## description

This collection contains source data and processing code for the reduced,
corrected, and concatenated sets in this bundle's data collection. Most of
these source data are available elsewhere on the PDS; the remainder are
available in published scientific literature. They are copied in this bundle
in order to (1) provide a 'snapshot' of the source material for our processed
data, should those archives change; and (2) to facilitate bug hunting, data
verification, and functionality-adding software forks.

## files

/
----
- hfe_cleaner.py
Simple Python script to ingest source data and send them through reduction
pipeline defined by functions in hfe_utils.py and hfe_corrections.py. Running
'python hfe_cleaner.py' in this directory, given an appropriately configured
Python 3 environment, will generate a directory tree named 'data_local' that
reproduces all data in this bundle's primary data collection. Small
modifications to this script can be used to write data out to other filepaths.
Dependencies beyond the Python 3 standard library are: astropy, numpy, pandas.
The Anaconda distribution of Python is preferred.

- hfe_utils.py
Python utilities for working with AHFE data: file parsing, unit conversion,
range concatenation, etc.

- hfe_corrections.py
Per-file notes and corrections: outlier flags, bitflip magnitude definitions,
etc.

/a15
----
Files from PDS3 bundle A15A-L-HFE-3-THERMAL-CONDUCTIVITY-V1.0: Apollo 15 HFE
data from 1971-1974, first processed by original instrument team, converted to
ASCII tables by Hills and Williams in 2005.

- a15p1.file_1
Data from probe 1 upper gradient bridge.

- a15p1.file_2
Data from probe 1 lower gradient bridge.

- a15p1.file_3
Data from reference thermometer and probe 1 thermocouples.

- a15p1.file_4
Data from probe 1 upper ring bridge.

- a15p1.file_5
Data from probe 1 lower ring bridge.

- a15p2.file_1
Data from probe 2 upper gradient bridge.

- a15p2.file_2
Data from probe 2 lower gradient bridge.

- a15p2.file_3
Data from reference thermometer and probe 2 thermocouples.

- a15p2.file_4
Data from probe 2 upper ring bridge.

- a15p2.file_5
Data from probe 2 lower ring bridge.


/a17
----
Files from PDS3 bundle A17A-L-HFE-3-THERMAL-CONDUCTIVITY-V1.0: Apollo 17 HFE
data from 1972-1974, first processed by original instrument team, converted to
ASCII tables by Hills and Williams in 2005.

- a17p1.file_1
Data from probe 1 upper gradient bridge.

- a17p1.file_2
Data from probe 1 lower gradient bridge.

- a17p1.file_3
Data from reference thermometer and probe 1 thermocouples.

- a17p1.file_4
Data from probe 1 upper ring bridge.

- a17p1.file_5
Data from probe 1 lower ring bridge.

- a17p2.file_1
Data from probe 2 upper gradient bridge.

- a17p2.file_2
Data from probe 2 lower gradient bridge.

- a17p2.file_3
Data from reference thermometer and probe 2 thermocouples.

- a17p2.file_4
Data from probe 2 upper ring bridge.

- a17p2.file_5
Data from probe 2 lower ring bridge.

/nagihara
----

- nagihara_jgr_planets.xlsx
Data released by Nagihara et al. along with article: Examination of the
Long‐Term Subsurface Warming Observed at the Apollo 15 and 17 Sites Utilizing
the Newly Restored Heat Flow Experiment Data From 1975 to 1977, JGR Planets
123 (5), May 2018. Contains data recovered from ARCSAV tapes, calibrated and
processed using a newly-created software pipeline. Used here for data in 1976
and 1977; 1975 data superseded by PDS release.

/nagihara/pds
----
Data from urn:nasa:pds:a15hfe_calibrated_arcsav:data and
urn:nasa:pds:a17hfe_calibrated_arcsav:data. Enhanced and PDS4-formatted
versions of 1975 data from JGR Planets article.

- a15_hfe_1975_l2_arcsav_tg11.tab
Data from Apollo 15 probe 1 upper gradient bridge.

- a15_hfe_1975_l2_arcsav_tg12.tab
Data from Apollo 15 probe 1 lower gradient bridge.

- a15_hfe_1975_l2_arcsav_tg21.tab
Data from Apollo 15 probe 2 upper gradient bridge.

- a15_hfe_1975_l2_arcsav_tg22.tab
Data from Apollo 15 probe 2 lower gradient bridge.

- a17_hfe_1975_l2_arcsav_tg11.tab
Data from Apollo 17 probe 1 upper gradient bridge.

- a17_hfe_1975_l2_arcsav_tg21.tab
Data from Apollo 17 probe 2 upper gradient bridge.