Report: California Earthquakes Disrupted HF Propagation on West Coast

British Columbia radio amateur Alex Schwarz, VE7DXW, said that an Independence Day magnitude 6.4 earthquake in California’s Mojave Desert and multiple aftershocks negatively affected HF propagation on the US west coast. Schwarz, who maintains the “RF Seismograph” and has drawn a correlation between earthquake activity and HF band conditions, said the radio disruption began at around 1600 UTC on…

Source: ARRL News
Link: Report: California Earthquakes Disrupted HF Propagation on West Coast