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Band Summary

 

Wavelength

Frequency

Bandwidth

Primary Use

160 Meters

1.80-2.00 MegaHertz

6 KiloHertz

100 km day, 1000's km at night

80 Meters

3.50-4.00 MegaHertz

KiloHertz

400 km day, 1000's km at night

40 Meters

7.00-7.30 MegaHertz

KiloHertz

800 km day, DX at night

30 Meters

10.10-10.15 MegaHertz

KiloHertz

1500 km day, DX at night

20 Meters

14.00-14.35 MegaHertz

KiloHertz

DX day and night

17 Meters

18.068-18.168 MegaHertz

KiloHertz

DX day, DX night on solar peak

15 Meters

21.00-21.45 MegaHertz

KiloHertz

DX day, DX night on solar peak
May not open at all on solar min

12 Meters

24.89-24.99 MegaHertz

KiloHertz

DX on solar peak, local on solar min

10 Meters

28.00-29.70 MegaHertz

20 KiloHertz

DX on solar peak, local on solar min
Lowest band for FM

6 Meters

50.00-54.00 MegaHertz

30 KiloHertz

Some DX solar peak, local solar min

2 Meters

144.00-148.00 MegaHertz

30 KiloHertz

Local, handheld radios (HTs) and repeaters

1.25 Meters

220.00-225.00 MegaHertz

100 KiloHertz

Local, Reg. 2 only, little commercial equipment available

70 Centimeters

430.00-450.00 MegaHertz *

12 MegaHertz

Local, HTs, mobile, repeaters
Lowest band for Fast Scan TV

33 Centimeters

902.00-928.00 MegaHertz *

12 MegaHertz

Local, Satellite

 23 Centimeters

1.240-1.300 GigaHertz *

 

Local, Satellite

  2.300 - 2.450 GigaHertz *  Local, Satellite
 
3.300 - 3.500 GigaHertz *
 
Local, Satellite
 5.650 - 5.925 GigaHertz * Local, Satellite
 10.00 - 10.50 GigaHertz * Local, Satellite
 24.00 - 24.05 GigaHertz Local, Satellite
 24.05 - 24.25 GigaHertz * Local, Satellite
 47.00 - 47.20 GigaHertz Local, Satellite
 75.50 - 76.00 GigaHertz Local, Satellite
 76.00 - 81.00 GigaHertz * Local, Satellite
 119.98 - 120.02 GigaHertz * Local, Satellite
 142.00 - 144.00 GigaHertz Local, Satellite
 144.00 - 149.00 GigaHertz * Local, Satellite
 241.00 - 248.00 GigaHertz * Local, Satellite
 248.00 - 250.00 GigaHertz Local, Satellite
 
DX means direct world wide contacts are possible.
 
Bands marked * are non-exclusive for ham use and are shared with other users.

There are assigned ham bands above 23 CM - 1.2 Ghz, but there is little commercial radio equipment available for those bands, so mostly advanced experimental work occurs there.