You should move the thread (using the "Edit" link) to the Type ID Board proper.

Proxima Nova Light is close, but as you can see the "a" & "t" are slightly different.

Around here that's not "slightly", that's a continent.

hhp

Maybe closer: Schwartzco/Christian Schwartz/StagSansRound-Light
http://www.christianschwartz.com/stagsans.shtml