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AWIPS NEXRAD ORPG Interface - PowerPoint PPT Presentation


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AWIPS NEXRAD ORPG Interface. Lowell Schaffert. Standalone ORPG. Host the ORPG software on a standalone system. RSA ORPG to BDDS (level II data), refer to Figure 1 (a & b) This is an internal NWS interface This is a serial binary data stream using a TCP/IP socket

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standalone orpg
Standalone ORPG
  • Host the ORPG software on a standalone system.
  • RSA ORPG to BDDS (level II data), refer to Figure 1 (a & b)
    • This is an internal NWS interface
    • This is a serial binary data stream using a TCP/IP socket
      • Constant socket connection with basically continuous data transfer, magenta line
    • ORPG initiates the socket connection to the BDDS, green line
standalone orpg cont
Standalone ORPG, Cont.
  • DS-1 (AWIPS file server) to RSA ORPG (level III data) connection (the public side of the ORPG) refer to figures 2 (ER) and 3 (WR)
    • Need a well-known, agreed to port number
    • Protocol - raw TCP/IP socket
    • DS-1 initiates the socket connection to the ORPG system, green line
    • The data is transmitted between DS-1 and the ORPG system on this socket, magenta line
      • Data product requests from DS-1 to ORPG system
        • There is a listen port on the ORPG
      • Data products from ORPG system to DS1, level III data
      • This is a serial binary data stream using a TCP/IP socket, constant socket connection with basically continuous data transfer
      • You may also send a request for a one-time data product to the ORPG.
standalone orpg cont1
Standalone ORPG, Cont.
  • DS-1 to RSA ORPG (level II data for the model cluster), refer to figures 4 (ER) and 5 (WR)
    • Need a well-known, agreed to port number
    • Protocol - raw TCP/IP socket
    • DS-1 (BDDS Reader) initiates the socket connection to the ORPG system, green line
    • The level II data is transmitted from the ORPG system to DS-1 (BDDS Reader) on this socket, magenta line
      • Permanent connection after the initial request to send data products (RPS list) and alert request from DS1 to ORPG.
      • This is a serial binary data stream using a TCP/IP socket, with basically continuous data transfer
      • The Model Server gets the level II data from DS-1, blue line