TPO Alphanumeric Assignments (Old)
| Letter | Time | Color | Letter | Time | Color | |
| A | 09:00 | Yellow | a | 20:00 | Yellow | |
| B | 09:30 | Dark Blue | b | 20:30 | Dark Blue | |
| C | 10:00 | Pink | c | 21:00 | Pink | |
| D | 10:30 | Green | d | 21:30 | Green | |
| E | 11:00 | Orange | e | 22:00 | Orange | |
| F | 11:30 | Light Blue | f | 22:30 | Light Blue | |
| G | 12:00 | Dark Purple | g | 23:00 | Dark Purple | |
| H | 12:30 | White | h | 23:30 | White | |
| I | 13:00 | Red | i | 24:00 | Red | |
| J | 13:30 | Light Gray | j | 24:30 | Light Gray | |
| K | 14:00 | Light Purple | k | 01:00 | Light Purple | |
| L | 14:30 | Yellow | l | 01:30 | Yellow | |
| M | 15:00 | Dark Blue | m | 02:00 | Dark Blue | |
| N | 15:30 | Pink | n | 02:30 | Pink | |
| O | 16:00 | Green | o | 03:00 | Green | |
| P | 16:30 | Orange | p | 03:30 | Orange | |
| Q | 17:00 | Light Blue | q | 04:00 | Light Blue | |
| R | 17:30 | Purple | r | 04:30 | Dark Purple | |
| S | NA | s | 05:00 | White | ||
| T | NA | t | 05:30 | Red | ||
| U | NA | u | 06:00 | Light Gray | ||
| V | NA | v | 06:30 | Light Purple | ||
| W | 18:00 | White | w | 07:00 | Yellow | |
| X | 18:30 | Red | x | 07:30 | Dark Blue | |
| Y | 19:00 | Light Gray | y | 08:00 | Pink | |
| Z | 19:30 | Purple | z | 08:30 | Green |