As of 2023-03-15, the AK4ZX HF Gateway in Chattanooga, TN, has returned to service after a hardware failure. The gateway appears to be operating normally and station logs show successful connections are now occurring. 'Sorry for the inconvenience but the recent storms here affected our station equipment. Thank you.
... after a quick and dirty repair. Lost a few meters of wire, but it works. Will change antenna wire to a better one after winter and stormy season.
73 Ralf DF6RK