KMSC WKFM watts watt DCF77 WKDL QQ100 MHz kHz 104Qp1 WFGI WRTP 95Qp1 subcarrier 87Qp75 FM CKNR simulcasting mHz WFLO repeaters WMNA kw 101Qp1 Sentech KPTY frequency heterodyned CHVO L2C WDNE CKPT bandlimited 5060Qp194 88Qp1 shortwave fQundb WQQWK KMCQQ