PRIMUS
R
660 Digital Weather Radar System
A28–1146–111
REV 2 5-9
Radar Facts
RANGE
SCALE
(MILES)
ALTITUDE
(FEET)
5 10 25 50 100 200
LINE OF
SIGHT
(MILES)
40,000
35,000
30,000
25,000
20,000
15,000
10,000
5,000
4,000
3,000
2,000
1,000 +1 +2 +2
–1
–3
–5
–7
–12
–7
–2
–1
0
+1 +2 +2
+2
+2
+1
+10–1
0
+1
+1
–3 –1
+1
–5 –10
–13 –5 –2 –1
0
0
0
–11 –4
–1
–1–9 –3
–2–7
246
230
213
195
174
151
123
87
78
67
55
39
(LINE OF
SIGHT LIMITED REGION)
(TILT LIMITED
REGION)
AD–35711@
Approximate Tilt Setting for Minimal Ground Target Display
18–Inch Radiator
Table 5–2
Tilt angles shown are approximate. Where the tilt angle is not listed, the
operator must exercise good judgment.
NOTE: The line of sight distance is nominal. Atmospheric conditions
and terrain offset this value.