Abstract
The replacement of OMEGA station G from Trinidad to Australia has recently caused some problems for balloon navigation in the United States. We report on recent experience with OMEGA during a balloon flight of the hard X-ray astronomy payload HEXE 1) 1) This High Energy X-ray Experiment is operated jointly by the Max-Planck-Institut für Extraterrestrische Physik (MPE) in Garching and the Astronomisches Institut Tübingen (AIT) from Palestine, Texas on September 28/29, 1981. In this flight three different OMEGA receivers were used. In view of the degraded receiving conditions for OMEGA we have developed a simple slant range system which may easily be adapted to other standard PCM systems. We show that a combination of range, azimuth and one OMEGA line of position (e.g. C-D) provides reasonably accurate balloon positions.
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