<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="Generator" content="Microsoft Exchange Server">
<!-- converted from rtf -->
<style><!-- .EmailQuote { margin-left: 1pt; padding-left: 4pt; border-left: #800000 2px solid; } --></style>
</head>
<body>
<font face="Calibri" size="2"><span style="font-size:11pt;">
<div style="margin-bottom:8pt;"><b><i>Meeting date changed due to scheduling conflict</i></b></div>
<div style="margin-bottom:8pt;">Please note for this meeting we will be using webex audio. You will have the option to dial-in or connect via your computer upon launching webex. Agenda listed below. </div>
<div style="margin-bottom:8pt;"><b>AGENDA: SLS-OPT August 2</b><b>3</b><b>, 2023</b></div>
<ul style="margin:0;padding-left:54pt;">
<li style="margin-top:5pt;margin-bottom:5pt;">SLS-OPT Chair Transition (B. Edwards)</li></ul>
<ul style="margin:0;padding-left:90pt;">
<li style="margin-top:5pt;margin-bottom:5pt;">Recommendation from the working group for a new chair has to be sent to SLS Area Director</li></ul>
<ul style="margin:0;padding-left:54pt;">
<li style="margin-top:5pt;margin-bottom:5pt;">Review of updated agency Coherent Blue Book proposal summary (B. Robinson)</li><li style="margin-top:5pt;margin-bottom:5pt;">O3K Ranging prototype discussion </li><li style="margin-top:5pt;margin-bottom:5pt;">O3K Pink Sheet status</li><li style="margin-top:5pt;margin-bottom:5pt;">Reed Solomon Orange Book status</li><li style="margin-top:5pt;margin-bottom:5pt;">SLS-OPT November face-to-face meeting dates - discussion</li><li style="margin-top:5pt;margin-bottom:5pt;">Action Item Status</li></ul>
<div style="margin-bottom:8pt;">Next meetings scheduled: </div>
<ul style="margin:0;padding-left:54pt;">
<li>September 12</li><li>October 17</li></ul>
<div style="padding-left:54pt;"> </div>
<div style="margin-bottom:8pt;"><b><u>Webex info:</u></b></div>
<div style="margin-bottom:8pt;"> </div>
<table width="559" style="width:335.75pt;margin-left:3.9pt;">
<col width="559" style="width:335.75pt;">
<tr>
<td style="margin-top:5pt;margin-bottom:5pt;"><font face="Arial" size="3"><span style="font-size:12pt;"><b>Kimberly Cashin changed the Webex meeting information. </b></span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="9" style="width:5.95pt;margin-left:3.9pt;">
<col width="9" style="width:5.95pt;">
<tr height="25" style="height:15pt;">
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;"> </span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="401" style="width:240.75pt;margin-left:3.9pt;">
<col width="401" style="width:240.75pt;">
<tr>
<td style="margin-top:5pt;margin-bottom:5pt;"><font face="Arial" size="3"><span style="font-size:12pt;">When it's time, join the Webex meeting here. </span></font></td>
</tr>
<tr height="25" style="height:15pt;">
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;"> </span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="785" style="width:471pt;margin-left:3.9pt;">
<col width="785" style="width:471pt;">
<tr height="20" style="height:12pt;">
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;"> </span></font></td>
</tr>
<tr>
<td style="margin-bottom:8pt;"><font face="Arial" size="3" color="#666666"><span style="font-size:12pt;">Wednesday, August 23, 2023 </span></font></td>
</tr>
<tr>
<td style="margin-bottom:8pt;"><font face="Arial" size="3" color="#666666"><span style="font-size:12pt;">8:30 AM | (UTC-04:00) Eastern Time (US & Canada) | 2 hrs </span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="9" style="width:5.95pt;margin-left:3.9pt;">
<col width="9" style="width:5.95pt;">
<tr height="25" style="height:15pt;">
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;"> </span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="225" style="width:135.55pt;margin-left:3.9pt;">
<col width="225" style="width:135.55pt;">
<tr>
<td>
<table width="220" style="width:132.25pt;margin-left:5.55pt;">
<col width="220" style="width:132.25pt;">
<tr>
<td style="text-align:center;background-color:#00823B;margin-bottom:8pt;"><span style="background-color:#00823B;"><a href="https://nasaenterprise.webex.com/nasaenterprise/j.php?MTID=macc1cdf240474edb324809aacc066c3c"><font size="4" color="#CFCFCF"><span style="font-size:15pt;">Join
meeting</span></font></a></span></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
</td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="157" style="width:94.6pt;margin-left:3.9pt;">
<col width="157" style="width:94.6pt;">
<tr height="35" style="height:21pt;">
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;"> </span></font></td>
</tr>
<tr>
<td style="margin-bottom:8pt;"><font face="Arial" size="2"><span style="font-size:10.5pt;"><b>More ways to join:</b></span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="782" style="width:469.6pt;margin-left:3.9pt;">
<col width="782" style="width:469.6pt;">
