Essex Raynet Operational Frequencies
| Frequency (MHz) | Channel No. | Usage | |
| 144.625 | 21 | Tertiary | |
| 144.6375 | 22 | Reserve | |
| 144.650 | 23 | Secondary VHF operating frequency | |
| 144.6625 | 24 | Reserve | |
| 144.675 | 25 | Primary VHF operating frequency | |
| 144.775 | 26 | Reserve | |
| 144.7875 | 27 | Reserve | |
| 144.800 | 28 | APRS – Automatic Packet Reporting System | |
| 144.875 | 29 | Data Primary – TCP/IP | |
| 144.9125 | 30 | AX25 primary | |
| 144.925 | 31 | Data Secondary – TCP/IP | |
| 145.200 | 32 | Reserve – Avoid use to prevent interference with ISS | |
| 145.225 | 33 | Reserve | |
| 145.800 | 34 | Reserve – Avoid use to prevent interference with ISS | |
| 70.350 | 41 | Reserve | |
| 70.375 | 42 | Secondary 4m operating frequency | |
| 70.400 | 43 | Primary 4m operating frequency | |
| 51.650 | 51 | Primary 6m operating frequency | |
| 51.750 | 52 | Secondary 6m operating frequency | |
| 51.770 | 53 | Reserve | |
| 51.790 | 54 | Reserve | |
| 433.700 | 71 | Primary UHF operating frequency | |
| 433.7125 | 71a | Reserve | |
| 433.725 | 72 | Secondary UHF operating frequency | |
| 433.7375 | 72a | Reserve | |
| 433.750 | 73 | Tertiary | |
| 433.7625 | 73a | Reserve | |
| 433.775 | 74 | Reserve | |
| 438.8125 | 75 | Engineering | |
| 438.825 | 76 | Engineering | |
| 438.8375 | 77 | Engineering | |
| 438.850 | 78 | Engineering | |
| 438.8625 | 79 | Engineering | |
| 438.875 | 80 | ENgineering | |
| 438.8875 | 81 | Engineering | |
| 438.900 | 82 | Engineering | |
| 438.400 430.800 |
84 | 70cm repeater | (Mobile Rx) (Mobile Tx) |
| 438.3875 430.7875 |
85 | 70cm repeater | (Mobile Rx) (Mobile Tx) |
| 438.4125 430.8125 |
86 | 70cm repeater | (Mobile Rx) (Mobile Tx) |
