Everett Mass - FD Channel 3 is " Central Fireground "

Everett Mass - FD " Channel 3 " is " MetroFire Central FG "

Central FG is one of the MetroFire channels - apparently Everett has
it in the 3rd slot of their FD radios

this would make sense - Everett FD Ch 1 is probably Slot 1 - Everett
FD Ch 2 is probably Slot 2 (this is a 2ndary repeater channel that
Everett FD has)