A similar problem exists on the west coast of the continental U.S. The sea depths there increase at the lower latitudes making rectenna placement difficult. However, 10 sites are identified north of the 38° latitude axis (which is just north of San Francisco) with a maximum depth coverage of 400 ft. Only 3 sites could be identified south of this line with a maximum depth coverage of 550 ft. These sites account for 13 of the 20 sites desired in the western states. The remaining 7 sites are located in the western Gulf of Mexico with a maximum depth coverage of 125 ft. Figures 39, 40, and 41 show sea rectenna locations in the Pacific Ocean and Figures 29 and 30 show Gulf of Mexico locations. As stated earlier, 31 additional sites are desired east of 92°W longitude and 15 of these should be in the northeast quadrant. It is believed that of these at least 8 should be located in the Great Lakes for access by the heavily populated East North Central states. However, limited resources require that the identification of Great Lakes sites be postponed until the next phase of this study. To compensate for the possibility that no sites can be identified in the Great Lakes, locations for all 31 eastern sites have been identified in the Atlantic and eastern Gulf of Mexico. This is possible partly because the coastal depths of the Atlantic are considerably less severe than in the Pacific. However, ocean depths increase at higher latitudes and the 6 rectenna sites identified off the coasts of Massachusetts and Maine cover depths to 300 ft. The maximum depth of the 6 sites from New York through Maryland is 130 ft, and the maximum depth of the 11 sites from Virginia through Georgia is only 100 ft. No rectennas are located on the Atlantic coast of Florida to avoid impact on the rectennas by the space program launch activity from Cape Canaveral required to support the SPS program. But, even without this consideration, the Florida rectennas would be placed in the Gulf because it offers a calmer environment for rectenna placement. Therefore, 9 rectennas are located in the eastern Gulf (east of 92°W) with a maximum depth coverage of 138 ft. Figures 4, 7, 19, 20, 21, 22, 50, 51, 52, and 53 show rectenna locations in the Atlantic Ocean and Figures 23, 26, and 30 show rectenna locations in the eastern Gulf of Mexico. More specific descriptions of rectenna sites off the coast of each state can be found in the appendix in Tables A-4 through A-7. These tables give the sea site location number, coordinates in longitude and latitude, and ocean floor depth ranges. An overall view of sea sites can also be found in Figure 42, and regional statistics on these sites can be found in Table 1.
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