CIMSS 1

1
SSEC/CIMSS Operations Concept

• System Heritage
• System Functional Diagram
• Product Suite
• Production and Distribution Schedule
• Special Operations Addressing Emergency
  Situations
• Operations Staffing and Procedures
• System Maintenance Strategy for Software

2
System Heritage

• SSEC satellite ingestor and interactive system
  experience spans 25 years.
• McIDAS is fielded in US National Weather Service
  offices and International and Private Agencies
  around the world.
• Satellite ingestors run on nearly 90 real time
  systems.
• US Geostationary Satellite Archive System runs
  operationally at SSEC.

3
SDAS Functional Description
Provided by SSEC Powered on UPS
Product Generation Server
POES Flyover
GOES-East
HRPT Ingestor Server
GOES Ingestor Server
Ethernet Hub
IMN Local Users
IMN Ethernet
LAN
UCR CRNet
PTT RACSA Router
Router to Internet
Modem Pool
Internet
Nicaragua
El Salvador
Panama
Belize
Guatemala
Honduras
4
Product Suite

• GOES-East imager real time data
• POES Flyover HRPT real time data

5
GOES-East Real Time Data

• SSEC Desktop Ingestor (SDI) for GOES-8 collects
  the transmitted stretch signal. It is user
  configurable to other GOES satellites, through
  GOES-11 (L).
• All transmitted imager and Block 11 data
• Full resolution data
• All channels (bands)
• Full satellite operations scanning schedule
• Block 11 sounder data are not required or saved

6
GOES Imager Instrument

• Optimal data resolution
• 1 km Visible
• 4 km InfraRed
• 8 km Water Vapor

7
GOES-EastImage Over Central America
InfraRed
Visible
8
POES Flyover HRPT Data

• The SDI for POES HRPT collects the transmitted
  signal. It is user configurable to other NOAA
  satellites, through NOAA-16.
• Ingest NOAA-12, -14 and -15 HRPT
• AVHRR instrument at full resolution, 1km
• TIP instrument
• NOAA-12 HIRS 20km MSU 150km
• NOAA-14 HIRS 20km MSU 150km
• NOAA-15 HIRS/3 20km, AMSU-A 50km,
• AMSU-B 16km

9
NOAA-15 HIRS AVHRR
NOAA-15 HIRS
Three Color Composite AVHRR
10
NOAA-15 AMSU-A AMSU-B
NOAA-15 AMSU-A
NOAA-15 AMSU-B
11
Production and Distribution Schedule

• GOES-East Real Time Schedule
• POES HRPT Real Time Schedule

12
GOES-East Imager ScheduleExample

• 2000 - Schedule ROUTINE - Satellite GOES-8 Imager
  
• Time Activity Duration Coverage
  
• 015 NH 944 CVRAGE 352 976 8173 22020
• CLAT25 NLAT65 W-ELON-.8R .7R
• CLON91 SLAT1 W-ELON133 51
• 
  BAND12345
• 035 HOUSE-KEEP 1000
• 045 NHE 1415 CVRAGE 352 1266 9049 22900
• 
  CLAT13 NLAT65
  W-ELON-.7R .8R
• 
  CLON87 SLAT-22
  W-ELON130 37
• 
  BAND12345
• 102 CONUS 448 CVRAGE 373 815 9249 17752
• 
  CLAT31 NLAT58
  W-ELON-.6R 62
• 
  CLON101 SLAT13
  W-ELON126 77
• 
  BAND12345
• 109 SHS 449 CVRAGE 1256 1563 9049 22900
• 
  CLAT-34 NLAT-21
  W-ELON130 38
• 
  CLON86 SLAT-52
  W-ELON-.7R .8R
• 
  BAND12345

