General information: All files consist of comma delimited text.  The first column in each file is the “day number” beginning with January 1, 2009. As an example, August 13, 2009 at 00:00:00 hours would be day number 225.0000000000.  The day number is derived from GPS data by each Restrained ADOS A instrument.

File: Location Data
File extension: A*_loc.txt
Content: Location and Restrained ADOS A instrument battery voltage
Format: daynumber, latitude sign, latitude degrees, longitude sign, longitude degrees, GPS figure of merit (FOM) in meters, voltage of bouy

File: Pressure Data
File extension: C*_press.txt
Content: Thermistor chain pressure. Invalid pressures are 40.95. 
Format: daynumber, p1,…,pEnd (bar) (note: data corresponds to physical sensor order - see “About Calibration Files” for additional information)
Formula: Ptrue = (scaling factor*Psensor) + offset - ~1 bar
Calibration: See calibration files for additional information

File: Pressure Data
File extension: A*_press.txt (Not available on web)
Content: Thermistor chain pressure. Invalid pressures are 40.95. 
Format: daynumber, p1,…,p20 (bar) (note: data is presented by sensor reporting order and is not corrected for physical sensor order – see “About Calibration Files” for additional information)
Formula: Ptrue = (scaling factor*Psensor) + offset - ~1 bar
Calibration: See calibration files for additional information

File: ADCP Data 
File extension: A*_adcp_diag.txt
Content: ADCP data (for additional information visit the Nortek AS web site and download System Integrator Guide, Paradopp Family of Products, October 2004, N3001-101 Rev. F).  ADCP is programmed for 20 cells, 4 meter cell size and 90 sec averages.
Format: daynumber, sync, format ID, size, year, month, day, hour, minute, second, error, analog, battery, sound, compass heading,  pitch, roll, pressure, status, temperature, check sum (raw value converted to decimal)

File: Temperature Data
File extension: C*_temp.txt
Content: Thermistor chain temperature. Sst is always invalid (sensor does not contact water).  Invalid values are 35.95 and -5.
Format: daynumber, sst, t1,…,tEnd (degrees Celsius) (note: data corresponds to physical sensor order - see “About Calibration Files” for additional information)
Formula: Ttrue = slope*Tsensor + intercept.
Calibration: See calibration files for additional information

File: Temperature Data (Not available on web)
File extension: A*_temp.txt
Content: Thermistor chain temperature. Sst is always invalid (sensor does not contact water).  Invalid values are 35.95 and -5.
Format: daynumber, sst, t1,…,t20 (degrees Celsius) (note: data is presented by sensor reporting order and is not corrected for physical sensor order – see “About Calibration Files” for additional information)
Formula: Ttrue = slope*Tsensor + intercept.
Calibration: See calibration files for additional information

File: Velocity E Data
File extension: A*_adcp_ve.txt
Content: E velocity (20 cell, 4 meter cell size, 90 sec averages)
Format: daynumber, ve1,…,ve20 (cm/sec)

File: Velocity N Data
File extension: A*_adcp_vn.txt
Content: N velocity (20 cell, 4 meter cell size, 90 sec averages)
Format: daynumber, vn1,…,vn20 (cm/sec)

File: Velocity U Data
File extension: A*_adcp_vu.txt
Content: U velocity (20 cell, 4 meter cell size, 90 sec averages)
Format: daynumber, vu1,…,vu20 (cm/sec)


File: Beam 1 Amplitude Data
File extension: A*_amp_1.txt
Content: Beam 1 amplitude
Format: daynumber, a1,…,a20

File: Beam 2 Amplitude Data
File extension: A*_amp_2.txt
Content: Beam 2 amplitude
Format: daynumber, a1,…,a20

File: Beam 3 Amplitude Data
File extension: A*_amp_3.txt
Content: Beam 3 amplitude
Format: daynumber, a1,…,a20

File: Data Conversion Log (Not available on web)
File extension: A*_conv_log.txt
Content: n/a
Format: n/a

File: Raw Data (Hexadecimal Text; not available on web)
File extension: A*_t.txt
Content: Raw data presented as hexadecimal text
Format: n/a
Revised: August 17, 2009

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