This converter makes it possible to determine the total length of a dipole antenna as well as the individual length of each arm from the operating frequency. It is particularly useful for antenna designers and radio engineers to ensure correct resonance on the desired frequency.
Formula
Total length (L) in feet = 468/f MHz
Length of each element (E) in feet = (468 / f MHz ) / 2
Explanation of the formula
The formula uses a widely accepted empirical relationship for half-wave dipoles in air. The overall length is inversely proportional to the frequency in MHz, ensuring that the antenna is tuned correctly. Each element of the dipole corresponds to half of the total length, which ensures optimal radiation operation.
Uses
- Quickly calculate the dimensions of a dipole for a given RF frequency.
- Optimize antenna design for AM, FM, HF, VHF and UHF applications.
- Help radio amateurs and engineers verify theoretical lengths before manufacturing.
- Evaluate the impact of frequency on the physical size of the antenna.