The world's first <a href="https://en.wikipedia.org/wiki/Global_Positioning_System" id="mwATQ" rel="mw:WikiLink" title="Global Positioning System">Global Positioning System</a> (GPS) signal was transmitted from Navigation Technology Satellite 2 (NTS-2) and received at <a href="https://en.wikipedia.org/wiki/Rockwell_Collins" id="mwATU" rel="mw:WikiLink" title="Rockwell Collins">Rockwell Collins</a> in <a href="https://en.wikipedia.org/wiki/Cedar_Rapids,_Iowa" id="mwATY" rel="mw:WikiLink" title="Cedar Rapids, Iowa">Cedar Rapids, Iowa</a>, at 12:41<span id="mwATc" typeof="mw:Entity"> </span>a.m. Eastern time (ET).<sup about="#mwt51" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-8"}}' id="cite_ref-8" rel="dc:references" typeof="mw:Extension/ref"><a href="./July_19#cite_note-8" id="mwATg" style="counter-reset: mw-Ref 8;"><span class="mw-reflink-text" id="mwATk">[8]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-8"><a class="external text" href="http://www.rockwellcollins.com/Data/News/2017-Cal-Yr/GS/20170719-GPS-40-Anniversary.aspx" id="mwBvg" rel="mw:ExtLink nofollow">Rockwell Collins celebrates 40 years since receiving the world’s first GPS satellite signal</a></span>