"Total Solar Eclipse Causes Subtle Shift in Global Time Signals and Upper Atmosphere, New Data Reveals"

The total solar eclipse on April 8 subtly shifted the upper atmosphere, altering the frequency of radio waves and affecting the "time signals" transmitted by the WWV radio station. The eclipse caused a Doppler shift in the radio waves, but the digital time codes remained unaltered, ensuring that timekeeping devices were unaffected. Similar frequency shifts were observed in other radio signals during the eclipse, and researchers noted that such shifts also occur naturally due to daily changes in the ionosphere caused by sunlight.