To study the upconversion effect in DARM. Analysis will follow

DHARD_Y 2.6Hz line ampl 10
start   PDT: 2023-07-21 12:29:52.313179 PDT
        UTC: 2023-07-21 19:29:52.313179 UTC
        GPS: 1374003010.313179
stop    PDT: 2023-07-21 12:34:54.886621 PDT
        UTC: 2023-07-21 19:34:54.886621 UTC
        GPS: 1374003312.886621

DHARD_Y 2.6Hz line ampl 5
start   PDT: 2023-07-21 12:35:27.167927 PDT
        UTC: 2023-07-21 19:35:27.167927 UTC
        GPS: 1374003345.167927
stop    PDT: 2023-07-21 12:40:31.112863 PDT
    UTC: 2023-07-21 19:40:31.112863 UTC
    GPS: 1374003649.112863

DHARD_Y 2.6Hz line ampl 20
start   PDT: 2023-07-21 12:40:59.351663 PDT
        UTC: 2023-07-21 19:40:59.351663 UTC
        GPS: 1374003677.351663
stop    PDT: 2023-07-21 12:46:00.319361 PDT
        UTC: 2023-07-21 19:46:00.319361 UTC
        GPS: 1374003978.319361

DHARD_Y 2.6Hz line ampl 40
start   PDT: 2023-07-21 12:46:31.743398 PDT
        UTC: 2023-07-21 19:46:31.743398 UTC
        GPS: 1374004009.743398
stop   PDT: 2023-07-21 12:51:31.519029 PDT
        UTC: 2023-07-21 19:51:31.519029 UTC
        GPS: 1374004309.519029
 
Then ramping amplitude down in 200 seconds