| Vertical Stability Codes | \n' + '|||
| A | Most reliable | \n' + 'C | May hold | \n' + '
| B | Probably hold | \n' + 'D | Unknown | \n' + '
| Condition Codes | \n' + '|||
| G | Recovered in good condition | \n' + '||
| N | Not recovered, not found | \n' + '||
| O | Other (see datasheet for details) | \n' + '||
| P | Poor, disturbed, mutilated | \n' + '||
| S | Original setting | \n' + '||
| X | Surface mark reported destroyed | \n' + '||
| Y | Underground mark destroyed | \n' + '||
| Z | Presumed destroyed | \n' + '||