What's far more amusing Squawk, is all the CAP quoting from the Brits. It’s a CAA publication, so why on earth would you think it’s contents would be known or even valid to US/FAA pilots. It's just as arrogant as the Southern Hemisphere Colonials, some of whom, don't seem to be able to comprehend that other countries can do things differently but just as effectively, safely and professionally.
“My God, what do you mean the rest of the world doesn’t repeat the callsign three times, as part of a PAN call!!”
Hat off to No Sig, who actually had the common sense and gumption to do a bit of homework and understands that there are differences between the two.