ATIS Telecom Glossary
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diurnal phase shift
The phase shift of electromagnetic signals associated with daily changes in the ionosphere. Note 1: The major changes usually occur during the period of time when sunrise or sunset is present at critical points along the path. Note 2: Significant phase shifts may occur on paths wherein a reflection area of the path is subject to a large tidal range. Note 3: In cable systems, significant phase shifts can be occasioned by diurnal temperature variance.

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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