When I started in this hobby, WWV was in Greenbelt, MD, not too far from where I grew up in the Anacostia section of Washington, D.C. Needless to say, it pounded-in like gangbusters on the G.E. P930 AM/SW portable my parents gave me for my birthday.
However, as with all things, WWV itself could be changing. Here is one possibility:
http://www.lownoiserecords.com/wwv_the_tick.html