Helical Antenna Length Calculator

Calculate Helical Antenna Length (L)



Formula

The formula to calculate the Helical Antenna Length (L) is:

\[ \text{L} = \frac{\text{C} \cdot \lambda}{4 \cdot \pi} \]

Where:

Definition

Example

Let's say the circumference of the helix (C) is 1 meter and the wavelength of the signal (λ) is 0.5 meters. Using the formula:

\[ \text{L} = \frac{1 \cdot 0.5}{4 \cdot 3.14159} \approx 0.04 \, \text{meters} \]

So, the length of the helical antenna is approximately 0.04 meters.

Extended information about "Helical-Antenna-Length-Calculator"

Vertical Antenna Length Calculator

Definition: Calculates the length of a vertical antenna based on the desired frequency.

Formula: \( L = \frac{300}{4 \times f} \)

Example: \( L = \frac{300}{4 \times 14} \)

Antenna Length Calculator Formula

Definition: Provides the formula to calculate the length of an antenna.

Formula: \( L = \frac{300}{2 \times f} \)

Example: \( L = \frac{300}{2 \times 7} \)

Dimensions of Helical Antenna

Definition: Calculates the dimensions of a helical antenna.

Formula: \( L = N \times \lambda \)

Example: \( L = 10 \times 0.3 \)

Vertical Antenna Radial Length Calculator

Definition: Calculates the radial length for a vertical antenna.

Formula: \( R = \frac{300}{4 \times f} \)

Example: \( R = \frac{300}{4 \times 14} \)

Telescopic Antenna Length Calculator

Definition: Calculates the length of a telescopic antenna based on the desired frequency.

Formula: \( L = \frac{300}{2 \times f} \)

Example: \( L = \frac{300}{2 \times 10} \)

Radio Antenna Length Calculator

Definition: Calculates the length of a radio antenna based on the desired frequency.

Formula: \( L = \frac{300}{2 \times f} \)

Example: \( L = \frac{300}{2 \times 15} \)

Antenna Length Calculator by Frequency

Definition: Calculates the length of an antenna based on the frequency.

Formula: \( L = \frac{300}{2 \times f} \)

Example: \( L = \frac{300}{2 \times 20} \)

VHF Antenna Length Calculator

Definition: Calculates the length of a VHF antenna based on the desired frequency.

Formula: \( L = \frac{300}{2 \times f} \)

Example: \( L = \frac{300}{2 \times 50} \)

Helical Antenna Gain Calculator

Definition: Calculates the gain of a helical antenna.

Formula: \( G = 10 \log_{10} \left( \frac{4 \pi A}{\lambda^2} \right) \)

Example: \( G = 10 \log_{10} \left( \frac{4 \pi \times 0.5}{0.3^2} \right) \)