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NOAA COMMAND AND DATA ACQUISITION STATION

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NOAA COMMAND AND DATA ACQUISITION STATION. DCS POINT OF CONTACT. WCDA Station’s first point of contact for help is the DCS Help Desk at 757-824-7450 or 7451 Email is [email protected] with copies to [email protected]

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dcs point of contact

DCS POINT OF CONTACT

WCDA Station’s first point of contact for help is the DCS Help Desk at 757-824-7450 or 7451

Email is [email protected] with copies to [email protected]

Contact Phil Whaley at (757) 824-7331 or Al McMath at (757) 824-7316

Wallops supports 24/7 operations

dcs configuration
DCS Configuration
  • Wallops now supports demods for two complete spacecraft (120 channels each)
  • One spare drawer on site (40 channels)
  • To date three demod failures
  • Preliminary testing has been conducted on the 100/300 baud concept (using the spare demods).
wallops lrgs configuration
Wallops LRGS Configuration
  • The demodulators for both East and West continue to feed the LRGS directly.
  • This means that the primary LRGS (cdadata) is not dependent on DAPS. Use this as primary.
  • The receive site (drot) gets its data from the DOMSAT downlink which is heritage DAPS data.
  • We now have a third site (cdabackup).
  • Wallops supported the STWIG sub-committee considering LRGS configuration, distribution, etc.
  • Sites and IPs:
    • http://cdadata.wcda.noaa.gov (205.156.2.174)
    • http://drot.wcda.noaa.gov (205.156.2.186)
    • http://cdabackup.wcda.noaa.gov (205.156.2.189)
lrit status
LRIT Status
  • LRIT traffic to Suitland is dependent on the Internet
  • Transfer of data to Suitland continues to be a “double” single point failure
  • LRIT data is returned to Wallops via T-1 lines. LRIT is an advantage to international users because DOMSAT is limited to CONUS.
  • LRIT now has full East/West data streams
  • An automatic re-transmission (one time) has been implemented.
  • 1 meter antenna receives full LRIT stream
  • There are no re-occurring costs associated with LRIT reception.
current spacecraft status
Current Spacecraft Status
  • GOES-12 remains primary (75) for East
  • GOES-11 has been transitioned as primary West (135) spacecraft
  • GOES-10 is positioned (60) for the South American mission. Imagery operations began in Nov 06
  • GOES-9 was de-commissioned on 14 Jul 07
  • GOES-13 was tested and placed in storage. It was brought out of storage in July 07 for testing.
  • GOES-O launch is scheduled for Summer 08.
wallops backup
Wallops Backup
  • A second pilot remains active (channel 0) at the WBU. The frequency is 401.7MHz.
  • Wallops staff has remote control/status capability of the WBU systems including the pilot from Wallops.
domsat frequency change
DOMSAT Frequency Change
  • The final transition to the new DOMSAT frequency was June 13, 2007
  • New frequency is 11,817.5Mhz.
  • All other parameters (pointing angles, modem settings, etc.) remain the same.
  • Transition went smoothly.
slide10
DAPS
  • Wallops has experienced data base issues (mid November). Updates had to be re-entered.
  • DAPS-B is now primary and has been since November.
  • Still supporting telnet (205.156.2.173/178)
  • Working with OSDPD in the migration to 300/1200 baud channels.
  • The Weather Service link has been transitioned to the MPLS (8 Jan 08). We are seeing fewer dropouts.
  • Wallops Operations verifies the DCS pilot daily.
  • No problems during the end-of-year transition.
goes 12 anomaly
GOES-12 Anomaly
  • A North/South maneuver in November resulted in an anomaly of GOES-12.
  • A leak in a thruster line resulted in the spacecraft being out of service for more than a week.
  • During this time GOES-10 was used for DCPR
  • In addition EMWIN and LRIT products were transmitted through GOES-10
dadds
DADDS
  • The DCS Alternate Data Distribution System (DADDS) provides a separate means to distribute data from the demods should DAPS A & B fail.
  • Testing was conducted at Wallops Oct 07.
  • The system has been used on an as-needed basis.
  • Currently DADDS will support NWSTG and DOMSAT traffic.
  • Training for Wallops Operations staff is scheduled for the week of 4 Feb.
multiple data sources
Multiple Data Sources
  • We currently support-
    • DOMSAT (primary)
    • LRGS (cdadata, cdabackup, drot)
    • Telnet (data base updates)
    • LRIT
    • NWS Telecommunications Gateway
    • Dial-in
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