Products & Services
FORECAST SOL: Moderate yellow MAG: Normal green ION: Normal green
HomeProducts and ServicesClient SupportHF Radio ClubDaily NAP Charts Wednesday, Apr 24 2024 23:37 UT
Client Support

Daily NAP Charts

HF Radio Club

These are Daily Network Area Predictions (NAP) of communication frequencies for the present day and are based on SWS average maps of the ionosphere.

Follow the steps below to obtain your daily NAP charts.

Step 1: Select a Location

Step 2: Select a Universal Time (UT) Period

Step 3: Display HAP Chart or Clear selections

go to top of page