U.S. Non-Federal-Government Allocations
LAND MOBILE
Radio astronomy
FCC rule parts
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Examples: 88.5 MHz, 1350–1430 MHz, 2.4 GHz
37.5 MHz (37,500,000 Hz)
LAND MOBILE
Radio astronomy
FCC rule parts
Radio astronomy
FIXED
MOBILE
Radio astronomy
FIXED
MOBILE
Radio astronomy
FIXED
MOBILE
Radio astronomy
5.149 In making assignments to stations of other services to which the bands:
13 360-13 410 kHz,
25 550-25 670 kHz,
37.5-38.25 MHz,
73-74.6 MHz in Regions 1 and 3,
150.05-153 MHz in Region 1,
322-328.6 MHz,
406.1-410 MHz,
608-614 MHz in Regions 1 and 3,
1 330-1 400 MHz,
1 610.6-1 613.8 MHz,
1 660-1 670 MHz,
1 718.8-1 722.2 MHz,
2 655-2 690 MHz,
3 260-3 267 MHz,
3 332-3 339 MHz,
3 345.8-3 352.5 MHz,
4 825-4 835 MHz, 4 950-4 990 MHz,
4 990-5 000 MHz,
6 650-6 675.2 MHz,
10.6-10.68 GHz,
14.47-14.5 GHz,
22.01-22.21 GHz,
22.21-22.5 GHz,
22.81-22.86 GHz,
23.07-23.12 GHz,
31.2-31.3 GHz,
31.5-31.8 GHz in Regions 1 and 3,
36.43-36.5 GHz,
42.5-43.5 GHz,
48.94-49.04 GHz,
76-86 GHz,
92-94 GHz,
94.1-100 GHz, 102-109.5 GHz,
111.8-114.25 GHz,
128.33-128.59 GHz,
129.23-129.49 GHz,
130-134 GHz,
136-148.5 GHz,
151.5-158.5 GHz,
168.59-168.93 GHz,
171.11-171.45 GHz,
172.31-172.65 GHz,
173.52-173.85 GHz,
195.75-196.15 GHz,
209-226 GHz,
241-250 GHz,
252-275 GHz
are allocated, administrations are urged to take all practicable steps to protect the radio astronomy service from harmful interference. Emissions from spaceborne or airborne stations can be particularly serious sources of interference to the radio astronomy service (see Nos. 4.5 and 4.6 and Article 29). (WRC 07)
NG59 The frequencies 37.60 and 37.85 MHz may be authorized only for use by base, mobile, and operational fixed stations participating in an interconnected or coordinated power service utility system.
NG124 In the bands 30.85-34, 37-38, 39-40, 42-47.41, 150.995-156.25, 158.715-159.465, 453.0125-453.9875, 458.0125-458.9875, 460.0125-465.6375, and 467.9375-467.9875 MHz, police licensees are authorized to operate low power transmitters on a secondary basis in accordance with the provisions of 47 CFR 2.803 and 90.20(e)(5).
US342 In making assignments to stations of other services to which the bands:
| 13 360-13 410 kHz | 42.77-42.87 GHz* |
| 25 550-25 670 kHz | 43.07-43.17 GHz* |
| 37.5-38.25 MHz | 43.37-43.47 GHz* |
| 322-328.6 MHz* | 48.94-49.04 GHz* |
| 1330-1400 MHz* | 76-86 GHz |
| 1610.6-1613.8 MHz* | 92-94 GHz |
| 1660-1660.5 MHz* | 94.1-100 GHz |
| 1668.4-1670 MHz* | 102-109.5 GHz |
| 3260-3267 MHz* | 111.8-114.25 GHz |
| 3332-3339 MHz* | 128.33-128.59 GHz* |
| 3345.8-3352.5 MHz* | 129.23-129.49 GHz* |
| 4825-4835 MHz* | 130-134 GHz |
| 4950-4990 MHz | 136-148.5 GHz |
| 6650-6675.2 MHz* | 151.5-158.5 GHz |
| 14.47-14.5 GHz* | 168.59-168.93 GHz* |
| 22.01-22.21 GHz* | 171.11-171.45 GHz* |
| 22.21-22.5 GHz | 172.31-172.65 GHz* |
| 22.81-22.86 GHz* | 173.52-173.85 GHz* |
| 23.07-23.12 GHz* | 195.75-196.15 GHz* |
| 31.2-31.3 GHz | 209-226 GHz |
| 36.43-36.5 GHz* | 241-250 GHz |
| 42.5-43.5 GHz | 252-275 GHz |
are allocated (*indicates radio astronomy use for spectral line observations), all practicable steps shall be taken to protect the radio astronomy service from harmful interference. Emissions from spaceborne or airborne stations can be particularly serious sources of interference to the radio astronomy service (see ITU Radio Regulations at Nos. 4.5 and 4.6 and Article 29).