To protect other stations on 600 AM from interference, at night it reduces power to 127 watts.
The transmitter tower is on Sweden Street (Route 181), east of downtown Caribou.
[5] WFST airs national religious programs including Insight for Living with Chuck Swindoll, Focus on the Family with Jim Daly, Turning Point with David Jeremiah and Grace to You with John MacArthur.
AM 600 is the frequency on which CFCF in Montreal was located, Canada's first radio station.
That FM frequency is now part of the Channel X Radio network of stations.