NAME:
  occsnrtab
 PURPOSE:   (one line only)
  Create occultation SNR tables for various systems
 DESCRIPTION:
 CATEGORY:
  Occultations
 CALLING SEQUENCE:
  occsnrtab,set
 INPUTS:
  set - Occultation set(s)
 OPTIONAL INPUT PARAMETERS:
 KEYWORD INPUT PARAMETERS:
 OUTPUTS:
  For each set in the input list and system and region in the set.ini,
  a file called [set].[region].[system].tab is created, to summarize the SNR
  predicted for all occultations in that set observed by that system.
 KEYWORD OUTPUT PARAMETERS:
 CONFIGURATION:
 COMMON BLOCKS:
 SIDE EFFECTS:
 RESTRICTIONS:
 PROCEDURE:
 MODIFICATION HISTORY:
  Written by Brian Keeney, Southwest Research Institute, 2022/02/24
  2023/07/31, MWB, added support for P objects