SwathS, flight day 223a/2021, Rothamsted

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Data location: /users/rsg/arsf/arsf_data/2021/flight_data/uk/SwathS-2021_223a_Rothamsted

Data arrived from Kings College London via FTP on September 20th 2021

Scientific objective: Joint NASA and ESA campaign flying JPL’s HyTES thermal instrument over sites in Europe with a focus on crops and soil.

PI: Martin Wooster

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Unpacking

• no fps_set in Fenix1k hdr files
• Following nav issue flagged for all Fenix lines in unpcking_checks.py:

  No date record ($GPZDA) found in nav file - will assume it is binary if cannot find a line starting with '$GPGGA' or '
  $PRDID'.
  Error in /users/rsg/arsf/usr/lib/python/site-packages/arsf_unpacking/unpacking_utilities.py : write_message: Nav file 
  does not have time stamps or failed to read the file using readAscii: /users/rsg/arsf/arsf_data/2021/flight_data/uk/Sw
  athS-2021_223a_Rothamsted/hyperspectral/fenix/FENIX223a-21-3/capture/FENIX223a-21-3.nav
  

• The following lines have differnt fps and fps_qpf:

fps differs from fps_qpf by -0.7 in file: /users/rsg/arsf/arsf_data/2021/flight_data/uk/SwathS-2021_223a_Rothamsted/hy
perspectral/fenix/FENIX223a-21-6/capture/FENIX223a-21-6.hdr 
fps differs from fps_qpf by -0.7 in file: /users/rsg/arsf/arsf_data/2021/flight_data/uk/SwathS-2021_223a_Rothamsted/hy
perspectral/fenix/FENIX223a-21-9/capture/FENIX223a-21-9.hdr
fps differs from fps_qpf by 0.59 in file: /users/rsg/arsf/arsf_data/2021/flight_data/uk/SwathS-2021_223a_Rothamsted/hy
perspectral/fenix/FENIX223a-21-12/capture/FENIX223a-21-12.hdr

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Navigation Processing

Processed in POSPac using OS SNEO as basestation.

Vertical RMSE < 5 cm apart from one spike of ~7 cm. Horizontal RMSE < 3 cm apart from four spikes between 3 - 4 cm.

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Hyperspectral Processing

Wavelengths in headers updated with:

replace_wavscale.py -w /users/rsg/arsf/calibration/2021/fenix1k/wlcal2b_vnir_1b_swir.txt hyperspectral/fenix/F*/capture/*hdr

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Hyperspectral Processing

No clear SCT error present. Will not apply offsets to flightlines.

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Hyperspectral Processing

All line processed with 3 bands

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Ready for delivery check

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DC

Started.

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DC

-Will remove the edges.txt and fodis dir.
-Lots of underflows
-There is a lot of cloud shadows in the data, probably worth mentioning in the readme.
Everything else looking good so will start zipping files.

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Hyperspectral Delivery

Mapped files were zipped correctly. Added a note about cloud shadows in the readme. Uploaded the dataset to the FTP and sent confirmation email to PI on 22/12/2021. Have a merry Christmas!

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Ready for checking

Fenix1k level1b delivery create. Ready for checking.