Deep SUNA Manual
For SUNA running firmware version 2.4 or later
7. SUNA Frame Definitions
Table 24: Synchronization header frame definitions
Field
Concentration
Full ASCII
Full Binary
Reduced Binary
Header and Serial Number
SATSLCnnnn
SATSDCnnnn
SATSLFnnnn
SATSDFnnnn
SATSLBnnnn
SATSDBnnnn
SATSLRnnnn
SATSDRnnnn
Date, year and day-of-year
AI 7
AI 7
BS 4
BS 4
Time, hours of day
AF
AF
BD 8
BD 8
Nitrate concentration [μM]
AF
AF
BF 4
BF 4
Nitrogen in nitrate [mg/l]
AF
AF
BF 4
BF 4
Absorbance at 254 nm
AF
AF
BF 4
BF 4
Absorbance at 350 nm
AF
AF
BF 4
BF 4
Bromide trace [mg/l]
AF
AF
BF 4
BF 4
Spectrum average
−
AI
BU 2
BU 2
Dark value used for fit
−
AI
BU 2
BU 2
Integration time factor
−
AI
BU 1
BU 1
Spectrum channels
−
256 x AI
256 x BU 2
32 x BU 2
Internal temperature [˚C]
−
AF
BF 4
−
Spectrometer temperature [˚C]
−
AF
BF 4
BF 4
Lamp temperature [˚C]
−
AF
BF 4
BF 4
Cumulative lamp on-time [s]
−
AI
BU 4
−
Relative Humidity [%]
−
AF
BF 4
BF 4
Main Voltage [V]
−
AF
BF 4
−
Lamp Voltage [V]
−
AF
BF 4
−
Internal Voltage [V]
−
AF
BF 4
−
Main Current [mA]
−
AF
BF 4
−
Fit Aux 1
−
AF
BF 4
−
Fit Aux 2
−
AF
BF 4
−
Fit Base 1
−
AF
BF 4
−
Fit Base 2
−
AF
BF 4
−
Fit RMSE
AF
AF
BF 4
BF 4
CTD Time [seconds since 1970]
−
AI
BU 4
BU 4
CTD Salinity [PSU]
−
AF
BF 4
BF 4
CTD Temperature [˚C]
−
AF
BF 4
BF 4
CTD Pressure [dBar]
−
AF
BF 4
BF 4
Check Sum
−
AI
BU 1
BU 1
Terminator
CR LF
CR LF
−
8−
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