Complex sentence: In February 2007, the call letters were changed to WFMX, to more closley resemble the "Mix" name, a power increase was granted as well, improving the signal to the south.
Split into simpler sentences: In February 2007, the call letters were changed to WFMX, to more closely resemble the "Mix" name. A power increase was granted as well, improving the signal to the south.