An area broadcast shift may occur when a ship or aircraft crosses the boundary between listening areas.
Shift times, on the date a ship or aircraft is expected to pass into another area, must be strictly observed or the ship or aircraft will miss messages intended for it.
Source: from Federal Standard 1037C
Public radio, TV network cuts staff, broadcast area ; Two radio towers' closure means Calais and Fort Kent listeners must go online to hear MPBN programming.
Dec 19, 2008; RAY ROUTHIER By RAY ROUTHIER Staff Writer Portland Press Herald (Maine) 12-19-2008 Public radio, TV network cuts staff, broadcast...