A change in the phase of the received signal during a total solar eclipse on 31 July 1981 is considered. Theexperimental data were obtained from the phase of the signals received by the Omega radio navigation system. The distribution path captures both the auroral oval and the mid-latitude zone. https://www.roneverhart.com/Tc-Electronics-M350-Multi-Effects-and-Reverb-Processor-M350-p36058/