https://spaceweatherarchive.com/2021/02/16/ham-radio-signals-from-mars/ 73, Kim N5OP -- Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP SEL/MEL/Glider, N5OP, 2nd Class Radiotelegraph, GROL) /"A great second violinist plays second fiddle to no one." //– Robert C. Marsh, Chicago Sun-Times./