TY JOUR TI A quiet day empirical model of electron density in the Indian equatorial F-region KW equatorial ionosphere; modeling; solar activity cycle; mathematical and numerical techniques. JO Solnechno-Zemnaya Fizika AU Chamua, M.. AU Bhuyan, P.. AU Bhuyan, K.. PY 2023 IS 9 PB INFRA-M Academic Publishing LLC.