<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="Generator" content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:windowtext;}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style></head><body lang="EN-US" link="#0563C1" vlink="#954F72"><div class="WordSection1"><p class="MsoNormal"><span style="color:#1f497d">My head hurts trying to read the Mic-E spec as written.</span></p><p class="MsoNormal"><span style="color:#1f497d">Also, I screwed up MPH and KTS in last email…</span></p><p class="MsoNormal"><span style="color:#1f497d">So here is what I am suggesting for the CSE/SPD field:</span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><p class="MsoNormal"><span style="color:#1f497d">999 = 15,200 knots space station</span></p><p class="MsoNormal"><span style="color:#1f497d">998 = 1600 knots military mach 2.8</span></p><p class="MsoNormal"><span style="color:#1f497d">997 = 1200 knots Concorde</span></p><p class="MsoNormal"><span style="color:#1f497d">996 = 996 knots normal speeds down to 0</span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><p class="MsoNormal"><span style="color:#1f497d">So using this same idea for Mic-E would result in</span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><p class="MsoNormal"><span style="color:#1f497d">789 = 15,200 knots space station</span></p><p class="MsoNormal"><span style="color:#1f497d">788 = 1600 knots military mach 2.8</span></p><p class="MsoNormal"><span style="color:#1f497d">787 = 1200 knots Concorde</span></p><p class="MsoNormal"><span style="color:#1f497d">786 = 996 knots for consistency with above</span></p><p class="MsoNormal"><span style="color:#1f497d">785 = 785 knots normal speeds down to 0 </span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><p class="MsoNormal"><span style="color:#1f497d">Any objections? About the only one we will ever use is the orbital velocity for the space station and for satellites, but I thought we may as well include a few more.</span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><p class="MsoNormal"><span style="color:#1f497d">Bob, WB4APR</span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><div><div style="border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b>From:</b> Robert Bruninga [mailto:<a href="mailto:bruninga@usna.edu">bruninga@usna.edu</a>] <br><b>Sent:</b> Wednesday, October 11, 2017 8:48 AM<br><b>To:</b> TAPR APRS Mailing List<br><b>Cc:</b> Robert Bruninga<br><b>Subject:</b> APRS Speed Spec?</p></div></div><p class="MsoNormal"> </p><p class="MsoNormal">Authors,</p><p class="MsoNormal">I thought that I had years ago declared that a speed of 999 would mean Orbital Velocity 17,500 MPH and that 998 would mean something else for high speed jets. Maybe mach 3?</p><p class="MsoNormal"> </p><p class="MsoNormal">Actually I may have defined three speeds greater than 999 for the last three enetries.</p><p class="MsoNormal"> </p><p class="MsoNormal">Clearly we need orbital velocity for the Space station, etc…</p><p class="MsoNormal">And Mach 3 for our fighter pilots…</p><p class="MsoNormal">And something for the Concord (or its replacement)…</p><p class="MsoNormal">What about Elon Musk’s hypter tube? But I think it is under 999…</p><p class="MsoNormal"> </p><p class="MsoNormal">Anyway, is this written down anywhere?</p><p class="MsoNormal"> </p><p class="MsoNormal">And if not, then here is what I propose:</p><p class="MsoNormal">999 = 17500 MPH space station</p><p class="MsoNormal">998 = 1850 MPH military</p><p class="MsoNormal">997 = 1350 MPH concord</p><p class="MsoNormal">996 = 996 MPH</p></div></body></html>