On the first hand, they watched videos on the Sohae Space Center in Cholsan County, North Phyongan Province, carrier rocket Unha-3 with a satellite atop and its flight.

The videos also included technical indices on flight track, the scene of the satellite launch and its entry into the orbit.

Kim Hye Jin, 44, a section chief of the center, told KCNA:

"We confirmed that the satellite was separated from the three-stage rocket.

The satellite is now airing 'Song of General Kim Il Sung' and 'Song of General Kim Jong Il'. We are sure our technology of putting satellite into orbit is flawless. I think those countries developed in space science and technology can not but acknowledge it in view of our satellite flight track."