Several special callsigns they will be active for 90th anniversary of messican radioamteur club FMRE from 1 januaty to 31 march 2022 :

 

4A90FMRE , 4A90CMX  , 4A90COL , 4A90EMX , 4A90GTO ,  4A90HGO , 4A90JAL , 4A90MIC
4A90MOR ,  4A90NAY  , 4A90PUE , 4A90QRO  , 4A90TLX,  4A90VER , 4A90AGS  , 4A90BAC  , 4A90BCS ,  4A90CHH , 4A90COA,  4A90DGO , 4A90NLE ,  4A90SIN  , 4A90SLP  , 4A90SON , 4A90TAM , 4A90ZAC , 4A90CAM  , 4A90CHI , 4A90GRO,  4A90OAX , 4A90QUI ,  4A90TAB  and 4A90YUC

 

calendar by call area