Originally Posted by
Zulu Alpha
So can you just make one up and use it.
I'd like "aerobatics one" ...can I just start using it tomorrow?
No. You have to jump through all sorts of CAA hoops to get your own personal call-sign; I believe they don't even issue them anymore to individuals, only aircraft. Even then, there is probably a wealth of form-filling and a fat fee to pay.
Cheers
Whirls