In occasion of twenty years of the European Radio Amateurs' Organization (EURAO), the EA Digital Federation (FEDI-EA) will be on the air, from June 14 to July 13, 2025, with the special callsign AO20EURAO, to be used in multi-club mode through its usual booking system.
In addition, the PTT also has authorized all Spanish licence holders (who wish) to use, on the same dates, their callsign as special in the following format:
