1.1 Cause and Effect Relationship for Microwave Effect on Health and Ecosystems.................................. 6 1A.1 Microwave Health and Ecological Effects Program Plan.............22 2.1 Cause and Effect Relationships for SPS Terrestrial Operations................................................ 28 2.2 Variation of Overall Sound Pressure Level with Distance from Launch Site..........................................43 2A.1 Schedule of Research Tasks for Nonmicrowave Health and Safety Effects............................................ 66 3.1 Regions of the Atmosphere.......................................69 3.2 Summary of Some Potential Atmospheric Effects Caused by Rocket Exhaust .................................. ..... 70 3.3 Cause and Effect Relationships Due to the Impact of SPS on the Atmosphere ........................................ 74 3.4 Geometry of the Skylab Launch and Ray Paths to ATS-3 and ATS-5 from Several Sites in North America............ 76 3.5 Total Electron Content Data Obtained from the Sagamore Hill Radio Observatory in Hamilton, Mass., Looking Towards the Geostationary Satellite ATS-3 on 14 May 1973.......................................................... 77 3.6 Schematic Diagram of Global Atmospheric Circuit that Indicates Possible Mechanisms for Ionizing Radiation to Influence Thunderstorm Activity........................ 80 3.7 Pictorial Representation of the Plasmasphere, Magnetosphere, and Principal Electric Current Systems............ 82 4.1 SPS Radio Frequency and Electromagnetic Interference............123 4.2 Effects of the SPS MPTS on Electromagnetically Sensitive Systems........................................... 125 4.3 General Spectrum Assignment Densities ........................ 132 4.4 Spectral Distribution for a Chirp Modulated Carrier ........... 134 4.5 Interferer Degradation Exemplary Trends ....................... 134 4.6 Critical Mojave Rectenna Site ................................ 135 4.7 SPS Transmitting Antenna Pattern................................ 136 4.8 Ionospheric Charge Density Distributions........................ 149 4.9 Effect of the SPS MPTS on Ionosphere and its Consequences ............................................... 153 4.10 Results of July 12, 1978, Ionospheric Heating Experiment at Arecibo Observatory................................... 158 4A.1 Electromagnetic Compatibility Evaluation Tasks - Phase I. . . . 165 4A.2 Electromagnetic Compatibility Evaluation Tasks - Phase II . . . 166
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