The GOES-18 HRIT/EMWIN West broadcast utilizes virtual channels for the transmission of
several simultaneous data streams. The table below identifies the current
virtual channels assignments. 

    HRIT/EMWIN
Virtual Channel ID     Group          Product Name
------------------    -------    -------------------------------
        0              Imagery     Admin Text Messages
        1             *Imagery     Mesoscale 0.5 – 2km (ch. 2, 7 and 13)
        2             *Imagery     Band 2 - Visual                                                                
        7             *Imagery     Band 7 - Shortwave Infrared
        8             *Imagery     Band 8 – Mid-Level Tropospheric Water Vapor
        9             *Imagery     Band 9 – Upper-level Tropospheric Water Vapor
       13             *Imagery     Band 13 – Clean Longwave Infrared
       14             *Imagery     Band 14 – Infrared Longwave 
       15             *Imagery     Band 15 – Dirty Longwave Infrared  
       16             *Imagery     Band 13 – GOES-19 4km Clean Longwave Infrared     
       20              EMWIN       High Priority
       21              EMWIN       Graphics
       22              EMWIN       Low Priority
       24              Imagery     NHC Graphics Products
       25             *Imagery     Other GOES-18 Level II Products
       30              DCS         DCS Admin
       32              DCS         DCS Data                                                                               
       60              Imagery     Himawari-9 4km Infrared, Water Vapor and Visual


*NOTE* - Data Quality Flags are not made available for any of the GOES Imagery products.

For additional broadcast information or questions please visit https://www.noaasis.noaa.gov/ or contact the
HRIT/EMWIN Broadcast Manager at hrit.manager@noaa.gov.