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Antennas : 4M- A centre-fed co-axial dipole for 4m
- Easy to setup dipole antenna for 4 meters band by Tony Hawker G4CJZ
[ Hits: 6604 | Votes: 14 | Rating: 5.78 ]
- Folding the Dipole
- The half wave dipole antenna is a simple and practical antenna model that consists of a half wavelength long centre fed conductor.
[ Hits: 2377 | Votes: 4 | Rating: 7.5 ]
- Dipole Centre Insulator
- GM3MCK Central dipole insulator for inverted V dipoles
[ Hits: 790 | Votes: 0 | Rating: 0 ]
- Feeder Radiation
- Connecting centre fed antennas, dipoles, yagis, rhombics, loops to coaxial cable, unless care is taken, it is not difficult to end up with feeder radiation resulting in power loss and the radiation characteristics changes
[ Hits: 1826 | Votes: 4 | Rating: 8 ]
- G5RV multi-band antenna
- Multi-band centre-fed antenna capable of very efficient operation on all HF bands, specifically designed with dimensions which allow it to be installed in gardens and other open spaces which accommodate a reasonably-straight run of 31.1m (102 ft) for the flat-top standard model.
[ Hits: 7302 | Votes: 8 | Rating: 7.38 ]
- Homemade Carolina Windom antenna
- This multiband wire antenna it is an off centre fed dipole, with 10 feet of vertical radiator, needs no tuner on 40m, 20m and 10m and works fine on all bands above 40m with a tuner, and even below 40m on 60m, and 80m.
[ Hits: 8183 | Votes: 12 | Rating: 7.58 ]
- G5RV Antenna
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- The G5RV antenna, with its special feeder arrangement, is a multiband centre-fed antenna capable of very efficient operation on all hf bands from 3.5 to 28 MHz
[ Hits: 75166 | Votes: 98 | Rating: 6.32 ]
- eQSL
- The electronic qsl card centre, send and receive QSL card electonically
[ Hits: 931 | Votes: 5 | Rating: 8.8 ]
- The Nittany Amateur Radio Club
- The club is based in State College, Centre County, Pennsylvania, the geographic center of the Commonwealth, in the middle of the Allegheny Mountains.
[ Hits: 323 | Votes: 0 | Rating: 0 ]
- Radio licensing centre
- UK radio licensing resource
[ Hits: 1392 | Votes: 4 | Rating: 5.25 ]
- VLF Time Broadcasts
- VLF Time Signal Stations, Station List Compiled by William Hepburn, LWCA
[ Hits: 284 | Votes: 0 | Rating: 0 ]
- Radiosonde : how to listen to them
- Frequencies and location of every meteo radiosonde launching centres in Europe. Equipments, antennas, history, SondeMonitor and BalloonTrack tutorials
[ Hits: 748 | Votes: 3 | Rating: 6.67 ]
- Official UK distributor for IRLP
- Official UK distributor & Support centre for the IRLP network.
[ Hits: 746 | Votes: 2 | Rating: 9.5 ]
- LW Navtex Broadcasts
- Navtex Maritime Safety Information Broadcast Channels
[ Hits: 1133 | Votes: 2 | Rating: 9 ]
- Tropospheric Ducting Forecast
- William Hepburn's Daily Tropospheric Ducting Forecast.
[ Hits: 5972 | Votes: 28 | Rating: 7.87 ]
- Australian Space Forecast Centre
- Current HF Radio Propagation and Space Weather Report
[ Hits: 1743 | Votes: 2 | Rating: 8.5 ]
- Spy Centre
- All about Spy Numbers Stations, which send coded messages to agents. Includes schedules and frequencies of stations.
[ Hits: 7257 | Votes: 11 | Rating: 7.74 ]
- Azimuth
- The AZIMUTH program plots a world map in either azimuth (beam heading) or Mercator projections. If you specify your home location in latitude and longitude, the azimuth projection is centred on your location. The Azimuth map program can display Maidenhead grids - this is useful for 6m, 2m, and UHF DX communication display. Various features of the map are: Azimuth or Mercator projections , Maidenhead grid display, Simple map zooming, Print maps with adequate resolution up to one meter sized map
[ Hits: 6292 | Votes: 3 | Rating: 9 ]
- CQ Log
- CQLog is a powerful logging program for Windows. It provides a comprehensive control centre for everyday on-the-air activities, including: full-featured logging of QSOs; statistics for many awards (for LoTW and eQSL capability); support for QRZ, RAC, GOLIST databases. You can save up to 3 pictures for each SSTV-QSO. Two-way data exchange with MixW2, and DigiPan. Integrates with DX Atlas. Real-time upload of QSOs to eQSL.cc. The program also offers a "contest-mode"; supports CAT systems for YAESU, ICOM, KENWOOD, Ten-Tec. Prints QSL cards, and QSL labels, addresses envelopes.
[ Hits: 15471 | Votes: 129 | Rating: 7.7 ]
- eQSLMaster
- eQSLMaster is a HAM radio program, that allow to perform various functions using the Electronic QSL Card Centre (eQSL.cc).
With eQSLMaster users of the eQSL.cc system have the ability to upload an entire ADIF format log file (or single QSO) and have it deposited into eQSL central database using LogServices.
[ Hits: 3954 | Votes: 5 | Rating: 5.6 ]
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