J band (NATO)

The NATO J band is the designation given to the radio frequencies from 10 to 20 GHz (equivalent to wavelengths between 3 and 1.5 cm). Since 1992 frequency allocations, allotment and assignments are in line to NATO Joint Civil/Military Frequency Agreement (NJFA).[1] However, in order to identify military radio spectrum requirements, e.g. for crises management planning, training, Electronic warfare activities, or in military operations, this system is still in use.

NATO LETTER BAND DESIGNATION | BROADCASTING
BAND
DESIGNATION

|

NEW NOMENCLATURE |  | OLD NOMENCLATURE |
BAND | FREQUENCY (MHz) |  | BAND | FREQUENCY (MHz) |
A | 0 – 250  |  | I | 100 – 150  |  | Band I
47 – 68 MHz (TV)
Band II
87.5 – 108 MHz (FM)
G | 150 – 225  | Band III
174 – 230 MHz (TV)
B | 250 – 500  | P | 225 – 390
C | 500 – 1 000  | L | 390 – 1 550  | Band IV
470 – 582 MHz (TV)
Band V
582 – 862 MHz (TV)
D | 1 000 – 2 000
S | 1 550 – 3 900
E | 2 000 – 3 000
F | 3 000 – 4 000
G | 4 000 – 6 000  | C | 3 900 – 6 200
H | 6 000 – 8 000  | X | 6 200 – 10 900
I | 8 000 – 10 000
J | 10 000 – 20 000  | Ku | 10 900 – 20 000
K | 20 000 – 40 000  | Ka | 20 000 – 36 000
L | 40 000 – 60 000  | Q | 36 000 – 46 000
V | 46 000 – 56 000
M | 60 000 – 100 000  | W | 56 000 – 100 000
US- MILITARY / SACLANT |
N | 100 000 – 200 000
O | 100 000 – 200 000

## References

1. ↑ "NATO Joint Civil/Military Frequency Agreement (NJFA)". http://www.akos-rs.si/files/Zakonodaja/Direktive_in_priporocila/mednarodni_sporazumi/CM-Ag.pdf.

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Radio spectrum (ITU)

ELF
3 Hz/100 Mm
30 Hz/10 Mm

SLF
30 Hz/10 Mm
300 Hz/1 Mm

ULF
300 Hz/1 Mm
3 kHz/100 km

VLF
3 kHz/100 km
30 kHz/10 km

30 kHz/10 km
300 kHz/1 km

300 kHz/1 km
3 MHz/100 m

3 MHz/100 m
30 MHz/10 m

VHF
30 MHz/10 m
300 MHz/1 m

UHF
300 MHz/1 m
3 GHz/100 mm

SHF
3 GHz/100 mm
30 GHz/10 mm

EHF
30 GHz/10 mm
300 GHz/1 mm

THF
300 GHz/1 mm
3 THz/0.1 mm

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