Project #2000-186 PELTI

Passing Efficiency of the Low-Turbulence Inlet

Barry Huebert

NSF/NCAR EC-130Q Hercules (N130AR)

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Documentation Summary

This site contains the final documentation for the airborne measurements obtained from the NCAR/NSF Research Aviation Facility (RAF) EC-130Q Hercules aircraft during the Passing Efficiency of the Low-Turbulence Inlet (PELTI) project. This project took place from 5-23 July 2000.

Orders for the low rate (LRT; 1 sample per second) production data set may be directed to the RAF data manager, Ron Ruth. The data files also are available via anonymous ftp transfer; click here for Low-Rate Data and High-Rate Data. High rate (25 sps) data will be made available on a flight-by-flight basis. Distribution of these data will be made in response to individual requests by the project participants.

Software to be used in viewing the low rate data in summary format is available from the RAF. Please consult the RAF Software Product Guide for more information on available RAF data perusal programs. High rate data will be processed and distributed on an "as requested" basis in response to individual requests by the project participants.

Both the raw and production output data from the C-130 have been archived to the NCAR/CISL Mass Store System (MSS). The latter has proven to be an extremely reliable archival platform. However, we strongly urge data recipients to make their own archival copies in order to protect against damage or loss.

As you proceed with analysis of your data, you may have questions, encounter problems, or uncover discrepancies or other aspects of the data set that may be of interest to the RAF and other users. We ask that you bring these issues to the attention of the PELTI project manager:

Krista Laursen, (303)497-1031
Mail address:

National Center for Atmospheric Research
EOL/Research Aviation Facility
P. O. Box 3000
Boulder, CO 80307-3000
U. S. A.

We also solicit your more general comments on the quality, usefulness, and/or new applications of the data.

We hope that the support of this project provided by the Research Aviation Facility has been satisfactory. It has been our pleasure to serve you. If we can be of further assistance, please do not hesitate to call on us.

Sincerely,

Krista Laursen
Project Manager/Associate Scientist

Jeffrey L. Stith, Ph.D.
Manager, Research Aviation Facility

• Updated Pages on this web site
  This page has a summary of updates to this project's web site since its official release on 28 September 2000. Next to each link in the page is the date of its most recent change.
• Data Logs
  • CISL Mass Store System Production Low-Rate Output netCDF Files
  • CISL Mass Store System Production High-Rate Output netCDF Files
  • Raw Aircraft (ADS) Data Summary
  • CISL Mass Store System Bitfile List (/RAF path)
  • CISL Mass Store System Bitfile List (/ATD/DATA path)
  • Video Tape Log
• Output Data Format
  • Example Production Output netCDF File Header (Low Rate)
  • Example Production Output netCDF File Header (High Rate)
  • netCDF Information
• Reports
  • Project Managers' Data Quality Report
    • Section I: General Data Set Quality and Limitations
    • Section II: Flight-by-Flight Summary and Discussion
  • Research Flight Reports
  • Mission Scientist Reports
  • PELTI Executive Summary and Report Summary of Final Report to NSF (Huebert, et al.)
  • Figures for "PELTI Executive Summary and Report Summary of Final Report to NSF"
• Research Instrumentation
  • Aircraft Research Instrumentation Lists
    • RAF-Supplied Instrumentation
    • User-Supplied Instrumentation
  • Output Data File Measurement List
  • Inertial Reference Unit Performance Summary
• Project Photos

• RAF Bulletins
  • RAF Bulletin No. 9 Standard Output Data Products
  • RAF Bulletin No. 23 Measurement Techniques: Air Motion Sensing
  • RAF Bulletin No. 24 Airborne Measurements for Cloud Microphysics
  • RAF Bulletin No. 25 Passive Broadband and Spectral Radiometric Measurements Available on NSF/NCAR Research Aircraft
• Project Support Information
  • RAF Software Product Guide
  • NIMBUS Defaults File
  • NIMBUS DependTable File
  • NIMBUS PMSspecs File