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Monday, October 23, 2017

Change in Satellite Broadcast Network


Effective on or about January 16, 2018, the SES-1 satellite will no longer provide data to the NWS Satellite Broadcast Network (SBN). Data will become available from the Galaxy 28 satellite (G-28) by early December, before discontinuing the broadcast from SES-1. In addition, the location of the Master Ground Station (MGS) will move to Holmdel, NJ; the Backup Master Ground Station (BMGS) will remain in Fairmont, WV. These changes are a result of the transition to Signal Mountain as the new NWS SBN communications support subcontractor under Raytheon, the Prime Contractor for the Advanced Weather Interactive Processing System (AWIPS).

The downlink antennas at all receiving site ground stations (SGS) will need to repoint to G-28 to accommodate this transition. Users should not need new equipment to continue receiving NOAAPORT data once the antenna has been adjusted.

Important specifications are below:

Galaxy 28 Satellite Location (new): 89 degrees West FEC Type: DVB-S2
Polarity: Vertical/Right
Band: High, C-Band

The changeover from SES-1 to G-28 will occur in several phases to ensure a smooth transition that maximizes the amount of time with satellite backup coverage. The date of the initial broadcast from G-28 is still being finalized. Additional information and specific dates will be provided in the coming weeks in the form of subsequent Service Change Notices.

If NOAAPORT users experience problems with service during the satellite transition period, please contact James Calkins and Kevin Conaty at NWS Headquarters.

Kevin Conaty
    NOAA/NWS Office of Central Processing
    Silver Spring, MD 20910
    Email: Kevin.Conaty@noaa.gov

James Calkins
    NOAA/NWS Office of Central Processing
    Silver Spring, MD 20910
    Email: James.Calkins@noaa.gov

NWS AWIPS sites experiencing service problems should contact the Network Control Facility.

AWIPS Network Control Facility (NCF) Help Desk
    NOAA/NWS Office of Central Processing
    Silver Spring, MD 20910

NWS National Service Change Notices are online at:


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