APPENDIX IV
WMO Code 1770
IxIxIx= Instrument type for XBT, with fall rate equation coefficients
Code figure
Instrument
Equation Coefficients a and b
001
002
011
021
031
032
041
042
051
052
061
071
201
202
211
212
221
222
231
241
401
411
421
431
441
451
461
471
481
491
501
700
710
720
730
800
810
820
830
Sippican T-4
Sippican T-4
Sippican T-5
Sippican Fast Deep
Sippican T-6
Sippican T-6
Sippican T-7
Sippican T-7
Sippican Deep Blue
Sippican Deep Blue
Sippican T-10
Sippican T-11
TSK T-4
TSK T-4
TSK T-6
TSK T-6
TSK T-7
TSK T-7
TSK T-5
TSK T-10
Spartan XBT-1
Spartan XBT-3
Spartan XBT-4
Spartan XBT-5
Spartan XBT-5DB
Spartan XBT-6
Spartan XBT-7
Spartan XBT-7DB
Spartan XBT-10
Spartan XBT-20
Spartan XBT-20DB
Sippican XCTD standard
Sippican XCTD deep
Sippican AXCTD
Sippican SXCTD
Mechanical BT
Hydrocast
Thermistor chain
CTD
6.472, -2.16
6.691, -2.25
6.828, -1.82
6.346, -1.82
6.472, -2.16
6.691, -2.25
6.472, -2.16
6.691, -2.25
6.472, -2.16
6.691, -2.25
6.301, -2.16
1.779, -0.255
6.472, -2.16
6.691, -2.25
6.472, -2.16
6.691, -2.25
6.472, -2.16
6.691, -2.25
6.828, -1.82
6.301, -2.16
6.301, -2.16
5.861, -0.0904
6.472, -2.16
6.828, -1.82
6.828, -1.82
6.472, -2.16
6.472, -2.16
6.472, -2.16
6,301, -2.16
6.472, -2.16
6.472, -2.16
AIV-1
