47 CFR 22.1015: Repeater operation.

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