I haven't picked up either WWV or WWVH for the last few months on 20MHz
but I was able to do it today.

At around 18:00 UTC today, which is 10:00 AM my time.

20 MHz WWV weak and WWVH not at all.
15 MHz WWV strong and WWVH a little weaker.
10 MHz WWV and WWVH strong.
5 MHz WWV weak and WWVH not at all.

I don't understand the 5 MHz result as I would expect that WWVH would
have been stronger at that time then WWV.

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Telamon
Ventura, California