Yep, that's what it does with 35 and 47 before the GPS acquires a correct almanac. I'd guess that the FAA is probably just testing them, it might not even be transmitting actual WAAS corrections. They're not scheduled to go active until near the end of the year according to the FAA site.
http://gps.faa.gov/programs/index.htm , select WAAS then current news on the left.