Updating Positions and/or Observations to a Specified Date

Select how you wish to specify positions:

• Update positions for individual points entered interactively.
• Update positions for blue book stations. [Explain]
• Update values for blue book observations. [Explain]
• Update both the positions for blue book stations and the values for blue book observations. [Explain]
• Update positions for multiple points contained in a file in Lat-Lon-Ht format. [Explain]