Frequencies

Essex Raynet Operational Frequencies

Frequency (MHz) Channel No. Usage
70.350 41 Reserve
70.375 42 Secondary 4m operating frequency
70.400 43 Primary 4m operating frequency
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
433.700 71 Primary UHF operating frequency
433.725 72 Secondary UHF operating frequency
433.750 73 Tertiary
433.775 74 Reserve
438.8125 75 Engineering
438.825 76
438.8375 77
438.850 78
438.8625 79
438.875 80
438.8875 81
438.900 82
438.9125 83
438.400 84a 70cm repeater

 

(Base Tx)
430.800 84b (Mobile Tx)
     

N.B. Channels designated as ‘Engineering’ not to be use unless directed by control station