Communications propagation experiments.

Typical orbit: 981 km x 1044 km at 100 degrees inclination. Mass: 73 kg (160 lb). Associated Launch Vehicle: Scout B.

• 1976 May 22 - P 76-5 - Launch Site: Vandenberg. Launch Vehicle: Scout B. Mass: 73 kg (160 lb). Perigee: 981 km (609 mi). Apogee: 1,044 km (648 mi). Inclination: 99.60 deg. Period: 105.40 min.

  Communications propagation experiments.

• USAF Satellite Database, USAF Institute of Technology, 1995. Accessed at: ftp://archive.afit.af.mil/pub/space/.

• McDowell, Jonathan, Jonathan's Space Home Page, Harvard University, 1997-present. Jonathan McDowell's complete on-line listing of all objects orbited and over 20,000 rocket launches Accessed at: http://www.planet4589.org/jsr.html.

• Krebs, Gunter, Gunter's Space Page, University of Frankfurt, 1996. Accessed at: http://www.skyrocket.de/space.

• JPL Mission and Spacecraft Library, Jet Propulsion Laboratory, 1997. Accessed at: http://msl.jpl.nasa.gov/home.html.

• McDowell, Jonathan, Launch Log, October 1998. Jonathan McDowell's complete on-line listing of all objects orbited since Sputnik. Accessed at: http://hea-www.harvard.edu/~jcm/space/log/launch.html.