An alternative method for deriving daily dynamo electric fields using equatorial ionization anomaly crests

Ching-Chung Cheng, NCU National Central University of Taiwan, Jhongli, Taiwan; Cooperative Institute for Research in Environmental Sciences, Boulder, United States, Jann-Yenq G Liu, Natl Central Univ, Chung Li, Taiwan, Charles Lin, National Cheng Kung University, Department of Earth Sciences, Tainan, Taiwan and Yin-Chen Cheng, NCKU National Cheng Kung University, Tainan, Taiwan