Goes 8 to goes 12 transition
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GOES-8 to GOES-12 Transition. Direct Readout Conference Cindy Hampton NESDIS/Office of Satellite Operations. Agenda. Background Operational Transition Requirements Schedule Start Up Activity Product Transition Issues and Concerns. Background. GOES-8 Launched April 13, 1994

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GOES-8 to GOES-12 Transition

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Goes 8 to goes 12 transition

GOES-8 to GOES-12 Transition

Direct Readout Conference

Cindy Hampton

NESDIS/Office of Satellite Operations


Agenda

Agenda

  • Background

  • Operational Transition Requirements

  • Schedule

  • Start Up Activity

  • Product Transition

  • Issues and Concerns


Background

Background

  • GOES-8 Launched April 13, 1994

  • GOES-8 Last Inclination maneuver: December 2002

    • Partial maneuver due to amount of fuel remaining

    • Inclination requirement exceeded in April 2003: + 0.5 degrees

  • GOES-12 launched in July 2001 and currently in storage mode at 105W.

GOES-8

Sept 2, 1994


Operational transition requirements

Operational Transition Requirements

  • Minimal impact to users: no requirement to re-point GVAR antennas

  • Provide sufficient testing period to evaluate GOES-12 performance by OSDPD, OSO and users

  • Maintain continuous GOES-12 GVAR once has returned to normal on-orbit mode.

  • A single switch for users from GOES-8 to GOES-12 GVAR

  • Minimize RF interference during transition


Socc schedule

SOCC Schedule

  • Return GOES-12 to On-orbit mode: January 9

  • Perform GOES-12 yearly north-south maneuver: January 14

  • Start GOES-12 Eastward Drift from ~110W towards 75W (~0.4 deg per day): January 17

  • Turn on Solar X-Ray Imager (SXI) High Voltage Power Supply and begin Imaging: January 21

  • Perform Image Navigation and Registration (INR) Recovery: January 20-24

  • Provide GVAR for user testing during drift: January 24-March 31


Socc schedule1

SOCC Schedule

  • GOES-12 reaches ~ 81W: March 31

    • Perform swap of GOES-12 GVAR data for GOES-8 as GOES-East using GOES-8 GVAR transponder.

      • GOES-8 data would be available as backup via a ground patch.

      • Continue GOES-8 – normal housekeeping schedule

  • GOES-12/GOES-8 Cross Over: April 20


Socc schedule2

SOCC Schedule

  • Stop GOES-12 drift at 74.5W: April 22

    • Communication Services switch over (e.g. WEFAX, EMWIN, DCS, SARSAT)

  • Start GOES-8 westward drift maneuver towards 105W: April 24

    • GOES-12 Imagery outage for ~2 hours due to RF command interference. GOES –10 Full Disk


Start up activity january 9 24

Start Up ActivityJanuary 9-24

  • Scan Mirror Contamination Avoidance

  • Outgassing if required

  • Radiometric Calibration with ORA

  • INR Start up

  • SXI High Voltage Turn On

    • Scanning with sun by slewing solar array


Goes 12 product testing

GOES-12 Product Testing

  • Products previously tested during NOAA Science Test Held from September 23, 2001 through October 27, 2001

    • Change in imager resolution and spectral bands resulted in more extensive product implementation and testing

      • 4km Channel 5 (12.0 µm) replaced with 8km Channel 6 (13.3 µm)

      • Resolution on Channel 3 (6.7 µm) improved from 8km to 4km

    • GOES-12 data continued through December 16, 2001

    • Data ingested and products created and tested in conjunction with ORA (Office of Research and Applications)

    • GOES-12 placed in storage December 20, 2001


Ingest capability prior to 03 31 03

Ingest Capability – Prior to 03/31/03

  • Imager and sounder data to be made available

    • NESDIS – SSD, ORA

    • NWS – NCEPs, N-AWIPS, AWIPS (test bed)

  • External users will be able to access GVAR data directly from GOES-12 prior to March 31, 2003

    • NCEP - AWC, TPC via own antennas

    • Private companies – i.e. WSI, AccuWeather

    • Other Direct Readout Customers


Product readiness

Product Readiness

  • Primary NWS Usage – AWIPS

  • AWIPS Readiness

    • Successful stream testing during NOAA Science Test with NWS Test Network Control Facility (TNCF – McLean, VA)

    • All AWIPS builds can handle GOES-12 Changes

    • Plans for additional final testing during move of GOES-12 prior to March 31, 2003


Product readiness1

Product Readiness

  • GOES Products Ready Include:

    • Winds, Radiances, Imager and Sounder ASOS SCP (Automated Surface Observing System Satellite Cloud Product), AutoEstimator, Sounder DPI (Derived Product Imagery), Remapped Imagery: AWIPS, N-AWIPS and McIDAS (Man computer Interactive Data Access System), WEFAX / LRIT, SST (Sea Surface Temperature), CSBT (Clear Sky Brightness Temperature, experimental)

  • GOES Products Discontinued Due to Band 5 to 6 Changes:

    • Imager DPI, and some volcano products

      • All used internally within SSD. Replacement products available

  • GOES Products Planned Readiness:

    • GSIP (GOES Solar Insulation Product) code by Dec from ORA

    • ABBA (Advanced Biomass Burning Algorithm) code by Dec from CIMSS


Goes 8 to goes 12 transition

Eclipse Season

GOES 8 Drift to 105W

Jan

Feb

Mar

Apr

May

Jun

GOES 8 to 12 Transition

G12 Station Δ, ~0.40 deg/day (~75 days)

SXI

Turn

On

1/21/03

Swap

GOES 8

GVAR

With GOES 12

3/31/03

G12 Return

To On-Orbit

Mode

1/9/03

Provide

GVAR

For Test

1/24/03

GOES 12

Reaches 75W

4/22/03

Delivery of Winds & Radiances

Products by 02/14/03

All GOES-12 Products Tested and Validated 03/07/03

All GOES - East Products Produced from GOES-12 03/31/03

Comm

Services

Switched

To GOES-12

4/22/03

Additional AWIPS Testing


Goes 8 to goes 12 transition

For more information:

GOES-8 to GOES-12 Transition Plan

http://www.oso.noaa.gov/goes/index.htm


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