There is some confusion because the link shared requires a Nextdoor account to view. The original post is in reference to the Berthoud, Estes Valley, Loveland, Poudre, and Wellington implementing closest unit disaptching today. The link in the original post is off a news feed which does not link properly for someone who does not have a Nextdoor account and takes them to a login page for Nextdoor. The public link for what they were trying to share is below.
A great enhancement to fire service deployment went into service today. A new county-wide dispatching system went live which includes closest unit dispatching for fire resources. The closest unit dispatching concept sends the closest fire companies to an emergency scene without consideration of...
nextdoor.com
There is probably going to be no change other than the automatic voice dispatching, but I am not in a position to monitor or confirm that.
What usually happens when closest unit dispatching is implemented is that the channels stay the same, but now the CAD will automatically assign and dispatch units on that agency's regular radio channels. Units are normally advised of which channel they need to switch to for an incident based on who the primary handling agency is. For example, a call immediately south of Carpenter Rd would be a Loveland incident, but Poudre Station 14 is the closest unit so they would be dispatched on Poudre's channel and would then be told to switch over to a Loveland channel for the call.