The monthly digest #06
Around Computer Science
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Contravariance for humans (in Python)
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An Advent Calendar for women of importance in the story of computer science
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An essay on the history of mathematical typography
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How to add color to the output of a projection using the t-SNE method
Software-defined radio and aviation
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AIS is a standard similar to ADS-B for boats. Here is a decoder and a link to help making it work. Hard to test when you don’t live on the coast
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UAT is a standard used for aircraft below 18000 ft MSL in the some areas around the world as an equivalent of ADS-B. dump978 is a decoder for such signals, similar to dump1090 for the usual Mode S, dump868 for FLARM or dumpvdl2 for VDL2/ACARS
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A 180-degree view of mountains around your position, helpful if you want to place your radio receiver
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A nice explanation of procedure of arrivals to London Heathrow
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List of squawk codes
Miscellaneous
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Juke-Box, un bon podcast musical qui associe à un événement historique un récit et des musiques inspirées par le sujet
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Hing, the secret weapon spice for Indian Cuisine, and a nice-looking Ayurveda cookbook
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A peculiarity in Danish pronunciation: stød