SPS Effects on Optical and Radio Astronomy

REPORT OF THE RADIO ASTRONOMY WORKING GROUP The radio working group met to discuss issues raised by the briefing material and the invited presentations. After initial discussions, topics were assigned to individual members who then wrote short statements specific to each topic, and an overall summary statement. These statements assume the availability of the tutorial material in CCIR Report 224-4 (in Appendix A) as background for persons not so familiar with the nature of radio astronomy observations. The working group then reconvened, and each of the individual statements was discussed, modified, and then adopted by the entire group. Taken together, these statements constitute the working group report. Members of the radio astronomy working group were: B. Burke K. Davis M. Davis N. De Groot P. Ekstrom, Chairman W. Erickson J. Hagen W. Howard H. Hvatum A. Moffet G. Swenson A. Thompson SUMMARY STATEMENT The Satellite Power System (SPS) has a number of potentially damaging consequences for radio astronomy and for space research that have been examined in detail in the following sections. For example, careful studies of radio radiation from the universe, involving long work efforts by large research teams, can be rendered misleading or useless by radio interference. Space communication signals, contaminated by man-made interference, can lose unique data or give false information to the controllers on the ground; incorrect

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