Determine reflector peak gains, physical and effective aperture areas, and 3dB/null-to-null half-power beamwidths.
Parameters
Wavelength (λ): 2.50 cm
Typically 55% - 70% for standard parabolic dishes.
Antenna Metrics
Peak Gain
41.7 dBi
relative to isotropic
3dB Beamwidth (HPBW)
1.46°
Half-Power (Circular)
First Nulls (FNBW)
3.56°
Null-to-Null angle
Wavelength (λ)
0.0250 m (2.50 cm)
Physical Aperture Area
1.13 m²
Effective Aperture Area
0.74 m²
Gain Multiplier (over isotropic)
14,779x
2D Parabolic Antenna Radiation Pattern (Lobes)
Diagram representing the directive gain pattern of the parabolic dish. Increasing frequency or reflector size focuses the power, narrowing the main beam lobe and increasing peak gain.