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Query: maine
Links: 17 | Categories: 1
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A rotary trapped-dipole for 17 and 20 meters, as described by IZ7ATH, presents a practical solution for multi-band HF operation. The author, Talino, recounts his experience building this antenna for IK7ZCQ, detailing the evolution from an initial concept involving a grounded-driven element and gamma-match to a direct-fed, non-grounded design. His pragmatic approach, adapting available materials, is evident throughout the construction narrative, particularly with the use of eight tapered aluminum pipes for the driven element. Construction specifics include precise measurements for the aluminum tubing, with diameters ranging from 30 mm down to 16 mm, and a critical note on reducing tip thickness for weight optimization. The _traps_, initially a concern, are fabricated using 8 turns of RG58 coax on a 27 mm support, tuned to resonate at 18.1 MHz using a dip-meter. Talino emphasizes sealing the traps with RF glue and PVC tape to prevent water ingress, a crucial step for longevity. Field test results, conducted on a 10-meter pole in a clear garden environment, showed an SWR of 1.2:1 on 17 meters and 1.5:1 at 14.200 MHz. While SWR varied slightly when installed at Mario's QTH due to nearby objects, the antenna's performance remained commendable. The final half-dipole length is 46 cm for the 18 MHz tips, and the total weight is under 6 kg, with potential for further reduction.
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Manufacturer of custom belt buckles,coffee mugs,t-shirts,sweat shirts,maine gifts,name tags,call tags and awards for police, fire, sheriff, ham radio and amateur radio clubs
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Ham radio club in Maine USA
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Website about Midcoast Maine's Pen Bay Amateur Radio Club, W1PBR.
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The Wireless Society of Southern Maine is a ham radio club serving the Portland, Westbrook, Gorham, and Scarborough, areas in Southern Maine.
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A small amateur radio club located in northern Maine along the Saint John River.
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Established in 1914 and affiliated with the ARRL since 1930, the Portland Amateur Wireless Association has the distinction of being the oldest Amateur Radio club in Maine
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The Downeast Spectrum is an Amateur Radio newsletter covering topics of interest to enthusiasts of the Ham Radio hobby and service. It also reports on the activities of three ham radio clubs in Down East, Maine
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The W6JWS 2-meter Repeater Maintenance and Repair Log documents the ongoing upkeep of a 146.745 MHz repeater, specifically addressing modifications to enhance its functionality. It details changes made to ensure the repeater powers up in _PL mode_ and to improve the reliability of touch-tone control, drawing comparisons to similar work performed on the AE6KE repeater. The log also notes a repair to a fused wire in the reverse battery protection circuit after an accidental polarity reversal, highlighting a temporary workaround where a wire was omitted but the system remained operational. The resource includes practical insights from Jeff Liebermann, AE6KS, regarding jumper configurations and programming, with accompanying photos. It provides access to several documents for the Icom RP-1510 repeater, including operating manuals and a schematic for the single logic board version, which differs from the dual-board configuration described in some printed manuals. The log mentions a specific modification to adjust the dropout delay, which was later deemed unnecessary, and references a related project for the AE6KE repeater, aiming to replicate successful modifications on the W6JWS machine, resulting in improved touch-tone reliability and proper PL mode activation.
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Amateur radido station KB1HNZ operator Tim Watson, Gorham, Maine.
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Wireless Society of Southern Maine Projects, instructions and photos for many ham radio projects and experiments, including antenna construction and modelling, kit building, station setup, restoration and more
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The Maine QSO Party is designed to encourage Maine stations to expand their knowledge of DX propagation on the HF and MF bands, improve their operating skills, and improve station capability by creating a competition in which W/VE, and DX stations have the incentive to work Maine. The MEQP is Maine's Premier International HF Contest.
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System Fusion is a digital communications mode for voice and data, including pictures. It utilizes a customized, yet open, C4FM FDMA standard. An introduction to Yaesu System Fusion by Wireless Society of Southern Maine
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The WSSM Emergency Communications Team serves the Cumberland County Emergency Management Agency (CCEMA), and the community in general, by providing emergency communications assistance, conducting programs and training, promoting radio knowledge, fraternalism, and individual operating efficiency, and to conduct activities as to advance the general interest and welfare of Amateur Radio as a viable and efficient means of communications support.
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The Maine 2 meter FM Simplex Challenge is a ham radio contest primarily designed to give 2 meter operators a chance to compete on an even basis, and have fun doing it.
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The York County Amateur Radio Club (YCARC) in Maine, USA, promotes amateur radio knowledge and camaraderie. The site features club information, activities, and upcoming events for radio enthusiasts.