Today July 12th, WWV lead electrical engineer Matt Deutch N0RGT told the ARRL that it had changed its antenna from its standard vertical antenna, to a circular polarized turnstile antenna. on its 25.0 MHz (2kW) Boulder Colorado transmitter. Reception reports are wanted. You can view the article at:
I can just barely hear the 25 MHz WWV signal as I type this at 1720 UTC, while listening with a Cushcraft MA5B beam antenna pointed in a westerly direction. The signal is just about unreadable at my location south of Pittsburgh, Pa.