RAS bands

Frequency Bands for the use by the Radio Astronomy Service (RAS) in ITU Region 1

Frequency BandStatus of the RA ServiceRemarks
13360 – 13410 kHzPRIMARYNo. 5.149
25550 – 25670 kHzPRIMARYNo. 5.149
37.5 – 38.25 MHzsecondaryNo. 5.149
68 – 74.8 MHzNo. 5.149: 73 – 74.6 MHz
150.05 – 153 MHzPRIMARYNos. 5.149; 5.208A; 5.208B
322 – 328.6 MHzPRIMARYNos. 5.149; 5.208A
406.1 – 410 MHzPRIMARYNos. 5.149; 5.208A; 5.208B
470 – 790 MHzsecondaryNo. 5.149: 608 – 614 MHz; No. 5.208A
1300 – 1350 MHzNo. 5.149: 1330 – 1400 MHz
1350 – 1400 MHzNo. 5.149: 1330 – 1400 MHz
1400 – 1427 MHzPRIMARYNo. 5.340; 5.208B
1610.6 – 1613.8 MHzPRIMARYNos. 5.149; 5.372; 5.208B
1660 – 1660.5 MHzPRIMARYNos. 5.149; 5.376A
1660.5 – 1668 MHzPRIMARYNos. 5.149; 5.379A
1668 – 1668.4 MHzPRIMARYNos. 5.149; 5.379A; 5.379C
1668.4 – 1670 MHzPRIMARYNos. 5.149; 5.379C
1710 – 1939 MHzsecondary
(1718.2 – 1722.2 MHz, see No. 5.385)
No. 5.149: 1718.8 – 1722.2 MHz
2655 – 2670 MHzsecondaryNos. 5.149; 5.208B
2670 – 2690 MHzsecondaryNos. 5.149; 5.208B
2690 – 2700 MHzPRIMARYNos. 5.340; 5.413; 5.208B
3100 – 3300 MHzNo. 5.149: 3260 – 3267 MHz
3300 – 3400 MHzNo. 5.149: 3332 – 3339 MHz
No. 5.149: 3345.8 – 3352.5 MHz
4800 – 4990 MHzsecondaryNo. 5.149: 4825 – 4835 MHz
No. 5.149: 4950 – 4990 MHz
4990 – 5000 MHzPRIMARYNos. 5.149; 5.402; 5.443B
5925 – 6700 MHzNo. 5.149: 6650 – 6675.2 MHz
No. 5.458A
10.6 – 10.68 GHzPRIMARYNo. 5.149
10.68 – 10.7 GHzPRIMARYNo. 5.340
14.47 – 14.5 GHzsecondaryNos. 5.149; 5.504B
15.35 – 15.4 GHzPRIMARYNos. 5.340; 5.511F
22 – 22.21 GHzNos. 5.149: 22.01 – 22.21 GHz; 5.208B
22.21 – 22.5 GHzPRIMARYNos. 5.149; 5.208B
22.55 – 23.55 GHzNo. 5.149: 22.81 – 22.86 GHz
No. 5.149: 23.07 – 23.12 GHz
No. 5.208B
23.6 – 24 GHzPRIMARYNo. 5.340; 5.208B
31 – 31.3 GHzNo. 5.149: 31.2 – 31.3 GHz
31.3 – 31.5 GHzPRIMARYNos. 5.340; 5.543A
31.5 – 31.8 GHzPRIMARYNos. 5.149; 5.543A
36 – 37 GHzNo. 5.149: 36.43 – 36.5 GHz
42.5 – 43.5 GHzPRIMARYNos. 5.149; 5.551H; 5.551I
48.54 – 49.44 GHzPRIMARY
(48.94 – 49.04 GHz see No. 5.555)
No. 5.340 48.94 – 49.04 GHz (from airborne stations)
No. 5.149: 48.94 – 49.04 GHz. No. 5.555B
51.4 – 54.25 GHzNo. 5.556see also RoP on No. 5.556
58.2 – 59 GHzNo. 5.556see also RoP on No. 5.556
64 – 65 GHzNo. 5.556see also RoP on No. 5.556
76 – 77.5 GHzPRIMARYNo. 5.149
77.5 – 78 GHzsecondaryNo. 5.149
78 – 79 GHzsecondaryNo. 5.149
79 – 81 GHzPRIMARYNo. 5.149
81 – 84 GHzPRIMARYNo. 5.149
84 – 86 GHzPRIMARYNo. 5.149
86 – 92 GHzPRIMARYNo. 5.340
92 – 94 GHzPRIMARYNo. 5.149
94 – 94.1 GHzsecondaryNo. 5.562A
94.1 – 95 GHzPRIMARYNo. 5.149
95 – 100 GHzPRIMARYNo. 5.149
100 – 102 GHzPRIMARYNo. 5.340
102 – 105 GHzPRIMARYNo. 5.149
105 – 109.5 GHzPRIMARYNos. 5.149; 5.562B
109.5 – 111.8 GHzPRIMARYNo. 5.340
111.8 – 114.25 GHzPRIMARYNos. 5.149; 5.562B
114.25 – 116 GHzPRIMARYNo. 5.340
123 – 130 GHzsecondaryNo. 5.149: 128.33 – 128.59 GHz
No. 5.149: 129.23 – 129.49 GHz
130 – 134 GHzPRIMARYNos. 5.149; 5.562A
134 – 136 GHzsecondary
136 – 141 GHzPRIMARYNo. 5.149
141 – 148.5 GHzPRIMARYNo. 5.149
148.5 – 151.5 GHzPRIMARYNo. 5.340
151.5 – 155.5 GHzPRIMARYNo. 5.149
155.5 – 158.5 GHzPRIMARYNos. 5.149; 5.562B
164 – 167 GHzPRIMARYNo. 5.340
167 – 174.5 GHzNo. 5.149: 168.59 – 168.93 GHz
No. 5.149: 171.11 – 171.45 GHz
No. 5.149: 172.31 – 172.65 GHz
No. 5.149: 173.52 – 173.85 GHz
182 – 185 GHzPRIMARYNo. 5.340
191.8 – 200 GHzNo. 5.149: 195.75 – 196.15 GHz
200 – 202 GHzPRIMARYNo. 5.340
202 – 209 GHzPRIMARYNo. 5.340
209 – 217 GHzPRIMARYNo. 5.149
217 – 226 GHzPRIMARYNo. 5.149
226 – 231.5 GHzPRIMARYNo. 5.340
241 – 248 GHzPRIMARYNo. 5.149
248 – 250 GHzsecondaryNo. 5.149
250 – 252 GHzPRIMARYNo. 5.340
252 – 265 GHzPRIMARYNo. 5.149
265 – 275 GHzPRIMARYNo. 5.149
275 – 323 GHzNo. 5.565
327 – 371 GHzNo. 5.565
388 – 424 GHzNo. 5.565
426 – 442 GHzNo. 5.565
453 – 510 GHzNo. 5.565
623 – 711 GHzNo. 5.565
795 – 909 GHzNo. 5.565
926 – 945 GHzNo. 5.565
1000 – 1060 GHzsee Rec. ITU-R RA.1860Suggested minimum bands for ground-based radio astronomy
1250 – 1320 GHz
1250 – 1320 GHz GHz
1325 – 1385 GHz
1445 – 1540 GHz
1545 – 1570 GHz
1975 – 2000 GHz

Committee on Radio Astronomy Frequencies