| Code | Instrument | equation coefficients a | equation coefficients b | 
|---|---|---|---|
| 001 | Sippican T-4 | 6.472 | -2.16 | 
| 002 | Sippican T-4 | 6.691 | -2.25 | 
| 011 | Sippican T-5 | 6.828 | -1.82 | 
| 021 | Sippican Fast Deep | 6.346 | -1.82 | 
| 031 | Sippican T-6 | 6.472 | -2.16 | 
| 032 | Sippican T-6 | 6.691 | -2.25 | 
| 041 | Sippican T-7 | 6.472 | -2.16 | 
| 042 | Sippican T-7 | 6.691 | -2.25 | 
| 051 | Sippican Deep Blue | 6.472 | -2.16 | 
| 052 | Sippican Deep Blue | 6.691 | -2.25 | 
| 061 | Sippican T-10 | 6.301 | -2.16 | 
| 071 | Sippican T-11 | 1.779 | -0.255 | 
| 201 | TSK T-4 | 6.472 | -2.16 | 
| 202 | TSK T-4 | 6.691 | -2.25 | 
| 211 | TSK T-6 | 6.472 | -2.16 | 
| 212 | TSK T-6 | 6.691 | -2.25 | 
| 221 | TSK T-7 | 6.472 | -2.16 | 
| 222 | TSK T-7 | 6.691 | -2.25 | 
| 251 | TSK Deep Blue | 6.472 | -2.16 | 
| 252 | TSK Deep Blue | 6.691 | -2.25 | 
| 261 | TSK AXBT | ||
| 401 | Sparton XBT-1 | 6.301 | -2.16 | 
| 411 | Sparton XBT-3 | 5.861 | -0.0904 | 
| 421 | Sparton XBT-4 | 6.472 | -2.16 | 
| 431 | Sparton XBT-5 | 6.828 | -1.82 | 
| 441 | Sparton XBT-5DB | 6.828 | -1.82 | 
| 451 | Sparton XBT-6 | 6.472 | -2.16 | 
| 461 | Sparton XBT-7 | 6.472 | -2.16 | 
| 471 | Sparton XBT-7DB | 6.472 | -2.16 | 
| 481 | Sparton XBT-10 | 6.301 | -2.16 | 
| 491 | Sparton XBT-20 | 6.472 | -2.16 | 
| 501 | Sparton XBT-20DB | 6.472 | -2.16 | 
| 741 | TSK XCTD | ||
| 751 | TSK AXCTD | ||
| 800 | Mechanical BT | ||
| 810 | Hydrocast | ||
| 820 | Thermistor Chain | ||
| 830 | CTD | 
| Code | Recorder | 
|---|---|
| 01 | Sippican Strip Chart Recorder | 
| 02 | Sippican MK2A/SSQ-61 | 
| 03 | Sippican MK-9 | 
| 04 | Sippican AN/BHQ-7/MK8 | 
| 05 | Sippican MK-12 | 
| 10 | Sparton SOC BT/SV Processor Model 100 | 
| 20 | Argos XBT-ST | 
| 21 | CLS-ARGOS/Protecno XBT-ST model 1 | 
| 22 | CLS-ARGOS/Protecno XBT-ST model 2 | 
| 30 | BATHY Systems SA-810 | 
| 31 | Scripps Metrobyte controller | 
| 32 | Murayama Denki Z-60-16 III | 
| 33 | Murayama Denki Z-60-16 II | 
| 34 | Protecno ETSM2 | 
| 35 | Nautilus Marine Service NMS-XBT | 
| 40 | TSK MK-2A | 
| 41 | TSK MK-2S | 
| 42 | TSK MK-30 | 
| 43 | TSK MK-30N | 
| 45 | TSK MK-100 | 
| 48 | AXBT RECEIVER MK-300 | 
| 50 | JMA ASTOS | 
| 99 | Unknown |