field day antennas
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Antennas : 40M : 40 meter Vertical Antennas
- A Simple 40 Meter Vertical for Field Day
- A dipole antenna for 7 MHz support for this antenna is fiberglass military mast
[ Hits: 994 | Votes: 1 | Rating: 5 ]
- J-Pole theory
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- The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. It does not need a ground plane, radials or a complicated matching system. The J-Pole can be cheaply, simply and quickly constructed using a variety of techniques, some of which are discussed in this article.
[ Hits: 30316 | Votes: 26 | Rating: 6.87 ]
- Portable HF Antenna for the field day
- This article describes a project of asymmetrical hatted vertical dipole, a portable antenna that can be used for field day operations, sota, campings or even for fixed installations. This is a freestanding 20-10m antenna that is really easy to build, easy to tune and relatively easy to carry.
[ Hits: 1643 | Votes: 2 | Rating: 7.5 ]
- HF Field Day Antenna Ideas
- Homebrewing portable antennas for field day operations
[ Hits: 588 | Votes: 1 | Rating: 1 ]
- Squid Pole Mounting for Field Days
- Supporting wire antennas with squid poles
[ Hits: 433 | Votes: 1 | Rating: 9 ]
- Antennas of Field Day
- Main High Frequency Antennas from the 2009 LARC FARL Field Day, Ford Amateur Radio League. A document comparing antenna performances and flexibility among a G5RV an Carolina Windom and a Cushcraft R7 vertical antenna.
[ Hits: 409 | Votes: 0 | Rating: 0 ]
- Field Day Antennas
- HF VHF UHF antenna ideas to be used for field days. All antennas are quick to set up and take down and offer proven performance and flexibility. Presentation offered by Mahoning Country ARES
[ Hits: 491 | Votes: 0 | Rating: 0 ]
- HF Wire antennas
- About HF Wire Antennas for field day or any day
a basic wire antenna article
[ Hits: 1957 | Votes: 5 | Rating: 7.16 ]
- Portable Wire Antenna
- W4ZT used this antenna for Field Day and other portable applications. He built them for all bands between 160 meters and 6 meters. You can make them easily using whatever wire you have available and make the insulators from scrap plastic
[ Hits: 1919 | Votes: 2 | Rating: 7 ]
- D3 Antenna for Field Day
- D3+ High Performance Antennas for Field Day.
This article describes versatile broadband wire antennas. These antennas will double your effective radiated power over a dipole, will be easy and inexpensive to build and install, and will be simple to match.
[ Hits: 2639 | Votes: 7 | Rating: 4.86 ]
- Random Wire Antennas
- ARRL article on random wire antenna, simple antennas that can be tuned for every band, excellent solution for field day operations
[ Hits: 1335 | Votes: 3 | Rating: 7.67 ]
- HF Wire Antennas for Field Day
- Dipole antennas, vertical half-wave dipole antennas with impedence tranformes that can be used for portable operations. Some well worn antenna configurations are the easiest and loudest lash-ups you can try.
[ Hits: 219 | Votes: 0 | Rating: 0 ]
- WA0DX Turkey Island DX Club
- The club was founded in 1987 when a group of ham operators hauled radio gear, antennas, and a generator to the island by boat to operate portable during ARRL Field Day
[ Hits: 245 | Votes: 1 | Rating: 8 ]
- Propagation on 630 Meters and 2200 Meters
- This is a theoretical look at propagation on 630-Meters and 2200-Meters using ray tracing software. It expands on the brief discussion in the ARRL Handbooks.
The Earth's magnetic field affects 630-Meter and 2200-Meter band propagation. Lower ionization reduces absorption, aiding low-frequency propagation. Differences exist between bands, limited daytime sky-wave propagation. Sunrise/sunset show promise, yet mechanisms are unclear. Ducting possible at night in specific conditions. Negative ions enhance propagation. Inefficient antennas and high man-made noise are anticipated. Groundwave propagation is significant on 2200-Meters.
[ Hits: 36 | Votes: 1 | Rating: 10 ]
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