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??? Please note that the Thermosalinograph Keel 1 can only be operated upon request. Request operations with the Thermosalinograph Keel 1 to AWI-Logistics in sufficient time prior to the cruise. ???

Thermosalinograph Keel 1 data stored in data acquisition system DShip are uncorrected measurement data.

??? The thermosalinograph keel 1 consists of the SBE21, the external thermometer SBE38, NMEA interface box and a pipe system with a flow meter. The system is located in the box keel (depth: 11m). ??? together with a second SBE21 thermosalinograph keel 2. The water inflow is in about 11 m depending on the ships draft.

??? Time synchronising of the computers is regulated via ???UTC time is supplied via NMEA telegram.

|| Device name | thermosalinometer (bow/keel) ??? || 
|| Parameters | conductivity keel S/m \[S/m\], salinity keel \[psu\], soundvelocity external \[m/s\], temperature keel \[°C\], temperature keel internal \[°C\], TSG_KEEL.SBE21..Sentence ??? ||

Shortly after the cruise the uncorrected thermosalinograph measurement data are available at the DShip onshore system https://dms.awi.de. 4As weekssoon afteras thea post-cruise the processed thermosalinographcalibration was performed, the data are processed and availableuploaded in [PANGAEA|http://www.pangaea.de/search?l&q=polarstern+thermosalinograph].

|| File format(s) | ???*.txt || 
|| Calibration certificates | ???YES ||
|| Location of certificates | Fielax GmbH (calibration information in Epic processing reports) ||