Publisher's Synopsis
The 1989 solar cell calibration balloon flight was successfully completed on August 9, 1989, meeting all objectives of the program. Forty-two modules were carried to an altitude of 118,000 ft (36.0 km). The calibrated cells can now be used as reference standards in simulator testing of cells and arrays. Anspaugh, B. E. and Weiss, R. S. Jet Propulsion Laboratory ...