Thales 421 - Fig. 8−7 Measurement Circle for Ground Check

LLZ 421
Operation and Maintenance Alignment Procedure LLZ−2F (LPD)
ILS 420
8−25Ed. 07.08
SOAC
Ground check points
Field dipole
LLZ antenna
Antenna base
typical 300
NOTE:
Distances in ( ): antenna 20 elements
All distances in meters
35 °
30 °
25°
20°
15°
10°
5°
2°
2°
5°
10°
15°
20°
25°
30 °
35 °
center line
3°
1°
1°
3°
Measurement circle
Runway
Fig. 8−7 Measurement circle for ground check