Speed of light in glass varies but it’s about 80% of vacuum. Density matters! Or is it matter makes density? If your dense does it matter? If you're not matter does that give you energy?
Mark > On Jan 30, 2020, at 2:45 PM, Bill Prince <[email protected]> wrote: > > I think he means bandwidth as opposed to "speed". Surely latency would be > almost indistinguishable. However, there could be a lot of difference in the > bandwidth. Regardless of the sat-to-sat speed, the downlink/uplink will still > be the gating factor. > > bp > <part15sbs{at}gmail{dot}com> > > On 1/30/2020 11:40 AM, [email protected] <mailto:[email protected]> wrote: >> In a vacuum it should be the same. >> >> From: [email protected] <> >> Sent: Thursday, January 30, 2020 12:36 PM >> To: AnimalFarm Microwave Users Group <> >> Subject: Re: [AFMUG] OT: Now there are ~~ 180 >> >> What's the difference in speed between the laser and RF links? >> >> On Thu, Jan 30, 2020 at 10:40 AM Bill Prince <[email protected] <>> wrote: >> Not what I read. The early sats (the ones other than the first 60) do not >> have the laser communications between them, but they do have an RF link >> between them. They are functional. >> >> >> bp >> <part15sbs{at}gmail{dot}com> >> >> On 1/29/2020 7:56 PM, Ryan Ray wrote: >>> The sats that are up there now also are not equipped to communicate with >>> each other. There is no inner satellite communication. Everything has to >>> come down to ground stations right now. >>> >>> On Wed, Jan 29, 2020 at 12:08 PM Bill Prince <[email protected] <>> wrote: >>> >>> SpaceX got another 60 Starlink sats into orbit this morning. That brings >>> the functional constellation to 180 sats. The first batch of 60 don't >>> count since they are not equipped to communicate with each other. >>> Various reports say either 300 or 400 sats are required to get a basic >>> minimal functioning system. At the rate they're going, this may mean >>> they will have achieved their goal in another couple of months (they >>> want to do 2 launches per month). >>> >>> https://www.space.com/spacex-starlink-3-satellites-launch-rocket-landing-success.html >>> >>> <https://www.space.com/spacex-starlink-3-satellites-launch-rocket-landing-success.html> >>> >>> -- >>> >>> bp >>> <part15sbs{at}gmail{dot}com> >>> >>> >>> -- >>> AF mailing list >>> [email protected] <> >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> >>> >> -- >> AF mailing list >> [email protected] <> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> >> >> -- >> AF mailing list >> [email protected] <mailto:[email protected]> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> >> >> > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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