13
POES HRPT Passes
14
POES HRPT ScheduleExample

• date object beacon
  rise tca set el
  geo orbit
• Thu 04May00 NOAA-12 1698.0000 001315
  001806 002228 7 A-W 46593
• Thu 04May00 NOAA-15 1698.0000 002940
  003704 004359 48 A-E 10257
• Thu 04May00 NOAA-15 1698.0000 021118
  021654 022159 10 A-W 10258
• Thu 04May00 NOAA-14 1707.0000 082556
  083212 083758 13 D-E 27541
• Thu 04May00 NOAA-12 1698.0000 092700
  093130 093531 6 D-E 46599
• Thu 04May00 NOAA-14 1707.0000 100505
  101242 101948 42 D-W 27542
• Thu 04May00 NOAA-12 1698.0000 110349
  111122 111826 70 D-W 46600
• Thu 04May00 NOAA-15 1698.0000 112706
  113027 113317 3 D-E 10264
• Thu 04May00 NOAA-12 1698.0000 124825
  125040 125225 1 D-W 46601
• Thu 04May00 NOAA-15 1698.0000 130244
  131021 131727 86 D-E 10265
• Thu 04May00 NOAA-15 1698.0000 144544
  144944 145313 4 D-W 10266
• Thu 04May00 NOAA-14 1707.0000 193912
  194203 194424 2 A-E 27548
• Thu 04May00 NOAA-14 1707.0000 211413
  212202 212921 72 A-E 27548
• Thu 04May00 NOAA-12 1698.0000 220824
  221539 222225 35 A-E 46606
• Thu 04May00 NOAA-14 1707.0000 225743
  230236 230658 6 A-W 27549
• Thu 04May00 NOAA-12 1698.0000 234909
  235525 000112 15 A-W 46607
• Thu 04May00 passes 16

15
Product Generation Workstation

• The Product Generation (PG) Workstation runs
  science algorithms to generate products for
  distribution to RAMSDIS workstations in all
  countries. These tasks are automated.
• Pulls data from GOES and POES servers
• Pulls ancillary data (grids) from Internet
• Serves science products to countries
• 50 GB mirrored disk for science products
• CIRA provides science algorithms

16
Special Operations Addressing Emergency Situations

• Hardware components are supported by an
  Uninterrupted Power Supply (UPS) for
  approximately 15 minutes.
• Antenna chain
• Satellite ingestors and servers
• Disk arrays
• SDAS Hub
• Product Generation workstation and server
• Disks are mirrored on all servers
• Spare hardware components on shelf

17
Operations Staffingand Procedures

• These hardware and software components run
  unattended (without user intervention).
• Satellite ingestors for GOES and POES
• Data delivery to Product Generation Workstation
• ADDE data servers
• Acquisition of POES parameters
• Acquisition of gridded data for PG models
• Generation of science products

18
Operations Staffingand Procedures, cont.

• Computer operators monitor satellite ingestor
  activities, such as signal status displayed on
  the SDI monitor.
• Image start time
• Image coverage
• Bit slips
• Bit errors
• Loss of sync pattern

19
Operations Staffingand Procedures, cont.

• Typical SDI console messages
• gvar.2000.118.154529error
• gvar.2000.118.154521 no sync
• gvar.2000.118.154525 no sync
• Initial sync at 93651 on pattern 13 301
• gvar.2000.118.154529error
• gvar.2000.118.154529error
• New image gvar.2000.118.154514.INDX. Names ALL
  CONUS NH
• New image gvar.2000.118.160143.INDX. Names ALL
  CONUS
• gvar.2000.118.160453bit slip
• New image gvar.2000.118.160923.INDX. Names ALL
  SH
• New image gvar.2000.118.161514.INDX. Names ALL
  CONUS NH
• gvar.2000.118.162118bit slip
• gvar.2000.118.162122bit slip
• New image gvar.2000.118.163143.INDX. Names ALL
  CONUS
• New image gvar.2000.118.163923.INDX. Names ALL
  SH

20
Operations Staffingand Procedures, cont.

• Other operational events to monitor
• Navigation for POES ingestor and tracking antenna
• Collect parameters daily from Internet site
• Verify navigation predictions were updated
• Peaking the antenna signal strength

21
System Maintenance Strategy for Software

• IMN membership in the McIDAS Users Group (MUG)
  for satellite ingestors
• SDI and McIDAS software upgrades
• Hardware consultation and guidance (Help Desk)
• User training
• SDI and McIDAS documentation in English
• Annual MUG fees maintain membership
• Help Desk staffed 7A.M. to 11 P.M. CDT M-F
• http//www.ssec.wisc.edu/mug/

