Posting this here for now...
This is a strange one that I posted last week to the IRCA group, but no one seems to have any info on it - was parked on 1070 AM and around 01:18z started to hear time pips fade in that were on the half second and then a long tone followed by a short one and back to the half second ones. It eventually faded away around 01:21z. The Spanish underneath is WCSZ 'La Jefa' out of S Carolina not connected with the pips. Possibly a provincial Cuban station since Reloj is not listed for this frequency? I don't think I've ever heard a time station with half second pips regardless of who it is. I also heard these pips fade in & out from 01:34z-01:36z on 08/05.
1070 UNID time pips 01:18:39z-01:21:16z 08-02-26