Huang, Yinn-NienYinn-NienHuang2009-02-042018-07-062009-02-042018-07-061974-10http://ntur.lib.ntu.edu.tw//handle/246246/120521en-USComparisons Between the Observed Total Electron Content Equatorial Anomaly and That Predicted by the IRI-90 Model Around 120?E Longitudejournal article