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30 lip 2024 · Our dipole calculator is a simple tool that allows you to compute the length of a simple antenna — it'll also provide you with the value of the wavelength and the adjustment factor [k].
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For an 80-10 meter OCF dipole antenna, divide the 1⁄2 wavelength standard of 468 by the lowest operating frequency of 3.6 MHz and you arrive at an overall length of 130′. This is the length of a standard dipole but instead of dividing the result in half, use a 36/64% offset to determine the feedpoint.
Antenna Length Calculator. 1. What type of antenna do you want to build? Dipole. Fan Dipole. Inverted Vee. Off Center Fed Dipole. Vertical. 2. What frequency will you be operating on? Frequency: MHz. Meters Feet. 3. Here's your antenna...
18 sty 2020 · This Off Center Fed Dipole is set up for 80m. If you want a different frequency, calculate the length of a standard half wave dipole. Instead of dividing the length in half, multiply it by .64 and .36. Basically, one leg is 64% of the half wave and the other is 36%.
Dipole Antenna Length Calculator. Dipoles antennas are easy to build and can be very effective when placed half a wavelenth or more above ground. Enter the desired operating frequency in megahertz to get a good starting length for a dipole in both feet and meters.
Dipole and Inverted Vee Antenna Calculator. Sufficiently accurate for wire antennas up to 30 Mhz. The basic formula for determining the wire length of a center fed, 1/2 wave wire dipole or inverted Vee antenna (30 mhz or less) is 468/freq-in-Mhz for feet and inches or 143/freq-in-Mhz for meters .
7 lip 2020 · The OCF or Off Center Fed Dipole antenna is much like a conventional dipole antenna in that the formula you use to calculate the length of it is the same. That is: 468 / Frequency Mhz will give you the overall length of the antenna.
