Mars Exploration Rover Mission: Press Releases:
"The flight team for NASA's Spirit received data from the rover in a communication session that began at 13:26 Universal Time (5:26 a.m. PST) and lasted 20 minutes at a data rate of 120 bits per second.

'The spacecraft sent limited data in a proper response to a ground command, and we're planning for commanding further communication sessions later today,' said Mars Exploration Rover Project Manager Pete Theisinger at NASA's Jet Propulsion Laboratory, Pasadena, Calif.… "

Meanwhile, the other Mars Exploration Rover, Opportunity is on course to land halfway around Mars from Spirit, in a region called Meridiani Planum, on Jan. 25 (Universal Time and EST; Jan. 24 at 9:05 p.m. PST).

http://marsrovers.jpl.nasa.gov/newsroom/pressreleases/20040123b.html