<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">I’’ll dig out Chris’s Taylors’s co=orrdinates and send them to Scott.<div><br></div><div>Dai</div><div><br id="lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On 16 May 2024, at 14:42, sburleig.sb--- via SIS-DTN <sis-dtn@mailman.ccsds.org> wrote:</div><br class="Apple-interchange-newline"><div><meta charset="UTF-8"><div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; 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;"><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span style="font-size: 11pt;">Hi. I have got contact information for Chris Taylor, but after all this time I doubt he would know where to find that code.<o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span style="font-size: 11pt;"><o:p> </o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span style="font-size: 11pt;">Scott<o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span style="font-size: 11pt;"><o:p> </o:p></span></div><div><div style="border-width: 1pt medium medium; border-style: solid none none; border-color: rgb(225, 225, 225) currentcolor currentcolor; border-image: none; padding: 3pt 0in 0in;"><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><b><span style="font-size: 11pt; font-family: Calibri, sans-serif;">From:</span></b><span style="font-size: 11pt; font-family: Calibri, sans-serif;"><span class="Apple-converted-space"> </span>SIS-DTN <<a href="mailto:sis-dtn-bounces@mailman.ccsds.org" style="color: rgb(70, 120, 134); text-decoration: underline;">sis-dtn-bounces@mailman.ccsds.org</a>><span class="Apple-converted-space"> </span><b>On Behalf Of<span class="Apple-converted-space"> </span></b>Tomaso de Cola via SIS-DTN<br><b>Sent:</b><span class="Apple-converted-space"> </span>Thursday, May 16, 2024 12:55 AM<br><b>To:</b><span class="Apple-converted-space"> </span><a href="mailto:Andrea.Modenini@esa.int" style="color: rgb(70, 120, 134); text-decoration: underline;">Andrea.Modenini@esa.int</a>;<span class="Apple-converted-space"> </span><a href="mailto:matt.cosby@goonhilly.org" style="color: rgb(70, 120, 134); text-decoration: underline;">matt.cosby@goonhilly.org</a>;<span class="Apple-converted-space"> </span><a href="mailto:keithlscott@gmail.com" style="color: rgb(70, 120, 134); text-decoration: underline;">keithlscott@gmail.com</a>;<span class="Apple-converted-space"> </span><a href="mailto:sis-dtn@mailman.ccsds.org" style="color: rgb(70, 120, 134); text-decoration: underline;">sis-dtn@mailman.ccsds.org</a><br><b>Cc:</b><span class="Apple-converted-space"> </span><a href="mailto:sls-slp@mailman.ccsds.org" style="color: rgb(70, 120, 134); text-decoration: underline;">sls-slp@mailman.ccsds.org</a><br><b>Subject:</b><span class="Apple-converted-space"> </span>Re: [Sis-dtn] [Sls-slp] Prox-1 implementations?<o:p></o:p></span></div></div></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><o:p> </o:p></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="DE" style="font-size: 11pt; font-family: Calibri, sans-serif;">Hi Andrea,<o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="DE" style="font-size: 11pt; font-family: Calibri, sans-serif;"><o:p> </o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif;">by chance I found an old paper “Proximity-1 simulating the CCSDS Proximity-1 protocol for ExoMars” (though I cannot access it) with first author being Robert Blommestijn that I think is still with ESA. Maybe you can check with him. The other two from ESA are Alistair Winton and Chris Taylor. The last one retired long ago, I don’t know much about the other one.<o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif;"><o:p> </o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif;">Tomaso<o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><o:p> </o:p></div><div><div style="border-width: 1pt medium medium; border-style: solid none none; border-color: rgb(225, 225, 225) currentcolor currentcolor; border-image: none; padding: 3pt 0in 0in;"><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><b><span lang="DE" style="font-size: 11pt; font-family: Calibri, sans-serif;">Von:</span></b><span lang="DE" style="font-size: 11pt; font-family: Calibri, sans-serif;"><span class="Apple-converted-space"> </span>SLS-SLP <<a href="mailto:sls-slp-bounces@mailman.ccsds.org" style="color: rgb(70, 120, 134); text-decoration: underline;">sls-slp-bounces@mailman.ccsds.org</a>><span class="Apple-converted-space"> </span><b>Im Auftrag von<span class="Apple-converted-space"> </span></b>Andrea Modenini via SLS-SLP<br><b>Gesendet:</b><span class="Apple-converted-space"> </span>Donnerstag, 16. Mai 2024 09:36<br><b>An:</b><span class="Apple-converted-space"> </span>Matt Cosby <<a href="mailto:matt.cosby@goonhilly.org" style="color: rgb(70, 120, 134); text-decoration: underline;">matt.cosby@goonhilly.org</a>>; Keith Scott <<a href="mailto:keithlscott@gmail.com" style="color: rgb(70, 120, 134); text-decoration: underline;">keithlscott@gmail.com</a>>;<span class="Apple-converted-space"> </span><a href="mailto:sis-dtn@mailman.ccsds.org" style="color: rgb(70, 120, 134); text-decoration: underline;">sis-dtn@mailman.ccsds.org</a>;<span class="Apple-converted-space"> </span><a href="mailto:sls-slp@mailman.ccsds.org" style="color: rgb(70, 120, 134); text-decoration: underline;">sls-slp@mailman.ccsds.org</a><br><b>Cc:</b><span class="Apple-converted-space"> </span>juanfraire <<a href="mailto:juanfraire@gmail.com" style="color: rgb(70, 120, 134); text-decoration: underline;">juanfraire@gmail.com</a>><br><b>Betreff:</b><span class="Apple-converted-space"> </span>Re: [Sls-slp] Prox-1 implementations?