| Tool | Description |
|
OBDT
| Pad 1 Azimuth in Horizontal Plane (0 = True North), memorized to OBDT |
|
OBDTA
| Pad 1 Azimuth in Horizontal Plane (0 = True North), memorized to OBDT |
|
OBDTAB
| Pad 1 Azimuth in Horizontal Plane (0 = True North), memorized to OBDT |
|
OBDTB
| Pad 1 Azimuth in Horizontal Plane (0 = True North), memorized to OBDT |