field day57 links
Antennas : J-Pole
- J-Pole theory
- 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: 30034 | 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: 1527 | Votes: 2 | Rating: 7.5 ]
- Crossed Field Antenna
- The Crossed Field Antenna (CFA) is one of the applications of Correction of Maxwell's Equations which was used over 150 years ago which was proved these days that the Magnetic Field Source is only the Displacement Current not the Conduction Current .
These Corrections was made by an Egyptian Doctor Engineer Fathi Kabbary , who reached the New Correct Theory which shows that the height and efficiency of the antenna doesn't depend on the wavelength
[ Hits: 2229 | Votes: 5 | Rating: 2.8 ]
- HF Wire antennas
- About HF Wire Antennas for field day or any day
a basic wire antenna article
[ Hits: 1827 | Votes: 5 | Rating: 7.16 ]
- The Field Day Special Antenna
- Antenna that's simple,
inexpensive lightwiight and easy to install
[ Hits: 3523 | Votes: 6 | Rating: 6 ]
- 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: 1859 | Votes: 2 | Rating: 7 ]
- DARC IARU-Region-1-Fieldday
[ Hits: 476 | Votes: 2 | Rating: 7 ]
- Western Amateur Radio Association
- The Western Amateur Radio Association, founded in 1978, is a Ham radio club based in Fullerton, California. The club supports and participates in many activities, including Field Day, transmitter hunting, microwave, satellite, and APRS, to name a few.
[ Hits: 262 | Votes: 0 | Rating: 0 ]
- Western Illinois Amateur Radio Club
- WI ham club partecipate in Field Day, sponsers an annual Swapfest held in August, and provides various repeaters.
[ Hits: 1172 | Votes: 1 | Rating: 10 ]
- Michigan Amateur Radio Alliance
- We publish a quarterly newsletter, hold Field Day,Public service events and still provide Morse Code classes on our repeater W8USA 145.230
[ Hits: 1065 | Votes: 3 | Rating: 1.67 ]
- Twin City FM Club
- Largest general-purpose ham radio club in Twin Cities. Three repeaters, fully equipped two position HF club station, contesting, field day, and more.
[ Hits: 2269 | Votes: 6 | Rating: 7.17 ]
- Hall of Science Amateur Radio club
- Amateur radio club serving NEW YORK area. Club has fully equipped station,holds two hamfests a year,ve exam ,field day and contesting.
[ Hits: 2439 | Votes: 10 | Rating: 6.7 ]
- Brightleaf Amateur Radio Club
- Club activities, news and newsletter Ham Chatter Online features a member each month. Field Day pictures, etc. Home of VOA transmitter sites. Club calls, W4AMC & W1VOA Greenville, NC
[ Hits: 1028 | Votes: 19 | Rating: 8.52 ]
- Alliance (Ohio) Amateur Radio Club
- Club Information, Membership roster, officers, meetings, field day and more.
[ Hits: 1249 | Votes: 3 | Rating: 10 ]
- NTAN Nightly Talk Around Net
- Nightly Talk Around Net sparked many new ideals and has promoted Amateur Radio in our area with things like, ARES, Skywarn Classes, Field Day, VE testing, Internet and other events that bring our Hams together as one big family.
[ Hits: 667 | Votes: 0 | Rating: 0 ]
- EZMaster by HamRadioSolutions
- EZMASTER the all mode all in one interface. USB/Parallel/Serial Device. Include 75 sec Digital Voice Keyer, K1EL Winkey CW Keyer, SO2R switching, two radio interface, two RTTY audio insulated ports, two flexible Antenna Switch control. Ideal for Contesting, SO1R, SO2R, field day and daily activity.
Compatibile with all software on the market : CT, CTWIN, TR, NA, WriteLog, N1MM, WinTest, MMTTY, MIXW and more .
[ Hits: 2015 | Votes: 4 | Rating: 4.25 ]
- Wireless Field Day Log Program
- A reliable logging system for Field Day based
on wireless networking. Freeware, runs on macintosh, linux and windows
[ Hits: 1939 | Votes: 1 | Rating: 10 ]
- Field Day Logging Program
- This program checks for duplicates (including partials), lists the sections (which change color when they have been worked), lists all contacts, writes ASCII log, dupe and summary files, and provides many current statistics by N3FJP
[ Hits: 2554 | Votes: 5 | Rating: 8.6 ]
- SQUIRL Field Day Logger Software
- Squirl field day logger - a no-frills, easy to use software logger designed for field day logging operation. by KC8OPV
[ Hits: 1009 | Votes: 6 | Rating: 7 ]
- 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: 2462 | Votes: 2 | Rating: 5.5 ]
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