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HomeProducts and ServicesClient SupportSFO ArincDaily HAP Charts Saturday, Dec 10 2016 22:16 UT
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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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