US4FRX wrote:

If you were issued one of the old "USxxx" call signs,
these will be honored.

I always wondered- What authority "issues" these fake callsigns?
Is it just some guy promoting a "club" so he can bilk the
foolish out of "membership dues" by issuing them callsigns?
If so, I'd like to start one; I could use the money.
Maybe it'll be the "FI" series call signs (friggin idiots).