<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">The comment (speculation?) about laser communications between satellites in different orbital planes suggest challenges in tracking. I am really curious about the mechanics of tracking and laser pointing.<br class=""><div class="">
<meta charset="UTF-8" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div><br class="">Gene<br class="">----------------------------------------------<br class="">Eugene Chang</div><div>IEEE Communications Society & Signal Processing Society, <br class=""> Hawaii Chapter Chair</div><div>IEEE Hawaii Section, Industry Engagement Coordinator</div><div>IEEE Life Member Affinity Group Hawaii Chair<br class="">IEEE Senior Life Member<br class=""><a href="mailto:eugene.chang@ieee.org" class="">eugene.chang@ieee.org</a><br class="">m 781-799-0233 (in Honolulu)<br class=""><br class=""><br class=""></div></div></div></div></div></div>
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<div><br class=""><blockquote type="cite" class=""><div class="">On May 11, 2023, at 6:28 PM, David Lang <<a href="mailto:david@lang.hm" class="">david@lang.hm</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">On Thu, 11 May 2023, Eugene Y Chang via Starlink wrote:<br class=""><br class=""><blockquote type="cite" class="">What do we know about Starlink’s use of laser links for satellite-to-satellite communications? I am most curious about the challenges of pointing the laser at a moving target.<br class=""></blockquote><br class="">We know they do it, we see starlink coverage in areas that could not be served without such communication. But we have no details of how they do it or the problems they solved in creating the system.<br class=""><br class="">David Lang_______________________________________________<br class="">Starlink mailing list<br class=""><a href="mailto:Starlink@lists.bufferbloat.net" class="">Starlink@lists.bufferbloat.net</a><br class="">https://lists.bufferbloat.net/listinfo/starlink<br class=""></div></div></blockquote></div><br class=""></body></html>