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About WMO Code Table 1770

Code Table 1770: Ix Ix Ix - Instrument type for temperature, with fall rate equation coefficients for XBT

Code Figure For IXIIXIX Code Figure For BUFR Instrument Make And Type Equation Coefficients_a Equation Coefficients_b Status
001 1 Sippican T-4 6.472 -2.16 Operational
002 2 Sippican T-4 6.691 -2.25 Operational
011 11 Sippican T-5 6.828 -1.82 Operational
021 21 Sippican Fast Deep 6.346 -1.82 Operational
031 31 Sippican T-6 6.472 -2.16 Operational
032 32 Sippican T-6 6.691 -2.25 Operational
041 41 Sippican T-7 6.472 -2.16 Operational
042 42 Sippican T-7 6.691 -2.25 Operational
051 51 Sippican Deep Blue 6.472 -2.16 Operational
052 52 Sippican Deep Blue 6.691 -2.25 Operational
061 61 Sippican T-10 6.301 -2.16 Operational
071 71 Sippican T-11 1.779 -0.255 Operational
081 81 Sippican AXBT (300 m probes) 1.52 0.0 Operational
201 201 TSK T-4 6.472 -2.16 Operational
202 202 TSK T-4 6.691 -2.25 Operational
211 211 TSK T-6 6.472 -2.16 Operational
212 212 TSK T-6 6.691 -2.25 Operational
221 221 TSK T-7 6.472 -2.16 Operational
222 222 TSK T-7 6.691 -2.25 Operational
231 231 TSK T-5 6.828 -1.82 Operational
241 241 TSK T-10 6.301 -2.16 Operational
251 251 TSK Deep Blue 6.472 -2.16 Operational
252 252 TSK Deep Blue 6.691 -2.25 Operational
261 261 TSK AXBT Operational
401 401 Sparton XBT-1 6.301 -2.16 Operational
411 411 Sparton XBT-3 5.861 -0.0904 Operational
421 421 Sparton XBT-4 6.472 -2.16 Operational
431 431 Sparton XBT-5 6.828 -1.82 Operational
441 441 Sparton XBT-5DB 6.828 -1.82 Operational
451 451 Sparton XBT-6 6.472 -2.16 Operational
461 461 Sparton XBT-7 6.472 -2.16 Operational
462 462 Sparton XBT-7 6.705 -2.28 Operational
471 471 Sparton XBT-7DB 6.472 -2.16 Operational
481 481 Sparton XBT-10 6.301 -2.16 Operational
491 491 Sparton XBT-20 6.472 -2.16 Operational
501 501 Sparton XBT-20DB 6.472 -2.16 Operational
510 510 Sparton 536 AXBT 1.524 0 Operational
700 700 Sippican XCTD Standard Operational
710 710 Sippican XCTD Deep Operational
720 720 Sippican AXCTD Operational
730 730 Sippican SXCTD Operational
741 741 TSK XCTD/XCTD-1 3.42543 -0.47 Operational
742 742 TSK XCTD-2 3.43898 -0.31 Operational
743 743 TSK XCTD-2F 3.43898 -0.31 Operational
744 744 TSK XCTD-3 5.07598 -0.72 Operational
745 745 TSK XCTD-4 3.68081 -0.47 Operational
751 751 TSK AXCTD Operational
780 780 Sea-Bird SBE21 SEACAT Thermosalinograph Not applicable Not applicable Operational
781 781 Sea-Bird SBE45 MicroTSG Thermosalinograph Not applicable Not applicable Operational
800 800 Mechanical BT Not applicable Not applicable Operational
810 810 Hydrocast Not applicable Not applicable Operational
820 820 Thermistor chain Not applicable Not applicable Operational
825 825 Temperature (sonic) and pressure probes Not applicable Not applicable Operational
830 830 CTD Not applicable Not applicable Operational
831 831 CTD-P-ALACE float Not applicable Not applicable Operational
837 837 ARVOR_C SBE conductivity sensor
838 838 ARVOR_D SBE conductivity sensor
839 839 PROVOR?II SBE conductivity sensor
840 840 PROVOR no conductivity sensor Not applicable Not applicable
841 841 PROVOR Sea-Bird conductivity sensor Not applicable Not applicable
842 842 PROVOR FSI conductivity sensor Not applicable Not applicable
843 843 Polar Ocean Profiling System (POPS) PROVOR SBE CTD
844 844 Profiling float ARVOR Sea-Bird conductivity sensor
845 845 Webb Research no conductivity sensor Not applicable Not applicable
846 846 Webb Research Sea-Bird conductivity sensor Not applicable Not applicable
847 847 Webb Research FSI conductivity sensor Not applicable Not applicable
848 848 APEX?EM SBE conductivity sensor
849 849 APEX_D SBE conductivity sensor
850 850 SOLO no conductivity sensor Not applicable Not applicable
851 851 SOLO Sea-Bird conductivity sensor Not applicable Not applicable
852 852 SOLO FSI conductivity sensor Not applicable Not applicable
853 853 Profiling float SOLO2 (SCRIPPS) Sea-Bird conductivity sensor
854 854 S2A SBE conductivity sensor
855 855 Profiling float NINJA no conductivity sensor Not applicable
856 856 Profiling float NINJA SBE conductivity sensor Not applicable
857 857 Profiling float NINJA FSI conductivity sensor Not applicable
858 858 Profiling float NINJA TSK conductivity sensor Not applicable
859 859 Profiling float NEMO no conductivity Not applicable
860 860 Profiling float NEMO SBE conductivity sensor Not applicable
861 861 Profiling Float NEMO FSI conductivity sensor Not applicable
862 862 SOLO_D SBE conductivity sensor
863 863 NAVIS?A SBE conductivity sensor
864 864 NINJA_D SBE conductivity sensor
865 865 NOVA SBE conductivity sensor
866-899 862-899 Reserved Operational
900 900 Sippican LMP-5 XBT 9.727 -0.0000473 Operational
901 901 Ice-tethered Profiler (ITP) SBE CTD
902-994 902-994 Reserved Operational
995 995 Instrument attached to marine mammals Not applicable Not applicable Operational
996 996 Instrument attached to animals other than marine mammals Not applicable Not applicable Operational
997-999 997-999 Reserved Operational
1000-1022 Reserved Operational
1023 Missing value Operational

Notes:
(1) The depth is calculated from coefficients a and b and the time, t,
as follows:
z = at + 10-3bt2
(2) All unassigned numbers are reserved for future use.
(3) The values of a and b are supplied for information only.

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