The Southern NH and Northern MA Police, Fire, EMS scanner stream provides audio from the radio communications between the emergency dispatch center and emergency services ... See more providers in Essex, MA, United States, covering Southern NH to include Fire and Rescue channels from SWFMA, Seacoast, Lakes Region, Capital Area, Derry, Londonderry, Salem, Pelham, and Windham, as well as local and state police from those areas. Other areas covered are Northen MA to include Essex County Fire.