Radial HAAT (meters) | Maximum ERP (MERP in watts) |
Less than or equal to 32 | 250 |
33 to 39 | 170 |
40 to 47 | 120 |
48 to 57 | 80 |
58 to 68 | 55 |
69 to 82 | 38 |
83 to 96 | 27 |
97 to 115 | 19 |
116 to 140 | 13 |
Greater than or equal to 141 | 10 |
Radial HAAT (meters) | Maximum ERP (MERP in watts) |
Less than or equal to 107 | 250 |
108 to 118 | 205 |
119 to 130 | 170 |
131 to 144 | 140 |
145 to 157 | 115 |
158 to 173 | 92 |
174 to 192 | 75 |
193 to 212 | 62 |
213 to 235 | 50 |
236 to 260 | 41 |
261 to 285 | 34 |
286 to 310 | 28 |
311 to 345 | 23 |
346 to 380 | 19 |
381 to 425 | 15.5 |
426 to 480 | 13 |
481 to 540 | 11 |
Greater than or equal to 541 | 10 |
Note: Existing licensees and permittees that do not furnish data sufficient to calculate the contours in conformance with § 74.1204 will be assigned protected contours having the following radii:
Up to 10 watts-1 mile (1.6 km) from transmitter site.
Up to 100 watts-2 miles (3.2 km) from transmitter site.
Up to 250 watts-4 miles (6.5 km) from transmitter site.
47 C.F.R. §74.1235