Five cubesats were deployed from the ISS today: http://nanoracks.com/nanoracks-completes-15th-cubesat-mission-on-international-space-station/
CAT-1/CAT-2: 10:25 GMT/4:25 CST
Delphini-1: 12:00 GMT/6:00 CST
UNITE: 13:40 GMT/7:40 CST
TechEdSat-8: 16:45 GMT/10:45 CST
So far we’ve only found an IARU coordinated frequency for Delphini-1, transmitting 9k6 GMSK on 437.500MHz: http://www.amsatuk.me.uk/iaru/finished_detail.php?serialnum=596
However, some of the others may well be transmitting on VHF or UHF.