> Gunning says that, due to the altitude of the Pulsar-0 satellite, the map may ... | Hacker News

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willtemperley 85 days ago | parent | context | favorite | on: Satellite reveals immense scale of GPS signal tamp...

> Gunning says that, due to the altitude of the Pulsar-0 satellite, the map may not truthfully reflect where jamming is worst for users on the ground

Right. So have they employed ground truthing to quantify this uncertainty? Truth was important when I went to GIS school.

eqvinox 85 days ago [–]

https://gpsjam.org/ (ADS-B data from planes, hence limited coverage area.)

willtemperley 85 days ago | [–]

That’s a lot closer-to-the-ground truth. It would be interesting to compare Xona’s map with this, if they provide the actual data.

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