WWV Broadcast Outages

[Sean Donelan <sean () donelan com>]

If any network operators still use WWV for time synchronization.

Due to an electrical up-grade, Radio Station WWV will be off the air on 
all frequencies on February 21 and 22, 2017. The outages will occur 
between 7:00 AM and 5:00 PM Mountain Standard Time, and will not exceed 8 
hours in duration each day.

https://www.nist.gov/pml/time-and-frequency-division/time-services/wwv-broadcast-outages