// Status=review
.JT9-Modes
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|========
|Submode|nsps|Symbol Duration (s)|Tone Spacing (Hz)|Signal Bandwidth (Hz)|S/N Threshold* (dB)|QSO Time (min)
|JT9-1|6912|0.58|1.736|15.6|-27|6
|JT9-2|15360|1.28|0.781|7.0|-30|12
|JT9-5|40960|3.41|0.293|2.6|-34|30
|JT9-10|82944|6.91|0.145|1.3|-37|60
|JT9-30|252000|21.00|0.048|0.4|-42|180
|========

NOTE: Noise power measured in 2500 Hz bandwidth.