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Loaded Dipole Antenna Calculator . We can express that as a fractional bandwidth: An antenna loading coil is an inductor placed in series with an antenna element in order to lower the antenna’s resonant frequency. Dipole antenna calculator from www.sasadoctor.com Distance from antenna base to the center of the coil in feet. Further, with frequency dependent loads, the antenna can be broad band compared with an unloaded one. Total height of antenna in feet.

Delta Loop Antenna Calculator . 1005 * (velocity factor of coax) / 4 * (target frequency) The two above pictures show the radiation pattern of the delta loop fed in the bottom corner of the antenna. 70mhz(4metre)deltaloop gw7aav2 from sites.google.com Excellent strength, made of aluminium, stainless steel and smartech hq wire, for mil/aerospace uses. Delta loop beam antenna calculator another delta loop antenna (using *isosceles triangle*) leonard wb3ayw 10/31/06originally posted by arrg. The best for long distance dx +39 0972537070 /+39 3450946300;