<o:p></o:p></span></div></div></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="DE"><o:p> </o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt; font-family: Calibri, sans-serif;">Hi all,<o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt; font-family: Calibri, sans-serif;">I had long time ago a heads-up that ESA has three SW (reported also on CCSDS website<span class="Apple-converted-space"> </span><a href="https://public.ccsds.org/implementations/software.aspx" style="color: rgb(70, 120, 134); text-decoration: underline;">https://public.ccsds.org/implementations/software.aspx</a>) that could had been adopted freely, by placing a license with ESA (it should be no cost, just for limiting the distribution).<o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt; font-family: Calibri, sans-serif;">But I don’t know what layers were implemented and who was following these SW (I was not there yet).<o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt; font-family: Calibri, sans-serif;"><o:p> </o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt; font-family: Calibri, sans-serif;">If somebody of the CCSDS veterans has some indications, in case I can inquire in ESA.<o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt; font-family: Calibri, sans-serif;"><o:p> </o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt; font-family: Calibri, sans-serif;">Regards<o:p></o:p></span></div><div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><b><span lang="EN-GB" style="font-size: 7.5pt; font-family: Verdana, sans-serif; color: rgb(0, 161, 224);">Ph.D. Andrea Modenini</span></b><b><span lang="EN-GB" style="font-size: 7.5pt; font-family: Verdana, sans-serif; color: gray;"><br>TT&C Communications Systems Engineer</span></b><b><span lang="EN-GB" style="font-family: "Tms Rmn", serif;"> </span></b><span lang="EN-GB" style="font-size: 7.5pt; font-family: Verdana, sans-serif; color: gray;"><br>TT&C and PDT Systems & Techniques Section (TEC-EST)<br>RF Systems Division<b><br>European Space Agency, ESTEC</b><br>Keplerlaan 1, PO Box 299<br>NL-2200 AG Noordwijk, The Netherlands</span><u><span lang="EN-GB" style="font-size: 7.5pt; font-family: Verdana, sans-serif; color: blue;"><br></span></u><span lang="EN-GB" style="font-size: 7.5pt; font-family: Verdana, sans-serif; color: gray;"><a href="mailto:andrea.modenini@esa.int" style="color: rgb(70, 120, 134); text-decoration: underline;"><span style="color: blue;">andrea.modenini@esa.int</span></a><span class="Apple-converted-space"> </span>|<span class="Apple-converted-space"> </span></span><span lang="EN-GB" style="font-size: 11pt; font-family: Calibri, sans-serif;"><a href="http://www.esa.int/" style="color: rgb(70, 120, 134); text-decoration: underline;"><span style="font-size: 7.5pt; font-family: Verdana, sans-serif; color: rgb(143, 143, 143);">www.esa.int</span></a></span><span lang="EN-GB" style="font-size: 7.5pt; font-family: Verdana, sans-serif; color: gray;"><br>T +31 6 484 56 527</span><span lang="EN-GB" style="font-size: 11pt; font-family: Calibri, sans-serif;"><o:p></o:p></span></div></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt; font-family: Calibri, sans-serif;"><o:p> </o:p></span></div><div><div style="border-width: 1pt medium medium; border-style: solid none none; border-color: rgb(225, 225, 225) currentcolor currentcolor; border-image: none; padding: 3pt 0in 0in;"><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><b><span style="font-size: 11pt; font-family: Calibri, sans-serif;">From:</span></b><span style="font-size: 11pt; font-family: Calibri, sans-serif;"><span class="Apple-converted-space"> </span>SLS-SLP <<a href="mailto:sls-slp-bounces@mailman.ccsds.org" style="color: rgb(70, 120, 134); text-decoration: underline;">sls-slp-bounces@mailman.ccsds.org</a>><span class="Apple-converted-space"> </span><b>On Behalf Of<span class="Apple-converted-space"> </span></b>Matt Cosby via SLS-SLP<br><b>Sent:</b><span class="Apple-converted-space"> </span>Wednesday, May 15, 2024 9:42 PM<br><b>To:</b><span class="Apple-converted-space"> </span>Keith Scott <<a href="mailto:keithlscott@gmail.com" style="color: rgb(70, 120, 134); text-decoration: underline;">keithlscott@gmail.com</a>>;<span class="Apple-converted-space"> </span><a href="mailto:sis-dtn@mailman.ccsds.org" style="color: rgb(70, 120, 134); text-decoration: underline;">sis-dtn@mailman.ccsds.org</a>;<span class="Apple-converted-space"> </span><a href="mailto:sls-slp@mailman.ccsds.org" style="color: rgb(70, 120, 134); text-decoration: underline;">sls-slp@mailman.ccsds.org</a><br><b>Cc:</b><span class="Apple-converted-space"> </span>juanfraire <<a href="mailto:juanfraire@gmail.com" style="color: rgb(70, 120, 134); text-decoration: underline;">juanfraire@gmail.com</a>><br><b>Subject:</b><span class="Apple-converted-space"> </span>Re: [Sls-slp] Prox-1 implementations?