Celebrating the  75th anniversary of the  Union de Radioaficionados Espanoles (URE),  Spanish  amateurs  are allowed  to replace  their Normal  prefix  from 1 to 31 May  as follows:  EA stations  can use AO#75,  EB stations can use AN#75,  and  EC stations can use AM#75,where "#" is the digit of their call area. For example, EA1FMJ will  use AO175FMJ, EC5BUH will use AM575BUH, EB7KA will use AN775KA.