<tr height="12" style="height:7.5pt;">
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;"> </span></font></td>
</tr>
<tr>
<td style="margin-bottom:8pt;"><font face="Arial" size="2"><span style="font-size:9pt;"><b>Join from the meeting link</b></span></font></td>
</tr>
<tr>
<td style="margin-bottom:8pt;"><a href="https://nasaenterprise.webex.com/nasaenterprise/j.php?MTID=macc1cdf240474edb324809aacc066c3c"><font color="#005E7D">https://nasaenterprise.webex.com/nasaenterprise/j.php?MTID=macc1cdf240474edb324809aacc066c3c</font></a></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="9" style="width:5.95pt;margin-left:3.9pt;">
<col width="9" style="width:5.95pt;">
<tr height="25" style="height:15pt;">
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;"> </span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="178" style="width:107.5pt;margin-left:3.9pt;">
<col width="178" style="width:107.5pt;">
<tr>
<td style="margin-bottom:8pt;"><font face="Arial" size="2"><span style="font-size:9pt;"><b>Join by meeting number </b></span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="371" style="width:223.1pt;margin-left:3.9pt;">
<col width="371" style="width:223.1pt;">
<tr>
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;">Meeting number (access code): 2764 922 4173 </span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="620" style="width:372.5pt;margin-left:3.9pt;">
<col width="620" style="width:372.5pt;">
<tr>
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;">Meeting password: MPj93nPnJ@3 (67593676 from phones and video systems)</span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="9" style="width:5.95pt;margin-left:3.9pt;">
<col width="9" style="width:5.95pt;">
<tr height="25" style="height:15pt;">
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;"> </span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="263" style="width:158pt;margin-left:3.9pt;">
<col width="263" style="width:158pt;">
<tr>
<td style="margin-bottom:8pt;"><font face="Arial" size="2"><span style="font-size:9pt;"><b>Join by phone</b></span></font></td>
</tr>
<tr>
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;">+1-415-527-5035 US Toll</span></font></td>
</tr>
<tr>
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;">+49-6196-7819735 Germany Toll</span></font></td>
</tr>
<tr>
<td style="margin-bottom:8pt;"><a href="https://nasaenterprise.webex.com/nasaenterprise/globalcallin.php?MTID=m06b7a96f567f5012ce0faefbb13033a4"><font color="#005E7D">Global call-in numbers</font></a></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="9" style="width:5.95pt;margin-left:3.9pt;">
<col width="9" style="width:5.95pt;">
<tr height="25" style="height:15pt;">
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;"> </span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="518" style="width:311.25pt;margin-left:3.9pt;">
<col width="518" style="width:311.25pt;">
<tr>
<td style="margin-bottom:8pt;"><font face="Arial" size="2"><span style="font-size:9pt;"><b>Join from a video system or application</b></span></font></td>
</tr>
<tr>
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;">Dial <a href="sip:27649224173@nasaenterprise.webex.com"><font face="Calibri" size="2" color="#005E7D"><span style="font-size:11pt;">27649224173@nasaenterprise.webex.com</span></font></a></span></font></td>
</tr>
<tr>
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;">You can also dial 207.182.190.20 and enter your meeting number.</span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"><font color="#333333"> </font></div>
<table width="9" style="width:5.95pt;margin-left:3.9pt;">
<col width="9" style="width:5.95pt;">
<tr height="25" style="height:15pt;">
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;"> </span></font></td>
</tr>
</table>
<table width="785" style="width:471pt;margin-left:3.9pt;">
<col width="785" style="width:471pt;">
<tr height="25" style="height:15pt;">
<td style="margin-bottom:8pt;"><font face="Arial" size="2" color="#333333"><span style="font-size:10.5pt;"> </span></font></td>
</tr>
<tr height="30" style="height:18pt;">
<td style="margin-bottom:8pt;"><font face="Arial" size="2"><span style="font-size:10.5pt;">Need help? Go to <a href="https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhelp.webex.com%2F&data=05%7C01%7Ckimberly.cashin-1%40nasa.gov%7Cc5aadee7d5544ca346dd08db82182cd8%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638246812561745644%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Bui6YxF11XoJdRj%2B%2B302ZlaiXjAM7Fd3HxUJV58lAOY%3D&reserved=0"><font face="Calibri" size="2" color="#005E7D"><span style="font-size:11pt;">https://help.webex.com</span></font></a>
</span></font></td>
</tr>
</table>
<div style="margin-bottom:8pt;"> </div>
<div style="margin-bottom:8pt;"> </div>
</span></font>
</body>
</html>