ISS On-Orbit Report April 11th:

http://www.nasa.gov/directorates/somd/reports/iss_reports/index.html

"Dmitri performed hardware setup and test activation of the TEKh-43 Radioskaf-B “Kedr” microsatellite in the MRM2 Poisk module, connecting it to an 825M3 Orlan battery and checking out its 430 MHz transmitter from the satellite control panel. [The small satellite was named Kedr in honor of the call sign of Yuri Gagarin. It will be activated onboard the station tomorrow, April 12, i.e., Cosmonautics Day, when the world celebrates the anniversaries of the first human flight into space and the first Space Shuttle flight.(...)]"

Looks completely normal to me, that nobody heard anything.. activation is now planned for April 12th (today).

73s Achim, DH2VA