Los 40

Los 40 is a brand name of radio stations originating from Spain. It is broadcast in 12 countries under the same brand name, with 29 million listeners across Spain and Latin America. Its format is the adult contemporary hits, more commonly known as the CHR format, primarily to top 40 charts inspired by radio stations in the United States.
== SER FM ==
=== 1966–1987 ===
== Los 40 Principales ==
=== 1966–1979 ===
Originally started as a radio program on Radio Madrid (Cadena SER). It became a standalone radio station in 1979 and independent from SER in 1987.
=== 1979–1987 ===
== Cadena 40 ==
=== 1987–1989 ===
=== 1990–1991 ===
== Cadena 40 Principales ==
=== 1991–1992 ===
1468301612 739102 1496038338 album normal.jpg|25th Anniversary
=== 1992–1994 ===
=== 1994–1995 ===
=== 1995–1997 ===
==40 Principales==
=== 1997-2000 ===
=== 2000-2004 ===
===2004–2005===
=== 2005–2006 ===
=== 2006–2016 ===
1468301612 739102 1496038364 album normal.jpg|40th Anniversary
1468301612_739102_1496038379_album_normal.jpg|50th Anniversary (1st Version)
== Los 40 ==
=== 2016–present ===
1468301612 739102 1496038394 album normal.jpg|50th Anniversary (2nd Version)
==40 Logo==
1468301612.jpg|1966–1979
1496038389.jpg|1979–1987
1496038384.png|1987–1989
739102.jpg|1990–1992
14683016.png|1992–1994
1496038369.png|1994–1995
40principales 1.png|1995–2004
146830161.png|2004–2005
1468301613.jpg|2005–2006
1496038369.jpg|2006–2016
Category:Radio networks in Latin America
Category:PRISA
Category:Spain
Category:Radio stations in Spain
Category:Madrid
Category:1966
Category:1987
Category:Contemporary hit radio stations in Spain
Category:Contemporary hit radio stations