| Frequencies Allocated | |||
| Simplex | Repeater | Functional Allocation | |
| Input | Output | ||
| 144.000 - 144.100 | Moonbounce and Terrestrial CW | ||
| 144.100 | National CW Calling Frequency | ||
| 144.100 - 144.200 | CW/SSB Weak Signal | ||
| 144.200 - 144.275 | AM Narrow-band Modes, Exclusive (including CW SSB, ACSSB and other modes having bandwidth less than 3 kHz, e.g., FAX, SSTV, RTTY) | ||
| 114.275 - 144.300 | Propagation Beacon Network, Exclusive | ||
| 144.310 - 144.490 | Digital, Group 1 (20 kHz interval) (bandwidth, ERP, coverage to be coordinated operation on 144.310 MHz allowed if it does NOT interfere with propagation beacon sub-band) | ||
| 144.340 | National ATV Coordination Frequency | ||
| 144.390 | National APRS Frequency | ||
| 144.510 - 144.590 | 145.100 - 145.190 | Repeaters Group 1, (FM,ACSSB Repeaters Primary, Linear Translators Secondary) (-600, 20 kHz interval) (Note 1) | |
| 144.610 - 144.890 | 145.210 - 145.490 | Repeaters Group 2 (-600, 20 kHz interval) (Note 1) | |
| 144.910 - 144.990 | Digital, Group 2 (20 kHz interval) | ||
| 145.610 - 145.690 | 145.010 - 145.090 | Digital Repeaters, Group 1 (+600, 20 kHz interval) | |
| 145.500 - 145.590 | Space Station Links | ||
| 145.710 - 145.790 | Digital, Group 3 (20 kHz interval) | ||
| 145.800 - 146.000 | Amateur Satellite, Exclusive | ||
| 146.020 - 146.380 | 146.620 - 146.980 | Repeaters Group 3 (-600, 20 kHz interval) | |
| 146.400 | 146.400 | 147.000 | FM Simplex, Orphan (alternate repeater input) (Note 2) |
| 146.415 - 146.595 | FM Simplex, Group 1 (15 kHz interval) | ||
| 146.520 | National FM Calling Frequency | ||
| 147.600 - 147.980 | 147.700 - 147.380 | Repeaters Group 4 (+600, 20 kHz interval) | |
| 147.420 & 147.435 | Internet linked simplex, SNP (15 kHz interval) (Note 3) | ||
| 147.450 - 147.585 | Internet linked simplex (15 kHz interval) (Note 3) | ||
| Revision date | 2005.06.01 | ||
| Note 1 | The repeater channels transmitting on 145.130 MHz and 145.290 MHz are SNP (Shared, Non-Protected) channels. Tone-coded squelch is mandatory for all SNP channels. | ||
| Note 2 | The frequency 146.400 MHz is preferred as an FM Simplex channel. In some cases, 146.400 can be coordinated as an alternative input for a repeater with output on 147.000 MHz. | ||
| Note 3 | Frequencies from 147.420 to 147.585 (15 kHz interval) have been classified for use by internet-linked simplex operations.Operators are encouraged to use minimum output power, and to load the sub-band from the highest frequency down, recognizing that operation on adjacent 15 kHz channels may not be feasible in the same coverage area. Experimentation is limited to the SNP channels. Some digital (packet) operations have operated in this frequency range for many years, and may continue to operate here for a reasonable butlimited period of time, after which they are expect to move to one of the ranges assigned to digital operation. | ||