The suggested reciprocal relationship between maximum, minimum and optimum usable frequency parameters over Iraqi Zone
By: Hadi, Khalid Abd al-Karim; Abd al-Karim, Marwah Dawud. Baghdad Science Journal. Vol. 17, no. 3 (Supplement) (Sep. 2020), pp.1058-1070, 13 p.
Subjects: Ionosphere; Polynomials; Radio waves; Regression analysis; Transmitter stations