2 0 1 7 . ▁ ▁History ▁X EQ R ▁took ▁to ▁the ▁air ▁in ▁ 1 9 7 4 ▁— ▁more ▁than ▁ 1 0 ▁years ▁after ▁receiving ▁its ▁con cess ion ▁on ▁December ▁ 3 , ▁ 1 9 6 3 ▁— ▁with ▁the ▁name ▁" Radio ▁Universal " ▁and ▁a ▁format ▁of ▁music ▁in ▁English ▁from ▁the ▁ 1 9 5 0 s ▁and ▁ 1 9 6 0 s . ▁In ▁ 1 9 9 1 , ▁it ▁became ▁known ▁as ▁" Univers al ▁S tere o ▁ 1 0 7 . 3 ▁FM " ▁and ▁picked ▁up ▁the ▁long - running ▁" El ▁Club ▁de ▁los ▁Beat les " ▁program ▁from ▁X ER C - AM , ▁which ▁ceased ▁air ing ▁it ▁when ▁that ▁station ▁dropped ▁the ▁Radio ▁É x itos ▁format . ▁ ▁On ▁December ▁ 7 , ▁ 1 9 9 8 , ▁X EQ R ▁and ▁X H FO - FM ▁engaged ▁in ▁a ▁format ▁swap . ▁X EQ R ▁picked ▁up ▁the ▁gru per a ▁format ▁" La ▁Z " ▁which ▁had ▁started ▁its ▁run ▁on ▁X H FO ▁in ▁ 1 9 9 3 , ▁while ▁Universal ▁S tere o ▁moved ▁to ▁X H FO . ▁ ▁References ▁ ▁Category : Radio ▁stations ▁established ▁in ▁ 1 9 7 4 ▁Category : Radio ▁stations ▁in ▁Mexico ▁City ▁Category : 1 9 7 4 ▁establish ments ▁in ▁Mexico ▁Category : G ru po ▁Radio ▁Centro <0x0A> </s> ▁The ▁earliest ▁reference ▁made ▁to ▁F yz