Here is the current Texas Ionosonde website for MUF and other solar weather related information for RF Propagation.
https://region6armymars.org/resources/solarweather.php
Thank to Army Mars for providing the website and the scientists and research teams at The University of Texas and University of Massachusetts Lowell Center for Atmospheric Research for providing this valuable resource allowing us to determine the critical frequency (foF2) and maximum usable frequency (MUF).
