10 METERS (29 Mhz band )
29.600 Mhz is the National FM simplex frequency on this band. Some FM simplex operation also occurs on 29.500 Mhz.
6 METERS (50-54 Mhz band)
52.525 Mhz is the National FM simplex frequency on 6 meters. 52.490 and 52.510 Mhz are also used. Other FM simplex activity occurs in the 51.100 to 52.000 Mhz range.
2 METERS (144-148 Mhz)
146.520 Mhz is the National FM simplex calling frequency. The following voice FM simplex frequencies are used on 2 meters, based on a 15Khz frequency spacing matrix.: *146.400, 146.415, *146.430, 146.445, *146.460, 146.475, 146.490, 146.505, 146.520, 146.535, 146.550 , 146.565 and 146.580 Mhz. 147.420, 147.435, 147.450, 147.465, 147.480, 147.495, 147.510, 147. 525, 147.540, 147.555 and 147.570 Mhz are also used.
Notes: 1) The above listed FM simplex frequencies are on a 15 Khz matrix, which is the closest spacing recommended when FM radio transmitters are set with a maximum audio deviation of 5.0 Khz. Operation on frequencies with a closer spacing than 15 Khz will cause adjacent channel interference problems with the frequencies on each side. Interference will be caused by operation on the 5 Khz and 10 Khz channels between the above listed simplex frequencies or near to repeater inputs or outputs.
2) * 146.400 (optional input for 147.00), 146.430 (input for 147.030) and 146.460 (input for 147.060) are sometimes used as inputs to 147.000, 147.030 and 147.060 Mhz repeaters instead of the frequency 600 Khz above the repeater output. Be sure and check for local repeater input use of these frequencies before operating FM simplex on these frequencies in the State of Minnesota.
3) Digital modes (Packet radio) should not use the FM voice simplex frequencies listed above as wider spacing (20 Khz recommended) is needed between adjacent frequencies for packet radio use. A 20 Khz spacing matrix of frequencies near to 145.010 Mhz and 145.610 Mhz is available for packet..
222 Mhz (222-224 Mhz, sometimes called 1 1/4 meter band)
222.350 Mhz is the National FM simplex calling frequency. A 20 Khz spacing matrix is used on this band. Other frequencies in the 223.600 to 223.850 Mhz range are also used for FM simplex.
440 Mhz (420-450 Mhz, sometimes called 70 cm band)
446.000 Mhz is the National FM simplex calling frequency. A 25 Khz spacing matrix is used on this band. Because of the short range of FM simplex on 440 Mhz, no other simplex frequencies are specifically identified on this band. . If duplex cross-banding is to be done on the 440 Mhz band, the frequencies of 445.975 and 446.025 Mhz are recommended for such operations in Minnesota. The use of other 445 and 446 Mhz frequencies is not recommended as these frequencies are used quite extensively in Minnesota for Auxiliary or Control Links for the repeater and remote base systems now in operation
UPPER UHF BANDS
900 Mhz FM Simplex identified in the 927.00 to 928.00 Mhz range but no specific calling channel is identified.
1.2 Ghz . 1294.50 Mhz is the National FM calling frequency on this band.
1294.00 to 1295.000 Mhz is identified as the FM Simplex operation area in this band.