To be clear, for many years I derided GPS and relied on traditional nav but learnt my lesson a few times.
I now use GPS as the primary but I keep a chart plot as well and even take bearings, just for fun.
That's the way MB. When there is no electricty it is trad skills that will keep you out of trouble and there is fun in that.
Apparent deliberate GPS jamming
yle.fi/uutiset/osasto/news/russia_suspected_of_gps_jamming_during_nato_exercises/10500210
Once again GPS is handy but not to be relied on - unless having it suddenly stop working doesn't matter. I think Ive finally been convinced to buy a sextant and learn how it works.
www.news.com.au/technology/innovation/military/china-russia-reveal-secret-test-to-heat-atmosphere-and-jam-signals-such-as-gps/news-story/98b677728ada6874acd8ec41492a91b0