SZ1821R SZ21TK SZ21GK SZ21AD SZ21PF SZ21LB. Radio Amateur Association of Western Peloponnese (RAAWP-ERDYP). The Greek Revolution of 1821. We celebrate the 200th anniversary of Hellenic War of Independence with 6 Special Event Callsigns. The calls will be active 01-31 March 2021 in all international radio amateurs bands. Awards is available