As Armando, N8IGJ noted in his earlier email, NASA as published an update of 
today's activities ( it can be found at 
:http://www.nasa.gov/directorates/somd/reports/iss_reports/index.html) 
.Contained this document is a section about ARISSat

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. Development, 
manufacturing and launch of Kedr is the first phase in Russia's integrated 
program approved by UNESCO, with the goal to create and operate mini-satellites 
with a mass less than 100 kg by combined efforts of students across the world. 
Once Kedr is activated, it will transmit 25 greetings in 15 languages, pictures 
of Earth, and telemetry data from science hardware and support systems, as well 
as historical audio recordings. 50 years after Gagarin's fl!
 ight all ham radio operators across the world thus will have a unique 
opportunity to hear the famous "Poyekhali" (Let's Go!) from Earth orbit.]

Some clarifications:
ARISSat-1, RadioSkaf-V, RadioSkaf-B, Kedr are all names for the same satellite.
It is doubtful that the satellite will transmit pictures of earth as it is 
inside the ISS.
ARISSat-1 only transmits on 2M. The ARISS team has arranged for the TM-D700 
transceiver aboard the ISS to also transmit the ARISSat signals on 437.55 MHz.
There are 24 different messages that will transmit in a sequence, one of which 
is the Gagarin-ground station conversation.
The crew operates on UTC time and sleeps from 2130Z - 0600Z usually so probably 
no activity until after 0600Z
The 12 April schedule found at  
http://www.nasa.gov/pdf/534825main_041211_tl.pdf  doesn't specifically list an 
activity to turn on ARISsat-1
Keep listening, we'll let you know more as we know more.

73,
Gould, WA4SXM
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