| Chester2015 — Dataset Notes | |
| March 11, 2015 10:15 — March 19, 2015 12:00 | |
| Collected under ice cover | |
| Chester2015 — Sonde Cleaning/Calibrations | |
| April 3, 2015 13:43 | cleaned |
| June 9, 2015 10:30 | cleaned and calibrated |
| June 9, 2015 13:22 | cleaned and calibrated |
| June 26, 2015 12:15 | cleaned and calibrated |
| July 10, 2015 12:00 | cleaned and calibrated |
| July 24, 2015 11:45 | cleaned and calibrated |
| August 10, 2015 11:15 | cleaned and calibrated |
| September 14, 2015 17:00 | cleaned |
| October 7, 2015 16:07 | cleaned |