Test Results of the Advanced Translator Processing System

Alison Brown, William Sward, Robert Pickett, Robert Greenberg, Phillip Wildhagen

Abstract:	The Advanced Translator Processing System (ATPS) was developed under a Small Business Innovative Research Award to provide a low cost alternative to tracking translated GPS signals. It is backwards compatible with the existing Ballistic Missile Translators (BMT) currently being used on the ERIS test program. NAVSYS also developed a BMT compatible Translator which was tested under this program. A key element of the ATPS is the Preamplifier/ Downconverter (P/DC) module which was developed by NAVSYS to condition the received Translator signal so that it can be tracked by a conventional C/A code receiver. The P/DC is controlled using a high speed Digital Signal Processing card installed in an IBM PC which also provides the operator interface and performs data collection and analysis. An XR3-P C/A code receiver is currently being used to track the Translated GPS signals. However, the ATPS design is compatible with a variety of alternative GPS receivers. The ATPS and NAVSYS Translator were tested against the RklPO Ballistic Missile and Translator Processing System specifications. This paper includes the test results which demonstrate the performance of the Translator and ATPS under different operating conditions.
Published in:	Proceedings of the 4th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1991) September 11 - 13, 1991 Albuquerque, NM
Pages:	573 - 592
Cite this article:	Brown, Alison, Sward, William, Pickett, Robert, Greenberg, Robert, Wildhagen, Phillip, "Test Results of the Advanced Translator Processing System," Proceedings of the 4th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1991), Albuquerque, NM, September 1991, pp. 573-592.
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