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EMWIN Software

Radio and satellite broadcasts are two methods used by the NWS and others for disseminating the EMWIN datastream. To receive this data, hardware and software is needed. See the technical information for further details, a list of Radio Broadcast Areas, and a list of Commercial Vendors for EMWIN software and hardware.

To receive data via EMWIN, be aware that you need to:

        Be in an area with an EMWIN radio broadcast, or

        Have a satellite downlink, or

        Be connected to the Internet

Note: Commercial software is available for most versions of Windows.


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