144.000 – 144.100 | CW only (Part 97.6a) |
144.100 – 144.275 | AM, SSB and other weak signal / narrow bandwidth modes |
144.275 – 144.300 | CW Propagation Beacons |
144.310 – 144.375 | FM simplex (unchannelized) |
144.390 | Digital (packet) – (APRS) |
144.405 – 144.490 | FM simplex (unchannelized) |
144.505 | Repeater output (paired with 145.105 input) |
144.520 – 144.880 | Repeater inputs: 20 kHz spacing |
144.895 | Repeater output (paired with 145.495 input) |
144.910 | Cross-band repeater input / output (not coordinated, CTCSS use mandatory) |
144.930 | Portable repeater output, shared (paired with 147.585) |
144.950 | Repeater output (paired with 147.405 input) |
144.970 | Digital (packet) |
144.985 – 145.015 | Digital voice repeater inputs (i.e. D-Star): 10 kHz spacing) |
145.030 – 145.090 | Digital (packet): 20 kHz spacing |
145.105 | Repeater input (paired with 144.505 output) |
145.120 – 145.480 | Repeater outputs: 20 kHz spacing |
145.495 | Repeater input (paired with 144.895) |
145.510 – 145.660 | FM simplex: 15 kHz spacing |
145.675 – 145.785 | Fixed simplex auxiliary stations (internet links, remote base, etc.: 15 kHz spacing |
145.800 – 146.000 | OSCAR satelite use |
146.010 – 146.385 | Repeater input / output (15 kHz inverted tertiary sub-band plan) |
146.400 | Repeater input (paired with 147.435 output) |
146.415 | Repeater input (paired with 147.450 output) |
146.430 | ATV FM simplex |
146.460 | Fixed simplex auxiliary station (internet links, remote base, etc.) |
146.475 | Repeater input (paired with 147.420 output) |
146.490 | Repeater input (paired with 147.495 output) |
146.505 | Repeater input (paired with 147.465 output) |
146.520 | National FM simplex |
146.535 – 146.595 | FM simplex: 15 kHz spacing |
146.610 – 147.390 | Repeater input / output (15 kHz inverted tertiary sub-band plan) |
147.405 | Repeater input (paired with 144.950 output) |
147.420 | Repeater output (paired with 146.475 input) |
147.435 | Repeater output (paired with 146.400 input) |
147.450 | Repeater output (paired with 146.415 input) |
147.465 | Repeater output (paired with 146.505 input) |
147.480 | FM simplex |
147.495 | Repeater output (paired with 146.490 input) |
147.510 | FM simplex |
147.525 | Cross-band repeater input / output (not coordinated, CTCSS use mandatory) |
147.540 – 147.570 | Digital voice repeater outputs (i.e. D-Star): 10 kHz spacing |
147.585 | Portable repeater input, shared (paired with 144.930 output) |
147.600 – 147.990 | Repeater input / output (15 kHz inverted tertiary sub-band plan) |