Contents

• Introduction
• The SPA Program
  • Storage of Data
    • The S File
    • External Media
  • Command Line
    • Arguments
    • Results
    • Functions
    • Punctuation
  • Making Hardcopies
  • More Examples
    • Read data from tape and perform basic reduction
    • Average a group of scans
    • Average 3 maps
    • Plot a Group of Scans
• Auxillary Programs
  • The SPI Program
  • DAR
  • SPAWFITS
• Advanced Topics
  • Scan Structure
  • S File
    • Description of Control Block Variables
    • Modifying Control Block Variables
    • Adding New Functions
• UNIX SPA
  • Installation
  • Running SPA Under UNIX
• VAX/VMS SPA
• MSDOS SPA
• SPA Headers
• SPA Functions
• About this document ...