<o:p></o:p></span></div></div></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB"><o:p> </o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt;">Hi Keith,<o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt;"><o:p> </o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt;">I am not aware of any open source implementations. The only European implementations (I believe) are from QinetiQ (UK) and TAS (Italy), neither of which are open source.<span class="Apple-converted-space"> </span><o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt;"><o:p> </o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt;">Cheers, Matt.<o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt;"><o:p> </o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><b><span lang="EN-GB" style="font-size: 11pt;"><o:p> </o:p></span></b></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><b><span lang="EN-GB" style="font-size: 11pt;">Matthew Cosby</span></b><span lang="EN-GB" style="font-size: 11pt;"><o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><b><span lang="EN-GB" style="font-size: 11pt;">Chief Technology Officer<span class="Apple-converted-space"> </span><o:p></o:p></span></b></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><b><span lang="EN-GB" style="font-size: 11pt;">Goonhilly Earth Station Ltd<o:p></o:p></span></b></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><b><span lang="EN-GB" style="font-size: 11pt;"><o:p> </o:p></span></b></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt;"><span id="cid:image001.jpg@01DAA75C.3CBED4A0"><image001.jpg></span></span><span lang="EN-GB" style="font-size: 11pt;"><o:p></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt;"><o:p> </o:p></span></div><div style="border-width: 1pt medium medium; border-style: solid none none; border-color: rgb(225, 225, 225) currentcolor currentcolor; border-image: none; padding: 3pt 0in 0in;"><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><b><span style="font-size: 11pt; font-family: Calibri, sans-serif;">From:</span></b><span style="font-size: 11pt; font-family: Calibri, sans-serif;"><span class="Apple-converted-space"> </span>SLS-SLP <<a href="mailto:sls-slp-bounces@mailman.ccsds.org" style="color: rgb(70, 120, 134); text-decoration: underline;">sls-slp-bounces@mailman.ccsds.org</a>><span class="Apple-converted-space"> </span><b>On Behalf Of<span class="Apple-converted-space"> </span></b>Keith Scott via SLS-SLP<br><b>Sent:</b><span class="Apple-converted-space"> </span>Wednesday, May 15, 2024 8:08 AM<br><b>To:</b><span class="Apple-converted-space"> </span><a href="mailto:sis-dtn@mailman.ccsds.org" style="color: rgb(70, 120, 134); text-decoration: underline;">sis-dtn@mailman.ccsds.org</a>;<span class="Apple-converted-space"> </span><a href="mailto:sls-slp@mailman.ccsds.org" style="color: rgb(70, 120, 134); text-decoration: underline;">sls-slp@mailman.ccsds.org</a><br><b>Cc:</b><span class="Apple-converted-space"> </span>Juan A. Fraire <<a href="mailto:juanfraire@gmail.com" style="color: rgb(70, 120, 134); text-decoration: underline;">juanfraire@gmail.com</a>><br><b>Subject:</b><span class="Apple-converted-space"> </span>[Sls-slp] Prox-1 implementations?<o:p></o:p></span></div></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB"><o:p> </o:p></span></div><div><div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB">Does anyone have an open source (or at least available to a European student) implementation of prox-1?<o:p></o:p></span></div></div><div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB"><o:p> </o:p></span></div></div><div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB">v/r,<o:p></o:p></span></div></div><div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB"><o:p> </o:p></span></div></div><div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB"> --keith<o:p></o:p></span></div></div><div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB"><o:p> </o:p></span></div></div></div><div style="margin: 0in; font-size: 12pt; font-family: Aptos, serif;"><span lang="EN-GB" style="font-size: 11pt; font-family: Calibri, sans-serif;">This message is intended only for the recipient(s) named above. 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