Feed of the Raritan Valley trunked radio system. This system is used primarily by the St. John's volunteer emergency services. EMS, Search and Rescue, Special Resources, and administration operate on this system. Paging, has also been observed.
S.J.V.E.S. is a non profit volunteer organization that provides non 9-1-1 services based out of Middlesex County. They are believed to be using a smart zone type trunked radio system and operate primarily on District talkgroups 1,2 and 3. The alert tones and assignments can be heard on the main dispatch channel. EMS, Rescue, and specialized resources can be heard on the system. A detailed list of channels and frequencies will be posted soon.