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https://www.smh.com.au/national/farmers-crippled-by-satellite-failure-as-gps-guided-tractors-grind-to-a-halt-20230418-p5d1de.html "Katie McRobert, general manager at the Australia Farm Institute, said Australian farmers sourced their GPS signal from one satellite, which was a critical risk to rural industries."
@ingrid Ah ha. I did not know that geosynchronous stations could supply DGPS signals for ultra-precise location. Nice.
@ingrid "Australian farmers sourced their GPS signal from one satellite". Umm that's not how GPS works, right? Am I going to have to dig down to see what really happened here?