TESAC

Temperature, salinity and current report from a sea station

        
Section 1
        
KKXX YYMMJ
        GGgg/  QcLaLaLaLa  LoLoLoLoLo
        (iuddff)  (4snTTT)
        
Section 2
        
888 k1k2 2z0z0z0z0 3 T0T0T0T0
        4 S0S0S0S0 2z1z1z1z1 3 T1T1T1T1 4 S1S1S1S1 . . . . .
        . . . . . . . . . . 2znznznzn
        3 TnTnTnTn 4 SnSnSnSn (00000)
        
Section 3
        
(66 k6
        k4 k3 2z0z0z0z0
        d0d0
        c0c0c0 2z1z1z1z1
        d1d1
        c1c1c1 . . . . . . . . . . 2znznznzn dndn cncncn)
        
Section 4
        
(55555 1ZdZdZdZd)
        
Section 5
        
D.....D or 99999 A1 bw nbnbnb
      

YY

Day of the month (UTC), with 01 indicating the first day, 02 the second day,etc. on which the actual time of observation falls

MM

Month of the year (UTC), i.e. 01=January; 02=February, etc.

J

Units digit of the year (UTC), i.e. 1994 = 4

GGgg

Time of observation, in hours and minutes (UTC)
(In BATHY and TESAC, GGgg is the time of launching the bathythermograph.)

Q_c

Quadrant of the globe.

Code figure	Latitude	Longitude
1	North	East
3	South	East
5	South	West
7	North	West

Note: The choice is left to the observer in the following cases:

When the ship is on the Greenwich meridian or the 180th meridian (LoLoLoLo = 0000 or 1800 respectively):
Qc = 1 or 7 (northern hemisphere) or
Qc = 3 or 5 (southern hemisphere);
When the ship is on the Equator (LaLaLa = 000):
Qc = 1 or 3 (eastern longitude) or
Qc = 5 or 7 (western longitude).

L_aL_aL_aL_a

Latitude, in degrees and minutes

L_oL_oL_oL_oL_o

Longitude, in degrees and minutes

i_u

Indicator for units of wind speed and type of instrumentation

Code figure	Units used	Instruments certified or otherwise
0	Metres per second	Land stations, and ships with certified instruments
1	Knots	Land stations, and ships with certified instruments
2	Metres per second	Ships with uncertified instruments
3	Knots	Ships with uncertified instruments

dd

True dirction, in tens of degrees, from which wind is blowing

Code
        figure 00 Calm 01 5-14 02 15-24 03 25-34 etc. etc. 36 335-4 99 Variable,
        or all directions or unknown or waves confused, direction indetermininate
        

ff

Wind speed, in units indicated by i_w

s_n

Sign of the data

code figure 0 Positive or zero 1 Negative
        

TTT

Air temperature, in tenths of a degree Celsius, its sign being given by s_n

k₁

Indicator for digitization

Code figure 7 Values at selected depths (data points fixed by the
        instrument or selected by any other method) 8 Values at significant depths
        (data points taken from traces at significant depths) 

k₂

Method of salinity/depth measurement

Code figure 0 No salinity
  measured 1 In situ sensor, accuracy better than 0.02 per mill 2 In situ
  sensor, accuracy less than 0.02 per mill 3 Sample analysis 

z₀z₀z₀z₀
z₁z₁z₁z₁
z_nz_nz_nz_n

Selected and/or significant depths, in metres, starting with the surface.

T₀T₀T₀T₀
T₁T₁T₁T₁
T_nT_nT_nT_n

Teperatures, in hundredths of a degree Celsius, at either significant or selected depths starting with sea surface

For negative temperatures, 5000 shall be added to the absolute value of the temperature in hundredths of a degree Celsius.

S₀S₀S₀S₀
S₁S₁S₁S₁
S_nS_nS_nS_n

Salinity, in hundredths of a part per thousand, (practical salinity) at either significant or selected depths starting with sea surface.

00000

The group 00000 shall be included only when the temperature (salinity) at the lowest depth of the sounding, which is (are) reported in the last groups of the section, is (are) actually the bottom layer temperature (salinity).

k₆

Method of removing the velocity and motion of the ship or buoy from current measurement

Code figure
0	Ship's motion removed by averaging	Ship's velocity removed by bottom tracking
1	Ship's motion removed by motion compensation
2	Ship's motion not removed.
3	Ship's motion removed by averaging.	Ship's velocity removed by navigation
4	Ship's motion removed by motion compensation.
5	Ship's motion not removed.
6	Doppler current profiling method not used.
7-9	Reserved

Note: Code figures 0, 1, 2 and 6 are also used for drifting buoys.

k₄

Period of current measurement (drift method)

Code figure 1 1 hour
  or less 2 More than 1 hour but 2 at the most 3 More than 2 hours but 4
  at the most 4 More than 4 hours but 8 at the most 5 More than 8 hours but
  12 at the most 6 More than 12 hours but 18 at the most 7 More than 18 hours
  but 24 at the most 9 Drift method not used 

k₃

Duration and time of current measurement (vector or Doppler current profiling method)

Code figure
1	Instantaneous	between H-1 and H
2	Averaged over 3 minutes or less
3	Averaged over more than 3 minutes, but 6 at the most
4	Averaged over more than 6 minutes, but 12 at the most
5	Instantaneous	between H-2 and H-1
6	Averaged over 3 minutes or less
7	Averaged over more than 3 minutes, but 6 at the most
8	Averaged over more than 6 minutes, but 12 at the most
9	Vector or Doppler current profiling method not used

Note: H = time of observation.

d₀d₀
d₁d₁
d_nd_n

True direction, in tens of degrees, towards which sea current at selected and/or significant depths starting with the surface is moving

Code
  figure 00 Calm 01 5-14 02 15-24 03 25-34 etc. etc. 36 335-4 99 Variable,
  or all directions or unknown or waves confused, direction indetermininate
  

c₀c₀c₀
c₁c₁c₁
c_nc_nc_n

Speed of the current, in centimetres per second, at selected and/or significant depths starting with sea surface

Z_dZ_dZ_dZ_d

Total water depth, in meters.

k₅

Indicator for the method of current measurement

Code figure 2
  GEK (Geomagnetic ElectroKinetograph) 3 Ship's set and drift determined
  by fixes 3-6 hours apart 4 Ship's set and drift determined by fixes more
  than 6 hours but less than 12 hours apart 

D_cD_c

Surface current direction, in tens of degrees.

V_cV_c

Surface current speed, in tenths of a knot.

D.....D

Ship's call sign consisting of three or more alphanumeric characters

A₁

WMO Regional Association area in which buoy, drilling rig or oil- or gas-production platform has been deployed (1 - Region I; 2 - Region II, etc.)

b_w

Sub-area belonging to the area indicated by A₁

n_bn_bn_b

Type and serial number of buoy