Rodney is a young explosive swingman listed at 6'6" or 6'7" everywhere, and as detailed below, has been competing with Willie Green for the starting shooting guard job in Philly. nba.com lists him as a F.

evidence:

October 21: Philly Daily News says Carney is still competing with Willie Green for a starting position alongside Dalembert, Reggie Evans, Iguodala , and Andre Miller.
http://www.philly.com/dailynews/spor..._the_spot.html

From espn, notes on October 17: Status Alert: Carney, competing for the starting shooting-guard spot has hit 12 of 30 shots from the field but is just 1 of 9 from beyond the arc in the preseason. http://sports.espn.go.com/nba/player...?playerId=2995

October 10, Philly Inquirer: one of the most interesting battles is at shooting guard, where Willie Green and Rodney Carney are competing
http://www.philly.com/philly/sports/...lent_pool.html

listed as backup SG on rotoworld depth chart http://www.rotoworld.com/content/Dep...aspx?sport=NBA

listed as a guard/forward on the rotoworld player page http://www.rotoworld.com/content/pla...1262&sport=NBA

last year Rodney Carney played 15 games at SG and 49 games at SF:
http://www.hoopsstats.com/basketball...file/07/22/312