Honeywell PRIMUS 1000 - Radar Beam Illumination High Altitude; Radar Beam Illumination Low Altitude; Tilt Management

PRIMUSr 1000 Integrated Avionics System
A28--1146--112--00
B--11
PRIMUS
â
660 Weather Radar System
TILT MANAGEMENT
Figures B--4 and B--5 show the relationship between tilt angle, flight
altitude, and selected range. The figures show the distance aboveand
belowaircraftaltitudethat isilluminatedbytheflat--plateradiatorduring
levelflight with0_ tilt and showsa representative low altitudesituation,
with antenna adjusted for 3.95_ up--tilt.
ELEVATION IN FEET
80,000
70,000
60,000
50,000
30,000
20,000
10,000
0
0 25 50
RANGE NAUTICAL MILES
100
AD--35693@
CENTER OF RADAR BEAM
20,000 FT
20,000 FT
41,800 FT
41,800 FT
10,500 FT
10,500 FT
7.9
ZERO TILT
Radar Beam Illumination High Altitude
12--Inch Radiator
Figure B--4
Radar Beam Illumination Low Altitude
12--Inch Radiator
Figure B--5