NAME:
  initsnrmod
 PURPOSE:   (one line only)
  Initialize the support information for a SNR model for a given system
 DESCRIPTION:
  Information from snr.ini is read from your IDL path (usually in
   support_files from this library).  The information from that file that
   matches the input camera name is parsed and returned as an anonymous
   structure.  This is used by snrpred.pro.
 CATEGORY:
  Miscellaneous
 CALLING SEQUENCE:
  initsnrmod,system,info
 INPUTS:
  system - string with the name of a camera/system to retrieve
 OPTIONAL INPUT PARAMETERS:
 KEYWORD INPUT PARAMETERS:
 OUTPUTS:
  info - anonymous structure with the information about the camera/system
 KEYWORD OUTPUT PARAMETERS:
 CONFIGURATION:
 COMMON BLOCKS:
 SIDE EFFECTS:
 RESTRICTIONS:
 PROCEDURE:
 MODIFICATION HISTORY:
  Written by Marc W. Buie, Southwest Research Institute, 2024/11/14