位相 いそう変調 へんちょう記録 きろく

isō henchōkiroku

1. Not phase modulation recording.

1. Was phase modulation recording.

1. Phase-shift recording with

1. Phase modulation recording; Phase-modulated recording

1. It is not phase-change recording.

1. It's not phase modulation recording.

1. Was phase modulation recording.

1. Phase modulation recording.

1. Is not phase modulation recording.; It is not phase modulation recording.

1. Wasn't phase modulation recording.

1. Probably phase-shift recording.

1. Was not phase modulation recording.; Was not a phase modulation record.

1. Wasn't phase modulation recording.; Wasn't a phase modulation record.

1. Probably phase-modulated recording.

1. Was not phase modulation recording.; Was not a phase modulation record.

1. If/when phase modulation recording…; If phase modulation recording were…

1. if it is phase-modulated recording; if phase modulation recording is the case

1. If/when phase modulation recording