ROHDE & SCHWARZ PROPAGATION WIZARD (Propwiz) DEMO

The Rohde & Schwarz program PROPWIZ is available for download in a free demo version. Munich is hard-coded as the receiving station. Despite this limitation, PROPWIZ is useful for predicting paths into Europe. For other paths, an approximation can be made by entering the great-circle distance between the endpoints, and shifting the time zones accordingly.
To use the program, the relative sunspot number is required. CLICK HERE to obtain it.
CLICK HERE to download PROPWIZ from this site.
Obtain the Solar Flux - updated daily, and believed to be very accurate.