Not only do people with astronomy experience above have issue with the astronomy facts in this piece but...
> Amateur radio satellites swarm the skies, offering access to anyone who can pass a simple exam and stump up 30 quid for a cheap Chinese walkie-talkie.
You have some very, very strange ideas about the cost of amateur radio kit. Try multiplying that £30 by 20 or more for the radio itself then add another £100 - £200 for a decent antenna, don't forget quality RF cable, fittings, etc and you'll be lucky to get change out of a grand.
And while I found the exam simple not everyone can follow both the electronics and the legal requirements that are part of it. So add in the cost of a course somewhere like nightschool as well as the cost of the exam itself.
You're only out by a factor of 35x or so.