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in the 1970s The satellites continuously transmit accurate time and position loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer2022051809601324d91acfb87da3570310html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=-the-global-positioning-system-gps-is-a-network-of-satellites-launched-by-thehtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: The Global Positioning System GPS is a network Of satellites launched by the U S military beginning in the 1970s The satellites continuously transmit accurate time and position loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer2022051809601324d91acfb87da3570310html5thumbnails3jpg width=140 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military beginning in the 1970s The satellites continuously transmit accurate time and position loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer2022051809601324d91acfb87da3570310html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=-the-global-positioning-system-gps-is-a-network-of-satellites-launched-by-thehtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: The Global Positioning System GPS is a network Of satellites launched by the U S military beginning in the 1970s The satellites continuously transmit accurate time and position loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC 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military beginning in the 1970s The satellites continuously transmit accurate time and position loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer2022051809601324d91acfb87da3570310html5thumbnails18jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=19Page 19button div class=ts-imageimg data-url=-the-global-positioning-system-gps-is-a-network-of-satellites-launched-by-thehtmlpage=19 data-page=19 class=ts-thumb lazyload alt=Page 19: The Global Positioning System GPS is a network Of satellites launched by the U S military beginning in the 1970s The satellites continuously transmit accurate time and position loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC 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