A 5 MHz propagation research project in South Africa has encountered some unexpected results regarding near-vertical incidence skywave (NVIS) propagation on that band. The project is a joint venture between the South African Radio League (SARL) and the Kempton Park Amateur Radio Technical Society, where one 5 MHz beacon has been installed. An interesting, but tentative, finding was inconsistent…
American Radio Relay League | Ham Radio Association and Resources
