<div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="color:black;font:10pt arial"><div style="font-family:arial,helvetica;font-size:10pt;color:black"><div id="gmail-m_-1595926691965937515yiv0971937021"><div dir="ltr"><div><span style="font-style:italic;font-weight:bold;font-size:10pt">The Navy Tactical Data System (NTDS) was a pioneering unconnected data sharing system. I believe Bob Bruninga was involved. My suspicion is that NTDS was the germ for the idea of APRS. (Bob?).</span><br></div>
<div><span style="font-style:italic;font-weight:bold"><br clear="none"></span></div></div></div></div></div></blockquote><div>Yes! But specifically, the LINK-16 HF channel for exchanging that NTDS data was my first decode of positis. It was standard 5 bit Baudot and so I wrote a basic routine in an APPLE-II to plot them.</div><div>But never showed it to anyone but my boss since the data and symbols were classified (I think). Besides who else was there to play with. Hence I moved to Ham radio!</div><div>Bob </div></div></div>