Cumulus flipped WMTI to Alternative "106.1 The Underground" at 3pm. The new format will feature 106 minute blocks of music under the oversight of Ray Mariner, the PD of sister Country "92.3 Nash-FM" WRKN. Cumulus has applied for new WZRH call letters for the station. WZRH was the identity used by "Zephyr 106.1" in its