I know that many places hosting telecom gear provide "BITS Clock" this is a DS1 with timing.<div>Ask about that, it's an alternative to providing your own.<br><br><br>----- Original Message -----<br><b>From:</b> "Karsten Elfenbein" <karsten.elfenbein@gmail.com><br><b>To:</b> "Mike Hammett" <nanog@ics-il.net><br><b>Sent:</b> Thursday, July 11 2019 03:22:01 PM<br><b>Subject:</b> Re: Time and Timing Servers<br><br><div dir="ltr"><div dir="auto">I think you are referencing their chip scale atomic clocks. Which are very frequency stable. But still need phase alignment. (Mobile UPS anyone?)<div dir="auto"><br></div><div dir="auto">Maybe some peers can provide transparent or boundry clock support. Or someone close by in the DC can add an antenna splitter.</div><div><br></div><div>Karsten<br></div></div></div><br><dv class="gmail_quote"><div dir="ltr" class="gmail_attr">Mike Hammett <<a href="mailto:nanog@ics-il.net" target="_blank">nanog@ics-il.net</a>> schrieb am Do., 11. Juli 2019, 16:31:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:rb(0,0,0)">There were a lot of NTP threads several weeks ago, but I didn't get an answer to my question amongst all of the other chatter.<div><br></div><div>I'm looking for a device that can receive GPS inside a building without the assistance of an external antenna (Frontier says they no longer allow external antenna), will provide traditional NTP services, and will provide a timing signal that my Metaswitch can work with.<br><br>I know that MicroSemi via Symmetricom makes these kinds of devices, but I'm hoping to look at multiple manufacturers and compare.</div><div><br></div><div><br></div><div>Thanks.<br><br><div><pan name="x"></span><br style="color:rgb(0,0,0);font-family:"times new roman";font-size:medium;font-style:normal;font-variant:normal;fon-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0p;text-transform:none;white-space:normal;word-spacing:0px"><br style="color:rgb(0,0,0);font-family:"times new roman";font-size:medium;font-style:normal;font-variant:normal;fon-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0p;text-transform:none;white-space:normal;word-spacing:0px"><span>-----<span><br style="color:rgb(0,0,0);font-family:"times new roman";font-size:medium;font-style:normal;font-variant:normal;fon-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0p;text-transform:none;white-space:normal;word-spacing:0px"><span>Mike Hammett</span><br style="color:rgb(0,0,0);font-family:"times new roman";font-size:medium;font-style:normal;font-variant:normal;fon-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0p;text-transform:none;white-space:normal;word-spacing:0px"><a href="http://www.ics-il.com/" style="font-family:"times new roman";font-size:medium;font-style:normal;font-variant:normal;fon-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0p;text-transform:none;white-space:normal;word-spacing:0px" rel="nofollow noopener noreferrer noreferrer" target="_blank">Intelligent Computing Solutions</a><br style="color:rgb(0,0,0);font-family:"times new roman";font-size:medium;font-style:normal;font-variant:normal;fon-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0p;text-transform:none;white-space:normal;word-spacing:0px"><a href="https://www.facebook.com/ICSIL" style="font-family:"times new roman";font-size:medium;font-style:normal;font-variant:normal;fon-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0p;text-transform:none;white-space:normal;word-spacing:0px" rel="nofollow noopener noreferrer noreferrer" target="_blank"><img src="http://www.ics-il.com/images/fbicon.png"></a><a href="https://plus.google.com/+IntelligentComputingSolutionsDeKalb" style="font-family:"times new roman";font-size:medium;font-style:normal;font-variant:normal;fon-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0p;text-transform:none;white-space:normal;word-spacing:0px" rel="nofollow noopener noreferrer noreferrer" target="_blank"><img src="http://www.ics-il.com/images/googleicon.png"></a><a href="https://www.linkedin.com/company/intelligent-computing-solutios" style="font-family:"times new roman";font-size:medium;font-style:normal;font-variant:normal;fon-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0p;text-transform:none;white-space:normal;word-spacing:0px" rel="nofollow noopener noreferrer noreferrer" target="_blank"><img src="http://www.ics-il.com/images/linkedinicon.png"></a><a href="https://twitter.com/ICSIL" style="font-family:"times new roman";font-size:medium;font-style:normal;font-variant:normal;fon-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0p;text-transform:none;white-space:normal;word-spacing:0px" rel="nofollow noopener noreferrer noreferrer" target="_bla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