The definitions of the variables used in the analytic phase screen model.
|Φ0||The amplitude of the phase variation||rad Hz|
|d||The length scale of the TID (wavelength Λ divided by 2π)||m|
|z||The distance from phase screen to observer||m|
|v||The TID propagation velocity||ms−1|
|Δθ||The source angular size||rad|
|α||The phase gradient of the background ionosphere||rad Hz m−1|
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