141–150 of 331 posts
I own a Ford Focus and to this day I don't understand why sometimes the gear shifts make this cracking noise when decelerating to zero, but only when it is raining.
Is it a 2012-2016 model? Those have the PowerShift transmission (known as the PowerShit on forums) that had a class action settlement, though I think it's too late to cash in on that.
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Amazing. Reminds me of the fact that militaries really don't want wind turbines in areas where good radar coverage is important (case in point: the Finnish Defense Forces anywhere near the Russian border); even though the blades aren't metal, they're still a source of noise and radar shadow.
I'm not at all knowledgable about this, but: is it feasible (and if so, hard?) or impossible to have some sort of live reporting from the turbines about the speed/position of their blades that connects to the radar system allowing it to ignore what it knows to be turbine noise/shadow and therefore be able to have turbines there and still get good radar?
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Yes, it’s not a competition, but if you have a line of sight network connection and the network only works when it’s raining, the obvious thing to check is that line of sight.
I didn't think to check the line of sight because I was primed by the fact the bridge had been running fine for 10 years. With networking gear that old, it seemed more likely that a device/cable/power brick had just gone bad with age.
Also, the antenna is on some metal scaffolding propped out 6ft past the edge of our balcony, because it needs to "look around the corner" of the building. It's 30ft in the air, and checking the line of sight involved climbing up there. It certainly wasn't the easiest nor the likeliest thing to check, so I didn't check it first.
Multiple people in the comments just here on HN have mentioned having weird situations caused by routers that had gone bad. I imagine most of their routers weren't 10 years old when they started acting up. How old is your router?
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My personal example: VoIP phones stopping after the Asterisk server was up for 3 days. Reason: the server had IPv6 turned on, and it steadily accumulated privacy IPv6 addresses. These addresses were all sent in a packet describing the supported media endpoints, using UDP. And yep, eventually it overflowed the MTU and the phones couldn't handle the fragment reassembly.
Which distro was that? ... asking for a friend ...
I was not expecting the home Internet all went over a long range WiFi bridge, but knowing that a tree makes far more sense as the problem. Strange how it correlates with rain that way.
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I'm not bragging, I'm just saying if you have one custom, specialized part in your setup that's particularly out of the ordinary and prone to failure, I'm surprised you wouldn't start there. If you're e.g. running a piece of software with a crazy custom plugin that overhauls major functionality and then an update to the base software breaks everything, it shouldn't be TOO much of a mystery on where to start looking.…
Like I said in a reply to a sibling to your comment, the gear was ~10yrs old at the time and had been working fine until then. It was perched in a very inconvenient spot because it had to "look around the corner" of the building, so checking the line of sight wasn't just a case of looking out the window.
I went in order of "most likely to be the problem, weighted by how easy they were to check." This is a debugging strategy that has served me well, and I don't regret using it that time either.
My Wifi doesn't work properly when it's raining, can be combine forces?
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I'm not at all knowledgable about this, but: is it feasible (and if so, hard?) or impossible to have some sort of live reporting from the turbines about the speed/position of their blades that connects to the radar system allowing it to ignore what it knows to be turbine noise/shadow and therefore be able to have turbines there and still get good radar?
Even if you ignored the turbines themselves, there would still be a "shadow" behind the turbines though I think? Which means you'd have a blind spot every now and then (when the wind is blowing and the turbines are active) which could be exploited by an enemy
Plastic drones with plastic propellers are still visible on radar because the tiny propellers spin super fast, so they light up like a Christmas tree on Doppler radar because the approaching vs receding velocities of the blades are so different.
Let me see if I'm the first one to link to that classic story in the same series, "I cannot send email further than 500 miles" http://www.ibiblio.org/harris/500milemail.html Or the Magic/More Magic switch http://www.catb.org/jargon/html/magic-story.html It's fun when physical reality meets the abstract models that we have built in our heads of these machines.