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Precise Time and Time Interval
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<p>Precise Time and Time Interval (PTTI) is a <a href="/facts/United_States_Department_of_Defense/dWAvf7e3">Department of Defense</a> <a href="/facts/United_States_Armed_Forces/NHVsU9Id">military</a> and <a href="/facts/Global_Positioning_System/DKVLnzF3">Global Positioning System</a> <a href="/facts/Technical_standard/P4orT1SM">standard</a> which details a mechanism and <a href="/facts/Waveform/yAskMREw">waveform</a> for distributing highly <a href="/facts/Accurate/JQ47xXDq">accurate</a> timing <a href="/facts/Information/3LdrzXtJ">information</a>. </p><p>It is similar to <a href="/facts/Pulse_per_second/l2zkFlqb">pulse per second</a> (PPS) because it indicates the start of each <a href="/facts/Second/jtFxnJXx">second</a> using a <a href="/facts/Pulse_(signal_processing)/2v5sWtyB">pulse</a>. PTTI also provides the full Time Of Day (TOD) in <a href="/facts/Hour/rBje78F6">hours</a>, <a href="/facts/Minute/WTRsLrWy">minutes</a>, and <a href="/facts/Second/jtFxnJXx">seconds</a>. </p>