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Nettie La Belle-Hamer ASF Science Center Manager Alaska SAR Facility Geophysical Institute University of Alaska Fairbanks.

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Presentation on theme: "Nettie La Belle-Hamer ASF Science Center Manager Alaska SAR Facility Geophysical Institute University of Alaska Fairbanks."— Presentation transcript:

1 Nettie La Belle-Hamer ASF Science Center Manager Alaska SAR Facility Geophysical Institute University of Alaska Fairbanks

2 ASF Capabilities Downlinking Processing Near Real Time for L1 and L0 Archiving and Distribution

3 ASF Satellite Tracking ASF currently operates two independent tracking systems, –Scientific Atlanta 10m X-band/S-band tracker, installed to support ERS-1, JERS, and Radarsat acquisitions –Scientific Atlanta 11.24m X-band/S-band tracker, installed to support ADEOS

4 ASF Host Controller ASF utilizes an ASF-designed and built tape recorder management system –schedules tape resources for both tracking systems –manages High Density Digital Recorders (HDDRs) before, during, and after acquisitions –generates all required metadata for flight agency and ASF internal processing –permits simultaneous tracker operation, with best utilization of HDDR resources

5 ASF Receiving Ground Station The ASF Receiving Ground System incorporates a tracker scheduling element, which de-conflicts multi-mission requirements, and generates conflict-free schedules for each ASF tracking system

6 Acquisition Masks of ASF and TSS

7 Processing at ASF Level-1 Processors –Precision Processor –ScanSAR Processor –ASP (Hardware) –Focus –Alaska Interferometric SAR Processor Level-0 Processors –Operational system –MAMM system

8 Signal Data at ASF 7x24 facility track record for high volume, high quality data processing

9 Archive holdings as of Oct 2001

10 less than 4 hours greater than 4 hours

11 Support for Real World Applications Emergency support –for the Coast Guard for images used in search and rescue of Chinese trawler. (6 November, 2000) –for urgent data requests from NIC –for the Vice President for images of flooding Ice Community support –ASF’s RGPS provides geophysical ice products to the ice science community.

12 Back up slides

13 ASF RGS The ASF Receiving Ground System currently supports data acquisition to the following tape resources, –Sony ID-1 –Ampex DCRSi

14

15 MAMM production begins

16 less than 3 hours greater than 3 hours

17

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