1.25 metres

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Other VHF/UHF/Microwave wiki pages : 13 centimetres, 9 centimetres, 6 centimetres, 3 centimetres 1.25 centimetres and Bands above 24GHz.

Band: 1.25m
Bands
160m 80m 60m 40m 30m 20m 17m 15m 12m
10m 6m 4m 2m 1.25m 70cm 33cm 23cm 3cm
Band Privileges
US Extra 222.000-225.000
US Advanced 222.000-225.000
US General 222.000-225.000
US Technician 222.000-225.000
UK (all) Not used

222 MHz to 225 MHz is an amateur band only in Region 2. Countries where 222 MHz operation exists include the United States, Mexico, Central American nations, Caribbean nations, and Brazil.

Equipment

Because 222 MHz is only available to amateurs in Region 2, very little currently-manufactured equipment supports it. Examples include the Alinco DR-235T, the Kenwood TH-F6A and the U.S. versions of the Yaesu VX-7R and VX-6R HT. Many amateurs, especially those who do weak-signal work, use transverters on this band.

Modulation

Like the 6 metre and 2 metre bands, operation is typically CW and SSB in the lower band and FM in the upper band.

Propagation

222 MHz propagation is primarily line of sight, although enhanced modes do exist. There is no F2 layer propagation on this band, but tropospheric ducting and aurora exist.


Bands
HF and MF 160 metres * 80 metres* 60 metres * 40 metres * 30 metres * 20 metres * 17 metres * 15 metres * 12 metres * 10 metres
VHF 6 metres * 4 metres * 2 metres * 1.25 metres
UHF 70 centimetres * 33 centimetres * 23 centimetres * 13 centimetres
Microwave 9 centimetres * 6 centimetres * 3 centimetres * 1.25 centimetres * Bands above 24GHz
See also US bandplan