Daily HAP Charts
These are Daily Area Predictions of communication frequencies for the present UT day and are based on SWS average maps of the ionosphere and the SWS forecast daily T index.
Follow the steps below to obtain your daily HAP charts.
These are Daily Area Predictions of communication frequencies for the present UT day and are based on SWS average maps of the ionosphere and the SWS forecast daily T index.
Follow the steps below to obtain your daily HAP charts.