周波 しゅうは数 すう変位 へんい方式 ほうしき

shūhasūhen'ihōshiki

1. Not frequency-shift keying.; Not FSK.

1. Was frequency shift keying.

1. Frequency shift keying; Frequency modulation

1. Frequency-shift keying; Frequency modulation

1. It is not frequency shift keying.; It's not FSK.

1. It's not frequency shift keying.

1. Frequency-shift keying was.

1. Frequency-shift keying.; FSK.

1. It is not frequency shift keying.; It is not FSK.

1. Wasn't frequency shift keying.; Wasn't a frequency shift method.

1. Frequency-shift keying, likely.; Probably frequency-shift keying.

1. It was not frequency shift keying.; It wasn't FSK.

1. Wasn't frequency shift keying.; Wasn't a frequency modulation method.

1. Frequency-shift keying, likely.

1. Was not frequency shift keying.; Was not FSK.

1. If/when frequency shift keying; If/when frequency modulation

1. If frequency shift keying; When using frequency shift keying

1. If frequency shift keying; When frequency shift keying