BN Kontestgruppe
- Die kontestgruppe dk0bn
[ Hits: 303 | Votes: 1 | Rating: 10 ]
- International Amateur Radio Forum
- This forum is to bring together all interested in Amateur Radio both listeners and Operator's alike from all over the world
[ Hits: 426 | Votes: 1 | Rating: 10 ]
- GS Manufacturing
- HF Mobile and maritime antennas for 40-80-160 meters
[ Hits: 1654 | Votes: 5 | Rating: 9 ]
- Kits and Parts dot Com
- Supplying Toroids, Electronic Parts and Kits to Engineers, Schools and Hobbyists
[ Hits: 2139 | Votes: 2 | Rating: 7.5 ]
- Geophysical Alert Message wwv.txt
- Broadcast via WWV and WWVH at 18 and 45 minutes past the hour. This message is updated every 3 hours.
Reports current Solar-terrestrial indinces, Solar Flux, A-index, K-Index, forecast for space weather storms.
Prepared by the US Dept. of Commerce, NOAA, Space Environment Center
[ Hits: 1671 | Votes: 11 | Rating: 8.26 ]
- Yaesu VR-5000 control software
- F1MDT freeware remote control for yaesu VR-5000 in french
[ Hits: 5935 | Votes: 18 | Rating: 5.94 ]
- Tait Electronics Ltd - Asia Pacific
- Tait electronics provides advanced and reliable voice and data radio communications products and solutions, specialising in customised solutions for organisations worldwide.
[ Hits: 638 | Votes: 1 | Rating: 10 ]
- JavaScript Electronic Notebook, K7MEM
- It consists of a group of JavaScript driven web pages that are intended for use as a quick reference for Ham Radio operators or just anyone interested in electronics. Offer calculators for Resistors, capacitors, inductors, power supplies, filters, attenuators and antennas
[ Hits: 3222 | Votes: 16 | Rating: 7.62 ]
- EasyPal
updated
- Easypal is a freeware DSSTV software uses the DRM (Digital Radio Mondiale) encoding to allow the sending of image files over voice channels. This mode is known as Digital SSTV
[ Hits: 9342 | Votes: 25 | Rating: 6.42 ]
- MacTNC
- MacTNC is simple, configurable terminal software used by amateur (ham) radio operators to control a TNC (terminal node controller). MacTNC performs most of the same functions of other terminal software, but includes buttons for standard commands, and allows the user to configure additional buttons for special purposes. MacTNC works only user Mac OS X because it relies on Unix components of the current operating system.
[ Hits: 7141 | Votes: 11 | Rating: 6.94 ]
- OZ1DPR Gallery
- Linear amplifer picture gallery
[ Hits: 1544 | Votes: 5 | Rating: 6.4 ]
- External Keypad for FT-817
- An external keypad for FT-817(ND), for the serious portable/field-day contester/operator. Homebrew it with the free firmware and public circuit diagram.
The circuit is very simple and takes power supply from the ACC port of the radio
[ Hits: 2596 | Votes: 2 | Rating: 5.5 ]
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