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Earth Observing Laboratory
Field Data Archive

FRAPPE: Low Rate (LRT - 1 sps) Navigation, State Parameter, and Microphysics Flight-Level Data

Summary

This data set includes airborne measurements obtained from the NSF/NCAR C-130 aircraft (Tail Number N130AR) during the Front Range Air Pollution and Photochemistry Experiment (FRAPPE) project. This dataset contains low rate navigation, state parameter, and microphysics flight-level data in netCDF format.

Data access

Additional information

Identifier
Data Quality final
Versions
  • 1.0 (2015-02-24)
  • 1.1 (2015-05-28):

    These files are exactly the same as version 1.0 with the addition of two Terrain Height vars: ALTG_SRTM,  SFC_SRTM.

  • 2.0 (2019-06-17):

    Removal of variables from redundant sensors that are not typically released as a part of the final dataset.

    Updated PCORS resulting in pressures different on the order of 1 mbar and corrected wind speed components different on the order of 0.5 to 1 m/s, relative to previous versions.

    ALTG_SRTM and SFC_SRTM remain in version 2.0 as they were in version 1.1.

    Geo-potential height was added and DVALUE uses that instead of GPS altitude.


  • 2.1 (2022-12-08):

    Corrects gaps in ALTG_SRTM and SFC_SRTM data.

(Only the current version of the data is available to order. If you have questions about a prior version, please email us.)
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Related projects
Spatial Type point
Frequency 1 second
Language English
Categories
Platforms
Instruments
GCMD Science Keywords Expand keywords
Related links

Temporal coverage

Begin datetime 2014-07-26 15:39:00
End datetime 2014-08-19 02:42:59

Spatial coverage


Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 43.00, Minimum (South) Latitude: 35.00
Minimum (West) Longitude: -111.00, Maximum (East) Longitude: -99.00

Primary point of contact information

EOL Data Support <datahelp@eol.ucar.edu>

Citation

NSF NCAR Earth Observing Laboratory. 2022. FRAPPE: Low Rate (LRT - 1 sps) Navigation, State Parameter, and Microphysics Flight-Level Data. Version 2.1. null. https://doi.org/10.5065/D65B00HN. Accessed 19 Nov 2025.

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NSF

This material is based upon work supported by the NSF National Center for Atmospheric Research, a major facility sponsored by the U.S. National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the U.S. National Science Foundation.