Complex sentence: The CFMZ call sign was originally assigned to the Cobourg transmitter--however, according to Industry Canada databases, the Toronto rebroadcaster kept its original CFMX-FM-1 call sign.
Split into simpler sentences: The CFMZ call sign was originally assigned to the Cobourg transmitter. However, according to Industry Canada databases, the Toronto rebroadcaster kept its original CFMX-FM-1 call sign.