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Amateur Vertical Antenna Calculator
This calculator is designed to give the vertical
length (height) of a particular antenna, for the frequency and
wavelength chosen. This does NOT take into consideration the type or
size of horizontal reflectors, of even if there is a need for them.
Enter the desired frequency and select the wavelength. Click on
Calculate and the optimum length for that combination will be
displayed in feet, inches and fractions of inches, and in meters. To
optimize the antenna for a frequency RANGE, do the calculations
twice, once for the low end of the range and once for the high end;
then average the two and plan to adjust the VSWR on both ends of the
range as needed.
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Dipole Antenna
Calculator
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This calculator requires the use of Javascript enabled and capable
browsers, and is designed to give the length of a particular dipole
antenna, or one side of it, for the frequency chosen.
Enter the desired frequency and select the desired calculation from the
drop box. Click on Calculate and the optimum length for that combination
will be displayed in feet and inches.
Lengths are given in feet, inches and fractions of inches, and in
meters.
The hardware version can be tuned by slightly increasing
or decreasing the distance between the ends of the two pipe sections in
the center of the dipole.
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Loop Antenna
Calculator
Украинская Баннерная Сеть
Copyright © 2000 - 2008 by Alex UR5EAW
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