TY - GENERIC DO - 10.20944/preprints202002.0253.v1 UR - http://dx.doi.org/10.20944/preprints202002.0253.v1 TI - Total Electron Content Variation Over HALY (Al-Jouf), Saudi Arabia and Comparison with IRI-2012 and IRI-2016 Models T2 - Preprints AU - Sharma, Sunil PY - 2020 DA - 2020/02/18 PB - Preprints