## What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

#### 6

**6 inches is not correct** because it is far too short for a half-wavelength antenna in the 6-meter band.

#### 50

**50 inches is not correct** because it is still shorter than the necessary length for a half-wavelength antenna in the 6-meter band.

#### 112

**112 inches is correct** as it closely matches the calculated ideal length of a half-wavelength dipole for the 6-meter band.

#### 236

**236 inches is not correct** as it is excessively longer than the necessary length for a half-wavelength antenna in the 6-meter band.

#### Explanation

This question asks about the approximate length of a half-wavelength dipole antenna specifically for the 6-meter band. To determine the length, we first need to understand the relationship between wavelength and frequency.

The formula to find the wavelength () is:

For the 6-meter band, the frequency is approximately 50 MHz. Therefore,

A dipole antenna is typically a half-wavelength in total length, so we must divide this wavelength by 2:

Since 1 meter is approximately 39.37 inches,

which approximately equals 118 inches. The closest answer to this is 112 inches, making option 2 the most accurate.

Understanding antenna length is critical in amateur radio as it affects the efficiency and effectiveness of transmissions. A correctly sized antenna ensures better signal strength and clarity.

T9A09 2022-2026