Complex sentence: In the latter part of the 1970's, CFQM was unique for FM reception in the Canadian Maritimes since few radio stations were broadcasting in the region besides CFBC-FM, CHFX-FM and C100-FM.
Split into simpler sentences: In the latter part of the 1970's, CFQM was unique for FM reception in the Maritimes. Only a few radio stations were broadcasting in the region besides CFBC-FM, CHFX-FM and C100-FM.