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HomeProducts and ServicesClient SupportEMCOMNETDaily HAP Charts Sunday, Apr 23 2017 09:56 UT
Client Support

Daily HAP Charts

These are Daily Area Predictions 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 HAP charts.

Step 1: Select a Location

Step 2: Select a Universal Time (UT) Period

Step 3: Display HAP Chart or Clear selections

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