|
 | 24-81 | 3533 | CX1937AX | 29-JAN-2021 | 16-MAR-2021 | 6906.8 | 7438.5 | 531.7 | From 20-8 with 9504 hours on it. | Other (see notes) | Will not fire | 6.3 | 5.82 | 149754 |
| | 24-81 | 3405 | CX1937AX | 21-JUL-2018 | 29-JAN-2021 | 5251 | 6886.3 | 1635.3 | From spares cage. | Tube Swap | Swap thyratron into station: 20-8 | 5.85 | 5.8 | 148744 |
| | 24-81 | 3289 | CX1937AX | 09-MAY-2018 | 21-JUL-2018 | 5087 | 5261.3 | 174.3 | | Tube Swap | Swap thyratron into station: 20-7 | 5.82 | 5.85 | 138953 |
| | 24-81 | 22 | TG12-10K/50 | 09-MAR-2018 | 09-MAY-2018 | 4145 | 5087 | 923 | Reservoir fixed at 5.82V | Unstable performance | | 5.82 | 7.3 | 138512 |
| | 24-81 | 3121 | CX1937AX | 29-SEP-2017 | 13-MAR-2018 | 880 | 4145 | 3265 | From 20-8. | Other (see notes) | Station is test unit. | 6.3 | 5.82 | 138512 |
| | 24-81 | 3285 | CX1937AX | 12-NOV-2016 | 29-SEP-2017 | 30048 | 32550.1 | 2502.1 | | Tube Swap | Swap thyratron into station: 20-8 | 5.8 | 6.3 | 136243 |
| | 24-81 | 3288 | CX1937AX | 08-JUN-2016 | 12-NOV-2016 | 28043 | 29967 | 1924 | | Tube Swap | Swap thyratron into station: 21-1 | 5.8 | 5.8 | 133653 |
| | 24-81 | 3122 | CX1937AX | 12-NOV-2016 | 12-NOV-2016 | 29967 | 30048 | 81 | From 21-1 tube swap. | Other (see notes) | Quit firing. came from 21-1 with 9038 hours. | 5.8 | 5.8 | 133653 |
| | 24-81 | E2V-3122 | CX1937AX | 17-JUL-2015 | 08-JUN-2016 | 23005 | 28043 | 5038 | Vres not adjusted on this thyratron. Resistance change controls pressure. | Unstable performance | | 5.8 | 5.85 | 131685 |
| | 24-81 | 100158 | L4888 | 06-OCT-2011 | 16-JUN-2015 | 6619 | 23005 | 16386 | | Tube Swap | Removed for E2V testing. To be installed in 22-5 due to low inventory. | | 6.15 | 123786 |
| | 24-81 | 377 | F310 | 09-MAR-1998 | 30-JAN-2009 | | | 23184 | | | | | | |
| | 24-81 | 1190 | CX1836A | 24-FEB-1993 | 06-MAR-1998 | | | 16393 | | | | | | |