Complex sentence: They knew 7 other applicants were pursuing channels in Manchester, where now only one channel was open: 94.9, a channel that was essentially useless because of co-channel interference from super-power WHOM-FM up on Mt.
Split into simpler sentences: They knew 7 other applicants were pursuing channels in Manchester, where now only one channel was open: 94.9. A channel that was essentially useless because of co-channel interference from super-power FM WHOM up on Mt.