47 C.F.R. § 22.1015
Repeater operation.
Cite as 47 C.F.R. § 22.1015 (2026)
Offshore central stations may be used as repeater stations provided that the licensee is able to maintain control of the station, and in particular, to turn the transmitter off, regardless of whether associated subscriber stations are transmitting at the time.
Table I-2—Maximum ERP (Watts)
Distance from the 4.8 km (3 mi) limit
30 meters (100 feet)
61 meters (200 feet)
6.4 km (4 mi)
25
6
8.0 km (5 mi)
40
10
9.7 km (6 mi)
65
15
11.3 km (7 mi)
100
25
12.9 km (8 mi)
150
35
14.5 km (9 mi)
215
50
16.1 km (10 mi)
295
70
17.7 km (11 mi)
400
100
19.3 km (12 mi)
530
130
20.9 km (13 mi)
685
170
22.5 km (14 mi)
870
215
24.1 km (15 mi)
1000
270
25.7 km (16 mi)
1000
415
27.4 km (17 mi)
1000
505
29.0 km (18 mi)
1000
610
30.6 km (19 mi)
1000
730
32.2 km (20 mi)
1000
865
33.8 km (21 mi)
1000
1000