User Systems -
Interactive Processing System (AWIPS):
AWIPS Narrowband Communications to the RPG
All Advanced Weather Interactive Processing System (AWIPS) sites with co-located Radar Product Generators (RPGs) have a dedicated Transmission Control Protocol/Internet Protocol (TCP/IP) connection from the AWIPS Local Area Network (LAN) to the RPG LAN. For NWS sites with Master System Control Function (MSCF) control of DoD or FAA radars, AWIPS connects to those RPGs by a Frame Relay circuit. Details on controlling these connections are provided in DLOC Topic 6. All AWIPS sites can also access non-dedicated RPGs using the One-Time Request (OTR) and Radar Multiple Request (RMR) process through the AWIPS WAN.
AWIPS both receives and sends data to dedicated RPGs through the Product Distribution (sometimes called Narrowband) Communications lines. AWIPS data servers transfer Rapid Refresh (RAP) model data to the RPG. In doing so, users can automate the computation of RPG algorithm inputs that require environmental data (e.g., the Hail Detection Algorithm and the Environmental Wind Table).
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