In article ,
George S. Thurman wrote:
I am curious if station sign-on and sign-off announcements are required by
the FCC ?

Yes. 47 CFR 73.1201(a)(1).

-GAWollman

--
Garrett A. Wollman | As the Constitution endures, persons in every
| generation can invoke its principles in their own
Opinions not those of| search for greater freedom.
MIT, LCS, CRS, or NSA| - A. Kennedy, Lawrence v. Texas, 539 U.S. ___ (2003)