Has anyone seen any info on the beamwidths out of the phased arrays?   I could see the solutions come from 1 degree beamwidths or less?

On 9/3/20 11:29 AM, Tim Withrow via AF wrote:

Once he get 20,000  birds up there maybe they'll do something like a cellular handoff  still there's going to be more jitter and packet loss, it seems. one hell of a mathematician I also  imagine it will take , to get it all synchronized.



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On Thursday, September 3, 2020 Bill Prince <af@af.afmug.com> wrote:

The difference has got to be with the number f ground stations. Unless my understanding is incorrect, Geo-synchronous satellites have one ground station per satellite. Starlink will have lots of ground stations with traffic split between them Certainly not 12,000, but perhaps one ground station per every two or three rings? I'm guessing they could add ground stations in areas with a lot of traffic as well?


bp
<part15sbs{at}gmail{dot}com>

On 9/3/2020 11:12 AM, Adam Moffett wrote:

A graceful hand-off might only give you a brief moment of jitter.

My skepticism is directed at capacity.  I haven't seen how 12,000 satellites gives you 12,000X capacity like some people seem to assume.  Once you've used every channel in a certain area then you don't get more of them no matter how many more AP's you install.

Maybe the plan is after you Hughesnet's lunch you buy them out and use their channels too.  Repeat with Viasat etc.

On 9/3/2020 12:21 PM, Steven Kenney wrote:
https://arstechnica.com/science/2020/09/spacex-launches-12th-starlink-mission-says-users-getting-100-mbps-downloads/

"Initial results have been good," she said. These tests reveal "super-low latency," and download speeds greater than 100 megabits per second. This, she noted, would provide enough bandwidth to play the fastest online games and stream multiple HD movies at once.


I'm wondering what happens when it needs to swap to another dish, the tracking will need to change fast and that delay would probably kill any gamers in the heat of battle :)

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