{HEAD ~ The respective outputs} from the high group divider and {TAIL ~ the low group divider} are supplied to a high group sine wave signal generator and a low group sine wave signal generator 
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{ HEAD ~ The respective outputs } from the high group divider and { TAIL ~ the low group divider } are supplied to a high group sine wave signal generator and a low group sine wave signal generator
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH