Abstract
The high‐latitude sections of the Wideband ionospheric scintillation model (WBMOD) have been upgraded extensively, based on analysis of scintillation data from the Defense Nuclear Agency Wideband, HiLat, and Polar BEAR satellite‐beacon experiments. Data collected at Sondre Stromfjord, Greenland; Tromso, Norway; Fort Churchill, Canada; and Bellevue, Washington (United States) over a 4‐year period were analyzed, and the results of these analyses were used to construct a completely new model for the behavior of the height‐integrated irregularity‐strength parameter (CkL) at high latitudes. The new high‐latitude CkL model includes variations with sunspot number, geomagnetic activity (Kp), latitude, local time, longitude, and season. The new WBMOD CkL models (equatorial and high‐latitude) have been implemented in a more versatile code, denoted SCINTMOD, which has the capability to generate a wide range of user‐controlled maps of scintillation effects over large spatial areas. Examples of the types of graphical output that SCINTMOD can generate are presented.
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