166) "The “geostationary communications satellite” was first created by Freemason science-fiction writer Arthur C. Clarke and supposedly became science-fact just a decade later. Before this, radio, television, and navigation systems like LORAN and DECCA were already well-established and worked fine using only ground-based technologies. Nowadays huge fibre-optics cables connect the internet across oceans, gigantic cell towers triangulate GPS signals, and ionospheric propagation allows radio waves to be bounced all without the aid of the science-fiction best-seller known as “satellites.” 

A quick outline answer here maybe more alter, but this is a pretty trivial claim.

By the way  it's odd that GPS works fine over widest oceans, far from any towers;

Yes, there was radio, tv and navigation systems before satellites, but they couldn’t do nearly as much. Many peole remember what was technically possible then, and can see the difference.

Mr Dubay denies that there are such things as satellites, and calls the science fiction. But he gives no detailed technical discussion of this – not surprisingly given his obvious lack of technical and scientific understanding. 

I may come back to this in detail later. Oh, and no evidence that Arthur C Clarke was a freemason. If you’ve read his books, you will know how unlikely that seems. Of course the whole freemasonry conspiracy theory is garbage, but this isn’t the moment to discuss that. More when I get to point 191.

LORAN wasn't very accurate; accuracy up to tens of miles. DECCA was from a  few meters up to a mile, depending on various conditions. GPS, using a correction based on Einstein's theory of gravity (general relativity), offers accuracies of a steady 5-10 metres. Europe's Galileo will go for one metre public, and one centimetre for encrypted (commercial) use.

That's right, a centimetre.

GPS is satellite based, by the way - I'm not sure why Dubay claims it isn't, except that he makes his facts up as he goes along.