SonTek/YSI Argonaut-XR Technical Manual - HydroScientific West

8.3.2. CTD ASCII Data Format
Argonaut Operation Manual Firmware Version 7.9 (May 1, 2001)
SonTek/YSI
This section describes the format of the Argonaut ASCII CTD data coming over a serial port
when either acquiring data in real-time using a terminal emulator or reading the data stored in the
recorder using recorder commands. The CTD sensor data (if present) are given in a single line
immediately following the sample data.
87514 468151 0 351354
The data format is as follows:
• CTD Temperature (units 0.0001 °C)
• CTD Conductivity (units of 0.00001 Siemens per meter)
• CTD Pressure (units of 0.001 decibar) (note the CTD may not include a pressure sensor)
• CTD Salinity (units of 0.0001 ppt)
8.3.3. CTD Binary Data Format
The SeaBird format is a specialized data format used when integrating the Argonaut MD with the
SeaBird inductive modem. It consists of a single, 24-byte, binary record that is output with the
completion of each sample. If the output format is set to SeaBird, the run-time commands are
disabled. The last byte of the SeaBird record is a checksum of the preceding 23 bytes. Note that
the setting of the output format does not affect data recorded to the internal recorder; the binary
data format is always used. More detail on the binary data output is available in Appendix 1.
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