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best HF antenna system next to a trailer?
Hi,
I'd like some advice for determining the best antenna to put up in my situation. I am getting set to move to a trailer park in northeast arizona, about 50 miles west of Gallup, NM. Locals have no objection to antennas so long as people don't have to run into them via normal passage ways. The trailer is 12 feet high by 15 feet wide by 50 feet long, facing N-S. Nearest certain ground is electrical panel. The water pipe is metal but could be interrupted throughout system by PVC. There may also be significant noise from AC systems in park. Good news is that my wife is giving me an entire walk-in closet for my station, and that I can lay aluminum foil against all surfaces to create a Faraday cage. I have approx 25 to 30 feet between my trailer and neighbors, and a 35 foot altitude streetlamp 6 feet away curb. Soil conductivity is red clay, extremely poor. Significant rainfall (monsoons) summer to fall. Winds gusting to 50 or 60 mph during winter. Soil frosts between October to March. I would like to work CW DX on 40, 30, 20, and 17 meters. 80 and 160 would be a bonus. Conventional options such as tower or surplus telephone pole are out of the question due to cost and lack of available area. Radials must be buried as children are playing nearby. Probable options: 1) Load up the streetlamp with an antenna matcher, work against 180 degrees of buried radials out to 1/8 lambda. 2) Solder a series of tin/steel cans (cantenna) using pocket torch and copper tape to 1/4 lambda with added capacitance hat(s), brace the cans against the ground and the trailer, work against 270 to 360 degrees of buried radials out to 3/8 lambda. 3) Create a mast from 40 feet of metal pipe and 15 feet of wood rod, brace against trailer burying pipe end 10 feet, mount an inverted vee trap dipole in N-S direction for E-W DX. 4) Pair of masts on either side of the trailer, mount a delta loop from each mast, feed one loop and use the other as a reflector. 5) Pair of cantennas on each side of the trailer, operating as out of phase pair of 1/4 lambda verticals. Which would be best? And where do I place the lightning arrestor(s)? Thanks, The Eternal Squire |
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