Antennas
Antenna Calculators
Antenna design calculators and interactive visualisers — from a simple dipole to a full 2D phased array. Gain, beamwidth, element dimensions and radiation patterns for every common antenna type.
Dipole / Monopole
Half-wave dipole and quarter-wave monopole length for any frequency. Feed impedance, bandwidth and radiation resistance.
Patch Antenna
Rectangular microstrip patch — width, length, inset feed, bandwidth and gain. Substrate presets for FR4, Rogers RO4350B and Duroid.
Yagi-Uda Antenna
Element lengths and spacings for 3 to 16 element Yagi. Gain, front-to-back ratio, HPBW and polar pattern. Based on Viezbicke optimised design tables.
Horn Antenna
Pyramidal, E-plane and H-plane sectoral horns. Gain, HPBW, phase error, slant lengths and optimum horn finder for maximum gain. X, Ku and Ka-band presets.
Parabolic Dish
Dish diameter and frequency to gain, HPBW, aperture efficiency, focal length, f/D ratio and G/T. Presets for Ku VSAT, Ka-band and S-band radar.
Sparse & Faulty Array Simulator
Per-element amplitude, phase and active/failed control for linear and rectangular arrays up to 32 elements. Beam steering, amplitude tapering, failure injection and phase noise. Polar and Cartesian pattern with ideal vs actual comparison.
ULA / URA Array Patterns
Interactive beam pattern visualiser for linear and rectangular arrays. Beam scanning, amplitude tapering, grating lobe detection, HPBW and SLL metrics.