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I calculate one length for the low end of the band and another for the high end (Length Low = 468/F LOW, Length_High = 468/F HIGH). The entire band, from F LOW to F HIGH for each of the multiples, is then colored RED .
- Antenna Element Lengths
Includes calculated K and end-effect factors. This...
- Antenna Element Lengths
14 sie 2024 · The following steps outline how to calculate the length of an Efhw Antenna using the formula: L = 468 / f. First, determine the frequency (f) in MHz. Next, use the formula L = 468 / f to calculate the length of the antenna (L) in feet. Finally, you have calculated the length of the Efhw Antenna.
3 paź 2024 · To determine the ideal length of an EFHW antenna for a specific operating frequency, you can use the formula: \ [ \text {Antenna Length (m)} = \frac {468} {\text {Frequency (MHz)}} \] This formula gives the approximate total length in meters of the half-wave wire antenna.
5 cze 2021 · The antenna calculator above uses this formula as a starting point to calculate wire lengths for the dipole. The results are conveniently displayed in inches, centimeters, feet and meters. This formula to obtain the length of a half-wave dipole antenna will give a good ballpark value to start with.
15 sie 2023 · How long is a 160m end-fed antenna? For the 160-meter band (1.8 MHz), a half-wavelength end-fed antenna would be around 158.73 meters (521 feet). What is the counterpoise length for an end-fed half-wave antenna? The counterpoise length for an end-fed half-wave antenna varies based on factors like frequency, desired efficiency, and available space.
19 sty 2017 · I want to use an end-fed wire antenna, but what would be the best length of wire for the 20m and 40m bands? Is there a way to work this out? This is assuming a tuner will be used.
Includes calculated K and end-effect factors. This calculator is an aid for determining antenna element lengths, based on Frequency, Type (Wire or Tubing), and Diameter (AWG#, inches, mm) of the element. At the top of the calculator, enter the Frequency (1 to 30 MHz) of interest.