The Apollo Flight Plan has distinctive patterns of markings (variously solid, broken, etc,) as well as other indicators (circular markings and the lines with labels such as CRO, MSFN, etc.).
What do these markings mean?
Space Exploration Stack Exchange is a question and answer site for spacecraft operators, scientists, engineers, and enthusiasts. It only takes a minute to sign up.Sign up to join this community
This copy of the flight plan has a cool decoder of all the symbology on page ix. The pages immediately before this image have all the acronyms.