The communications system degradation cited includes single channel, and frequency and time multiplexed units operated by the military test ranges, the State of California, local county and municipal governments, and resource control and service industries. This section relates the previously discussed performance degradation to operational compromises of the military instrumentation and systems employed in operational testing at China Lake, George Air Force Base, Edwards Air Force Base, and the Echo Range; and the command/control and other communications facilities associated with the resource management operations by utilities and municipal/county governments. The operational relationships must be discussed so as to demonstrate the effects upon national resources and major economic areas of the SPS-induced performance degradation, and the specific effects upon the major military operations in the Majove area because of the large power density illumination by the SPS source. These operational compromises and the specific areas of functional degradation will be expanded to provide the basis for subsequent recommendations in equipment and system operations to assure an acceptable level of performance when illuminated by this high power source. For this Mojave site and others having a similar operational military/ civil system ratio, modification recommendations will emphasize the civilian area. Support equipment (e.g., radar, telemetry, television, etc.) can be modified for operation within a range of 40-50 km from the rectenna site, assuming no media-induced instabilities in the SPS array control. Military operational EM systems cannot be modified because of the unacceptable probability of operational compromise; system performance or procedures in the test and evaluation exercises would have either little or a deceptive relation to combat operations. 4.1.6.1 Range Instrumentation This equipment category includes the numerous types of radar and associated TV camera equipment employed for spatial position and orientation tracking at China Lake, Edwards AFB, and ECHO Range. The radar systems provide the basic tracking of airborne vehicles operating to test equipment effectiveness; including interaction in simulated engagement with surface defense units. The ones identified in the previous section include units that
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