A good example of DXing of Radio Reloj was on the morning of 21 January 1999 at 1:20am (Eastern Time), when US radio station WMCA, licensed in New York City and broadcasting on 570 AM (the same as Radio Reloj's Santa Clara signal), went off the air for transmitter maintenance.
A notable instance of DXing, involving Radio Reloj, happened at a specific time and location on January 21, 1999, when US radio station WMCA in New York City, broadcasting on 570 AM (the same frequency as Radio Reloj's Santa Clara signal), went off the air for transmitter maintenance.