Triton Digital's Streaming Division (formerly Ando Media# has released its monthly Internet radio rankings for the month of February. As always, rankings are based on Average Active Sessions #AAS), defined as Total Listening Hours divided by the number of hours in the time period.

Pandora remains on top once again in February, though its AAS numbers are down from January, when it had 643,556 AAS. Looking at the Domestic Ranker for the work week daypart (M-F, 6a-8p), Pandora had 599,476 AAS, followed by CBS Radio at #2 with 150,835. Clear Channel was ranked third, with Citadel fourth and Slacker fifth. Entercom, ESPN Radio, Cox, Cumulus and EMF round out the top ten.

For the All Streams Ranker using the same daypart, CBS Radio was #1, followed by Digitally Imported at #2. 977Music.com was ranked third, with Slacker fourth and Entercom fifth. The top ten is filled out by 1.fm, ESPN, Cox, Cumulus and EMF.

The February Domestic Ranker for the full week, 6a-midnight, also ranks Pandora on top with 495,055 AAS. CBS Radio was second, with Clear Channel at #3 and Citadel at #4. Slacker was ranked fifth still, followed by Entercom, ESPN, Cox, Digitally Imported and Cumulus.

For the All Streams Ranker for the full week and 6a-midnight, CBS Radio came out on top, followed by Digitally Imported, 977Music.com and Slacker. 1.fm was ranked fourth, followed by Entercom, ESPN, Cox, Cumulus and EMF.