22
System Maintenance Strategy for Antenna Chain

• GOES POES antenna chain
• Monitor satellite signal strength and peak signal
  as necessary
• IMN staff troubleshoot hardware
• Contact SSEC for assistance
• IMN staff swap in spare components
• When spare is used, ship broken component to
  manufacturer for repairs

23
System Maintenance Strategy for Workstations

• Satellite Ingestors and Servers
• Spare hardware components are on shelf
• SDI computer with card
• 50 GB disk
• Ethernet hub
• Provide remote user access to workstations to
  facilitate SSEC/CIMSS troubleshooting

24
System Functional Description

• GOES Data Reception
• POES Data Reception
• Data Storage and Retrieval
• Data Distribution Internet Connections

25
SDAS Design in Costa Rica
Provided by SSEC Powered on UPS
IBMNetfinity3000
10/100 Mb
POES Flyover
GOES-East
GOES-8 SDI
POES HRPT SDI
AlliedTelesyn8 port hub
IMN Local Users
IMN Ethernet
LAN
UCR CRNet
PTT RACSA Router
IMN Router
Modem Pool
Internet
Nicaragua
El Salvador
Panama
Belize
Guatemala
Honduras
26
GOES Data Reception

• GOES-East ingestor computer, SDI
• Includes ingestor and McIDAS ADDE server
• System is configurable to other SDI types (e.g.,
  POES, GOES-West)
• Ethernet connection to SDAS hub

27
GOES Antenna Chain
LNA Downconverter
Existing 4.5m Mesh Antenna
PSK Demod Comstream CM701
SSEC Power Supply Signal Splitter
GOES Ingestor (SDI)
Clock
Data
Antenna Chain is Connected to UPS
Systems West
SDAS Ethernet Hub
SSEC/CIMSS Components
IMN LAN To Internet
Existing Components
28
POES Data Reception

• POES Flyover ingestor computer, SDI
• Includes ingestor, McIDAS software, and ADDE
  server
• Ethernet connection to SDAS hub
• System is configurable to other SDI types (e.g.,
  GOES-East, GOES-West)
• Vendor software and hardware
• Pass conflict resolution
• Antenna positioning computer

29
POES Antenna Chain
SDAS Ethernet Hub
IMN LAN To Internet
Satellite Signal
1.5m Mesh motorized Antenna
Demodulator Antenna Positioning Computer
POES Ingestor (SDI)
Clock
Antenna Positioning control
Data
Monitor Keyboard
Antenna Chain is Connected to UPS
SSEC/CIMSS Components
30
Satellite Data Storage

• GOES and POES satellite signals are ingested and
  written to disk in real time.
• Data are stored in 1 MB files similar to raw
  format
• Servers format raw files into images on-the-fly
• Data saved to disk is user configurable
• 3 days GOES data stored on mirrored SDI disk
• 40 days of POES data stored on mirrored SDI disk
• Temporal resolution (image time sampling)
• Spatial coverage and resolution

31
Data File Format

• GOES, POES and Product file format
• Imagery is stored in McIDAS Area format
• Data are compatible with RAMSDIS
• Data are navigated and calibrated
• Users or scheduled events massage data
• Image sub-sectioning
• Pseudo-coloring or enhancements
• Error correction

32
GOES POES Data Volume

• Data volumes are approximate and based on full
  resolution imagery including all scanning
  schedules or passes.
• POES figures represent data collected for one of
  three possible satellites.

