[HN Gopher] Starlink satellites are 'leaking' signals that inter... ___________________________________________________________________ Starlink satellites are 'leaking' signals that interfere with radio telescopes Author : c420 Score : 24 points Date : 2023-11-01 21:31 UTC (1 hours ago) (HTM) web link (theconversation.com) (TXT) w3m dump (theconversation.com) | sbierwagen wrote: | >Now it is commonplace: sit outside for a few minutes after dark, | and you can't miss them. | | As always, this is only the case immediately after sunset, when | it's dark on the ground but the satellites are still in direct | sunlight. Fifteen minutes later they're completely invisible. | MalcolmDwyer wrote: | The cutoff is nowhere near that soon after sunset. At midnight? | Sure, you're not going to see satellites. But against a dark | sky, you can see satellites reflecting for at least a couple | hours. They may not be in direct sunlight as it gets later, but | they are still illuminated by the atmosphere on the sunny side | for a while. | LightBug1 wrote: | The school children p1ss in the public swimming pool while the | adult lanes are still open ... but only during their 1 hour | lesson on Monday afternoon. After that, it's totally fine. | pests wrote: | It is fine though? Swimming pools use a complex chemical and | physical filtration system. | AgentK20 wrote: | Sounds like there's some additional EMI shielding that is needed | for future iterations of megaconstellations. On the plus side | since they have relatively (compared to geosync satellites) short | lifespans of only a few years they can probably sort this out by | passively fixing the next generation of satellites. Additionally, | from what I have seen of the way they pack the Starlink | satellites into the fairing, they seem to be volume constrained | in the fairing rather than mass constrained, so there may be | additional mass budget available for little overhead. ___________________________________________________________________ (page generated 2023-11-01 23:00 UTC)