UUCP? On 7 March 2022 18:34:11 CET, Ben Greear wrote: >On 3/6/22 1:10 PM, David P. Reed wrote: >> Very interesting info about where current ground stations are, but of course Kyiv, Lviv, Kharkiv are close to some adjacent countries that already have Starlink >> ground stations (didn't know they were up and running in Turkey). >> >> Regarding ground-level repeating, the radio horizon is very short except in VHF where you can in principle bounce off the ionosphere. Don't join the Flat Earth >> Society, the earth isn't very flat at all. >> >> (yes, some small bands actually bend around the earth in the Troposhere, but bitrates feasible in that bandwidth is very poor. Maybe voice grade) >> >> Microwave multihop links require LOS and except from mountaintop to mountaintop, it's hard to maintain them cheaply - Wall St uses microwaves between NYC and >> Chicago, because the latency is much lower number of microseconds than direct fiber would be (little known fact about the difference between speed of light in >> glass vs. air). >> >> These technologies are "off the shelf" for fixed wireless deployment, but if I were trying to maintain or build a quick replacement for existing cables using >> wireless, I suspect it would largely be too little, too late. > >For email, and anything else that can be stored and forwarded, you should be able to zig-zag from ground to sky to ground, >but it would take specialized software setup on the ground intermediate hops (something like bittorrent and/or an email >proxy I guess), and it would require the sky to be able to hair-pin ground-to-ground. So, a bit of work, but hopefully is >software-only fix. > >For instance: Ground-east-1 <-> sky-to-the-west <-> ground-middle <-> sky-more-to-the-west <-> internet-ground-station-to-the-west >And maybe it is not directly due west due to orbital mechanics, but I think you get the idea. > >Latency would be in minutes or maybe hours, but that is still a lot better than nothing. > >Thanks, >Ben > >-- >Ben Greear >Candela Technologies Inc http://www.candelatech.com > >_______________________________________________ >Starlink mailing list >Starlink@lists.bufferbloat.net >https://lists.bufferbloat.net/listinfo/starlink -- Sent from my Android device with K-9 Mail. Please excuse my brevity.