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Parabolic Reflector Dish Antenna Gain (G), Beamwidth (HPBW) & Aperture Efficiency Calculator

Easily calculate and compute parabolic reflector dish antenna gain (g), beamwidth (hpbw) & aperture efficiency calculator with accurate equations, live formulas, and expert guidance.

Circular reflector diameter.

Operating frequency in GHz.

Typical dish efficiency is 55% to 70% (0.55 to 0.70).

Calculated Result
49 dBi

Antenna Gain (G)

Antenna Gain (G)

49 dBi

Antenna Gain Dbi

49

Half Power Beamwidth Hpbw Deg

0.61

First Null Beamwidth Fnbw Deg

1.23

Effective Aperture Area M2

2.8

49 — dBi

Calculation Breakdown

  1. Applied FormulaCalculates the boresight peak directional gain (dBi), Half-Power Beamwidth (HPBW), and effective aperture for circular parabolic satellite dish antennas.G_{dBi} = 10\log_{10}\left[\eta \left(\frac{\pi D f}{c}\right)^2\right], \quad HPBW = \frac{70 c}{f D}

Parabolic Dish Gain & Beamwidth Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.012253749Antenna Gain (G)

What Is the Parabolic Reflector Dish Antenna Gain (G), Beamwidth (HPBW) & Aperture Efficiency Calculator?

This tool computes parabolic reflector dish antenna gain (g), beamwidth (hpbw) & aperture efficiency calculator with high precision arithmetic.

How Does the Parabolic Reflector Dish Antenna Gain (G), Beamwidth (HPBW) & Aperture Efficiency Calculator Work?

Calculates the boresight peak directional gain (dBi), Half-Power Beamwidth (HPBW), and effective aperture for circular parabolic satellite dish antennas.

Parabolic Reflector Dish Antenna Gain (G), Beamwidth (HPBW) & Aperture Efficiency Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

GdBi=10log⁡10[η(πDfc)2],HPBW=70cfDG_{dBi} = 10\log_{10}\left[\eta \left(\frac{\pi D f}{c}\right)^2\right], \quad HPBW = \frac{70 c}{f D}

Calculates the boresight peak directional gain (dBi), Half-Power Beamwidth (HPBW), and effective aperture for circular parabolic satellite dish antennas.

How to Use the Parabolic Reflector Dish Antenna Gain (G), Beamwidth (HPBW) & Aperture Efficiency Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Parabolic Reflector Dish Antenna Gain (G), Beamwidth (HPBW) & Aperture Efficiency Calculator Example

Input Values:

dishDiameterMeters:2.4
carrierFrequencyGhz:14.25
apertureEfficiencyEta:0.62
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required dBi.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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