S5-S7, SINPO 34333 on the K1VL SDR in Vermont at 0426 UTC.
0435 - ELO, "Telephone Line".
0437 - The signal is equivalent on the KPH SDR in California but much less noise there. COAST TO COAST COVERAGE.
0442 - Same story on the Northern Utah SDR.
0500 - "The current GPS time is midnight Eastern time. It is 5 AM London. End of transmission." TX off.
I'm thinking from the songs played, this is WWWW 
OK, I'm with you but didn't some station have time checks a few months ago?