Frequency
band
|
Designation
|
Radio
astronomy use
|
Comments
|
13.36 - 13.41 MHz
|
HF
|
|
|
25.55 - 25.67 MHz
|
HF
|
|
|
37.5 - 38.25 MHz
|
VHF
|
Continuum observations
|
|
73 - 74.6 MHz
|
VHF
|
- Solar wind observations.
- Continuum observations.
|
|
150.05 - 153 MHz
|
VHF
|
- Continuum observations.
- Pulsar observations.
- Solar observations.
|
|
322 - 328.6 MHz
|
UHF
|
- Continuum observations.
- VLBI
|
|
406.1 - 410 MHz
|
UHF
|
- Continuum observations.
- Pulsar observations.
|
|
608 - 614 MHz
|
UHF
|
- Continuum observations.
- VLBI
|
|
1400 - 1427 MHz **
|
L-band
|
Spectral line observations
|
21cm hydrogen line
|
1660 - 1660.5 MHz
|
L-band
|
VLBI
|
|
1660.5 - 1668.4 MHz
|
L-band
|
- VLBI
- Line observations.
- Continuum observations.
|
|
1668.4 - 1670 MHz
|
L-band
|
|
|
1718.8 - 1722.2 MHz
|
L-band
|
|
|
2655 - 2690 MHz
|
S-band
|
Continuum observations
|
|
2690 - 2700 MHz
|
S-band
|
|
|
3260 - 3267 MHz
|
S-band
|
|
|
3332 - 3339 MHz
|
S-band
|
|
|
3345.8 - 3352.5 MHz
|
S-band
|
|
|
4800 - 4990 MHz
|
C-band
|
Continuum observations
|
|
4990 - 5000 MHz
|
C-band
|
- Continuum observations.
- VLBI
|
|
5000 - 5030 MHz
|
C-band
|
VLBI
|
|
6650 - 6675.2 MHz
|
C-band
|
|
|
10.6 - 10.68 GHz
|
X-band
|
- Continuum meausurements.
- VLBI
|
|
10.68 - 10.7 GHz
|
X-band
|
- Continuum observations.
- VLBI
|
|
14.47 - 14.5 GHz
|
Ku-band
|
- Spectral line observations.
- VLBI
|
|
15.2 - 15.35 GHz
|
Ku-band
|
VLBI
|
|
15.35 - 15.4 GHz
|
Ku-band
|
- Continuum observations.
- VLBI
|
|
22.01 - 22.21 GHz
|
Ka-band
|
Spectral line observations
|
Water line.
|
22.21 - 22.5 GHz
|
Ka-band
|
Spectral line observations
|
Water line.
|
22.91 - 22.86 GHz
|
Ka-band
|
Spectral line observations
|
- Methyl Formate
- Ammonia
|
23.07 - 23.12 GHz
|
Ka-band
|
Spectral line observations
|
|
23.6 - 24.0 GHz
|
Ka-band
|
- Spectral line observations
- Continuum observations
|
Ammonia line
|
31.2 - 31.3 GHz
|
Ka-band
|
Continuum observations
|
|
31.3 - 31.5 GHz
|
Ka-band
|
Continuum observations
|
|
31.5 - 31.8 GHz
|
Ka-band
|
Continuum observations
|
|
36.43 - 36.5 GHz
|
Ka-band
|
Spectral line observations
|
- Hydrogen cyanide
- Hydroxil
|
42.5 - 43.5 GHz
|
Q-band
|
Spectral line observations
|
Silicon monoxide and many other lines.
|
48.94 - 49.04 GHz
|
Q-band
|
Spectral line observations
|
Carbon monosulphide
|
51.4 - 54.25 GHz
|
V-band
|
|
|
58.2 - 59 GHz
|
V-band
|
|
|
72.77 - 72.91 GHz
|
V-band
|
Spectral line observations
|
Formaldehyde line.
|
86 - 92 GHz
|
W-band
|
- Spectral line observations.
- Continuum obserations.
|
|
92 - 94 GHz
|
|
Spectral line observations.
|
Diazenylium and many other lines.
|
95 - 100 GHz
|
|
- Spectral line observations.
- Continuum observations.
|
|