GOES Data Collection System (DCS) in the GOES R Era

1
GOES Data Collection System (DCS) in the GOES R
Era

• William E. Brockman
• Short Associates, Inc.

2
What is GOES DCS

• Data Relay System Used for Transmission from
  Ground-Based Sensors through Satellite to
  Receiving Station.
• Carried on board NOAA Geostationary satellites
  since 1970s.

3
Current Performance

• Number of Platforms - 20,000
• Observation Period 6 hours
• Message Size 200 bytes
• Data Throughput 100/300/1200 selectable

4
Current Users

• Domestic and international government agency
  users exclusively. Principal users are
• NOAA line Offices
• U.S. Geologic Survey
• Army Corps of Engineers
• USDA Forestry Service
• National, State, and Canadian Fire Agencies
• Bureau of Land Management
• National, State, and local water resource
  agencies
• International Hydromet Services

5
Requirements Process

• Surveyed current and potential users requesting
  statements of requirements for GOES R era
• Organized requirements into spreadsheet and
  database
• Validated of requirements by interview and formal
  review process

6
Requirement Parameters

• DCP Type
• DCP Owner
• DCP User Priority
• Level
• Geographic Coverage
• Number of Platforms
• Transmissions/platform

• Message Size
• Data Throughput Rate
• Data Latency
• Accuracy (Transmission Timing)
• Accuracy (error rate)
• Notes
• Source

7
Observation Categories

• In the Water
• On the Surface of the Water
• On Land
• In the Atmosphere
• Other Services

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Observing in the Water

• Fish Counting Platforms
• Stream/River Gauges
• Water Quality Monitors

9
Observing on the Water

• CMAN Stations self-timed
• Drifting Buoys
• Dynamics of Earth and Ocean Project (DEOP)
• Flood Gauges (Stream/River Gauges)
• Moored Buoys interrogate

• Moored Buoys self-timed
• Shipboard Wx Obs Platforms
• Tide Gauges
• Tsunami Warning Stations
• Tsunami Warning Stations (moored buoys)

10
Observing on Land

• Fire Monitoring Stations
• International Climate Reference Network
• Rain Gauges
• Seismic Monitors
• U.S. Climate Reference Network
• Volcano Monitors
• Weather Observing Platforms

11
Atmosphere Observing

• Aircraft RADAR
• Aircraft Observations
• Air Quality Monitors
• GPS Met
• Rawinsonde

12
Other Services

• In support of NOAA Ships
• E-mail
• Internet / Intranet
• NAV / Safety / Security
• Quality of Life / Entertainment
• In support of Marine Sanctuaries
• Telepresence

13
Numbers of Platforms
Categories Threshold Objective
Under Water 16,200 30,400
On Surface of the Water 20,100 39,500
On Land 50,100 79,500
In the Atmosphere 2,600 8,500
Other Services lt100 lt100
Total 89,000 158,000
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Typical Performance Requirements

• Threshold
• Message Size
• gt200B 72
• gt300B 21
• Transmission Frequency
• 15min 67
• 60min 30
• Data Throughput Rate
• 100/300/1200b 96

• Objective
• Message Size
• gt1000B 31
• gt2000B 64
• Transmission Frequency
• 5min 38
• 15min 58
• Data Throughput Rate
• 100/300/1200b 51
• 9600b 47