2026
CLM-SIGNAL-003417= HPBW approx 0.886 lambda/DEXACT VALUEThe source reports HPBW approx 0.886 lambda/D as a model-dependent engineering approximation, not a universal theorem.Source: Antenna Theory: Analysis and Design, fourth edition — Uniform linear-aperture half-power beamwidth approximation ↗
LITERATURE ASSERTED