PRIMUSR 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 Display18–Inch RadiatorTable 5–2 Tilt angles shown are approximate. Where the tilt angle is not listed, theoperator must exercise good judgment.NOTE: The line of sight distance is nominal. Atmospheric conditionsand terrain offset this value.