Qqqwxs

8 ms·

1.
by Qqqwxs 1y ago
It's functionally equivalent to an RTK base station (the configuration script I'm using is even called "RTKbase"[0]), but it's being used for researching GPS-based soil moisture retrieval[1]. Basically the GPS signa
2.
Cyclone Alfred: From Tropical Cyclone to Baroclinic Twist(weatheriq.com.au)
2 points by Qqqwxs 2y ago|0 comments
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GPSD Numbers Matter(gpsd.gitlab.io)
2 points by Qqqwxs 2y ago|0 comments
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by Qqqwxs 2y ago
To expand upon this: >> They're measuring it by looking for phase differences in the received L-band (~2GHz) signals The "L-Band signals" are GNSS signals, for example GPS L1 and L2, which use a carrier wavelength of 15
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by Qqqwxs 2y ago
Is paid software OK? Have you looked at Revit?
6.
GNSS Navigation Message Authentication(gnss-sdr.org)
2 points by Qqqwxs 2y ago|0 comments
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by Qqqwxs 2y ago
This comment made me curious. Apparently, TAI specifically defines the second (in terms of cesium transitions) at sea level (where gravitational potential is equal). I never knew that second part.
8.
Fundamentals of Atmospheric Science (Meteo 300)(e-education.psu.edu)
2 points by Qqqwxs 3y ago|0 comments
9.
by Qqqwxs 3y ago
If you want to go further down the LIDAR path, you might be able to improve the public data by making manual improvements to the point cloud classification. For that sort of terrain it's common for classification algorithms to put vege
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by Qqqwxs 3y ago
https://archive.is/MgHXB
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New Photos Renew Questions About a Deadly Expedition on Aconcagua(nytimes.com)
6 points by Qqqwxs 3y ago|1 comments
12.
by Qqqwxs 3y ago
More specifically, you need to solve for the receiver clock bias. https://www.e-education.psu.edu/geog862/node/1724 Edit: I would welcome corrections though if I am misunderstanding. Perhaps if you're not int
13.
by Qqqwxs 3y ago
GPS determines a solution for position and time simultaneously. It requires 4 satellites to solve for 4 unknowns (X, Y, Z, t). If you know your position you can solve for time using only 1 satellite, but a watch is always moving so it&#x27
14.
by Qqqwxs 3y ago
A group of students at my university were claiming their papers were being marked by a LLM. They cited a classifier like the OP which they used on their feedback comments.
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The next extended-range configuration for IFS Cycle 48r1(ecmwf.int)
2 points by Qqqwxs 4y ago|0 comments
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by Qqqwxs 4y ago
I'd also be interested in further discussion into something like that. Talk about deja vu.
17.
by Qqqwxs 4y ago
A friend of mine once described this as a "critical hit chance" (ala video games). There's not much chance of a 'critical hit' if you're just hanging around home, for example. But if you're on the road, st
18.
by Qqqwxs 4y ago
> What the US government did was remove the bias from the CA code so it could be used for precise positioning. The military still uses P codes as well. I believe there is a small gain to be had but it’s due to frequencies. The precision
19.
The 30th anniversity of public internet access in Newcastle, Australia(old.reddit.com)
1 points by Qqqwxs 4y ago|1 comments
20.
by Qqqwxs 5y ago
I'm quite early in the course, so couldn't give you a good answer sadly. The intro to surveying class had a very broad overview of the history- important technologies, discoveries, and figures. There is a Surveying and Engineering
21.
by Qqqwxs 5y ago
I'm a first year Surveying student, after I spent all of high school thinking I'd study computer science / software. I don't see much discussion of the topic on HN so I'm glad this is getting upvoted! The opportunit
22.
by Qqqwxs 5y ago
Tweet from Tjukanovt: https://twitter.com/tjukanov/status/1443868144905428992
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#30DayMapChallenge(github.com)
1 points by Qqqwxs 5y ago|1 comments
24.
by Qqqwxs 6y ago
I use Ripcord[0] on my desktop/laptop, a Discord client which provides easy switching between accounts. It's lightweight and supports slack, too. [0] https://cancel.fm/ripcord/
25.
by Qqqwxs 6y ago
I've heard a similar story about an experiment with monkeys, apparently called the 'five monkeys experiment' [1]. A group of monkeys were put in a room with a ladder leading to a banana. When a monkey touches the banana, spri
26.
by Qqqwxs 7y ago
> Of course, I'm not even sure how many modern/younger readers will understand why "^H". I'm getting too old for this. For all the other modern readers: http://answers.google.com/answers/thre
27.
by Qqqwxs 7y ago
Monero and xmr.to!
28.
by Qqqwxs 7y ago
May I ask what this would make easier for <kids? I can think of clubs scannings IDs, but scanners only store identification details for some period of time, until they're deleted, and not compared against a database. [0] A spoofable
29.
by Qqqwxs 7y ago
I'm actually not sure if this is a native Chrome feature, but I can instantly send tabs to my other devices with right click > "send to your devices" > list of devices with a Google account signed in (Which is my phone
30.
by Qqqwxs 7y ago
>> "The issue with root cause analysis is that it can lead to oversimplification and it is rare for there to be one single root cause." Root cause analysis is a complex and varied topic, discounting it so easily is an oversi

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