ELINT.
DirecTV Latin America has leased all of the satellite?s Ku-band communications capacity to broadcast hundreds of high-definition television channels to customers across Central and South America and the Caribbean. Intelsat retains the use of a smaller C-band payload on the spacecraft.
"Designed to measure variations in the Earth?s gravitational field, to build a?high-precision geodetic network in the geocentric coordinate system, as well as study continental plate motion, tides, the Earth?s rotation and coordinates of poles."
Thought to be for intelligence gathering.
