Software for ISIS-1 and ISIS-2 Topside Sounder Data

This directory contains software related to the ISIS topside sounder data: 

Jan 16, 2003 - New version of interactive_tracing_inversion program included

/orbit_worldmap_program
	Program to generate orbit parameters
/ionogram_inversion_jackson
	John Jackson's program to invert an ionogram trace into an electron 
	density profile.
/interactive_tracing_inversion
	An interactive widget-based program to trace and invert an ionogram; 
	requires IDL and X terminal (X-windows, MACX, Sun).

The homepage for the ISIS sounder data restoration project is at 
http://spdf.gsfc.nasa.gov/isis/isis-status.html.

Please acknowledge the NASA Space Physics Data Facility and the instrument's Principal
Investigator for data usage.

Keywords: ionosphere, topside, sounder, ionogram

Data contact: Dieter.Bilitza-1@nasa.gov>
NASA Official: Dr. Robert McGuire <robert.e.mcguire@nasa.gov>