measured ops (1 dB noise, 1 rdg/°, bg −12.4 dB): bearing σ 0.37° + ±1.1° SYSTEMATIC (E-plane tilt × soft elevation) · resolution 14° ≈ 25 m @100 m · reference ops: 0.09° / 5.1° ≈ the theoretical card — the gap is operations, not hardware · Σ HPBW 34° · Δ@Σ-peak −14.5 dB (squint −2.6°)