Antennas › Parabolic Dish

Parabolic Dish Calculator

Calculate gain, half-power beamwidth, aperture efficiency, focal length and noise temperature for any parabolic reflector antenna. Enter dish diameter and frequency — results update instantly.

Parameters
Focus (feed) f D (diameter) HPBW
Presets
Dish Diameter D
Frequency
Aperture Efficiency η
0–1
Illumination Taper
dB
System Noise T_sys
K
⚠ Please check inputs.
Results
📡
Enter parameters and click Calculate
Radiation Pattern
📡
Click Calculate