33
SSEC/CIMSS Desktop Hardware Components
Product Generator Netfinity50 GB Mirrored Disk
GOES-East
POES Flyover
10/100 Mb
Ethernet
GOES SDI Netfinity50 GB Mirrored Disk
HRPT SDI Netfinity50 GB Mirrored Disk
Allied Telesyn8 Port Ethernet Hub
To IMN LAN
34
Satellite Data Retrieval

• Data are retrieved from on line disk storage
• Data retrieval processes are automated
• Users can manually move and request data
• Three data servers available to all Countries
• GOES real time data server on GOES SDI
• POES real time data server on POES SDI
• RAMSDIS products served on Product Generation
  Workstation

35
Abstract Data Distribution Environment (ADDE)

• Real time data and science products are served
  via the McIDAS Abstract Data Distribution
  Environment (ADDE).
• A McIDAS client/server environment
• RAMSDIS compatible
• Files compressed and sub-sectioned on-the-fly
• Users can display data scan line by scan line
  while data are ingesting GOES imagery

36
Data Distribution Internet Connections

• Network, modems and Internet connection
• Existing IMN LAN WAN are used
• SDAS Ethernet Hub connects SDIs and Product
  Generation PC to IMN LAN
• Servers on GOES POES SDI and Product Generation
  PC
• Users access each workstation as needed via ADDE

37
Internet Data Sources

• Some data do not have a local data source and are
  collected from a reliable Internet source.
  Pulling these data is automated.
• POES orbital parameters for antenna positioning
  and image navigation
• Grids for CIRA product generation

38
Hardware Configuration

• IMN Hardware Configuration

39
GOES Data Reception
40
POES Data Reception
41
Product Generation Workstation

• Generates products using CIRA algorithms
• Ethernet connection to SDAS hub

42
Uninterrupted Power Supply

• UPS Powerware 9 Prestige 2000 EXT
• Protection against
• Power failure, brownout, sag, surge, high voltage
  spike, line noise, harmonic distortion
• Approximately 15 minutes of alternate power
• Provides a smooth transition to IMN generator
• Extended warranty available

43
Software Issues

• Commercial Software Requirements
• Operational User Interfaces
• Data Inventory Strategy

44
Commercial Software Requirements
45
Operational User Interface

• McIDAS software offers a command line and
  Graphical User Interface.
• Graphical User Interface
• Command line
• Event scheduler
• Automated scripts
• Unix operating system

46
Data Inventory Strategy

• All data are stored on line
• Data and products are named sets on the ADDE
  server (no user intervention)
• Data is accessible by data type, day, time, and
  coverage

47
Training

• Provide one week of training for two IMN staff at
  SSEC before installation
• On-site operations training during installation
• SDI operations (connecting, starting, stopping)
• Monitoring data ingest console output
• Monitoring product generation
• Changing failed disks in mirrored disk array
• Updating POES navigation files
• Antenna control and signal peaking

48
Other Issues

• Shipping
• System Installation
• System Testing
• Acceptance Testing
• Risk Mitigation
• Sustainability After 2001

49
Shipping

• Pending Issues
• Costa Rican customs regulations
• Defining lead time needed for shipping
• Clarifying handling and storage of components
  prior to installation

50
System Installation at IMN

• The SSEC/CIMSS components will require 7-10 days
  for installation and testing.
• POES GOES antenna installation
• Local help needed
• SDI and server installation
• Overlap with CIRA staff
• End to end system testing

51
System Testing

• Configure system at SSEC/CIMSS testing all
  components
• Test Product Generation Workstation with CIRA
  algorithms
• Test system loading
• Test scheduled events
• Test limitations, such as full disks, etc.
• Invite users to access data remotely
• End to end system testing at IMN

52
Acceptance Testing

• Suggestions for acceptance testing at IMN
• GOES and POES data ingest
• ADDE servers performance and loading
• Product generation
• LAN access to data sets
• Remote access via Internet modem
• POES navigation predictions
• Antenna tracking

53
Risk Mitigation

• Suggestions for a successful system integration
• Test system at SSEC/CIMSS before shipping
• Provide remote access to data before shipping
  system
• Train IMN staff at SSEC/CIMSS before installation
• Provide remote access to IMN network
• Involve IMN staff with system installation
• Maintain MUG membership
• Spare components as practical
• End to end system testing at IMN

54
Sustainability after 2001

• The SDAS architecture is drawn from 25 years of
  McIDAS and satellite ingestor experience. The
  system includes widely used and robust
  components.
• Join the International TOVS working group
• Maintain MUG membership for software maintenance
  and hardware consulting
• Stay current with software upgrades
• Maintain regular contact through MUG CIRA
• Plan periodic return site visits and follow up
  training
• Maintain spare components in good order