Radio Programas de México
... that at one point, more than half of all Mexican radio stations were affiliates of Radio Programas de México?
... that at one point, more than half of all Mexican <a class="mw-redirect" href="./Radio_station" id="mwBoY" rel="mw:WikiLink" title="Radio station">radio stations</a> were affiliates of <b id="mwBoc"><a href="./Radio_Programas_de_México" id="mwBog" rel="mw:WikiLink" title="Radio Programas de México">Radio Programas de México</a></b>?