{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.kapunda-2019-20.06_186",
 "station": "06_186",
 "survey": "Kapunda 2019-20",
 "survey_id": "kapunda-2019-20",
 "country": "Australia",
 "organisation": "Adelaide University",
 "location": {
  "lat": -34.359833,
  "lon": 138.919472
 },
 "data": {
  "type": "AMT",
  "n_periods": 43,
  "period_min_s": 0.0001,
  "period_max_s": 0.984615
 },
 "diagnostics": {
  "median_relative_error": 0.264,
  "remote_reference": false,
  "tipper_available": false,
  "completeness_smoothness_diagnostic": {
   "value": 2.8,
   "basis": "e",
   "note": "not a quality or geological-value judgement"
  },
  "classification": "2-D",
  "skew_beta_median_deg": 1.8,
  "pct_periods_3d": 30,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": null,
  "algorithm": null,
  "remote_reference": false,
  "remote_site": null,
  "file_written_by": {
   "name": "Geotools",
   "version": "1.9.6.12351"
  },
  "note": "source.file=19-06_186.edi (19-06_186.edi)\nsource.collection=Adelaide University Kapunda 2019-20 processed EDI delivery, held at EDIs/Kapunda; the folder No_TimeSeries names the soundings whose time series were not kept\nsource.sha256=bea6aac90390950ba15981f5f78717a03fb7964fed318f03f2d16c693f7c96d0\nsource.copy=provenance/as-delivered/19-06_186.edi in this package, byte identical to the delivery\nrepair.defect=ACQDATE=10/01/19 and FILEDATE=07/20/20 are written month/day/year with two-digit years, a form a day-first reader takes the other way round; the same ACQDATE stands in all 87 files that print one, so it is the export's single stamp and not this station's acquisition date\nrepair.change=ACQDATE rewritten 10/01/19 to 2019-10-01 and FILEDATE rewritten 07/20/20 to 2020-07-20; the nine line record inserted after >INFO; no other byte changed\nrepair.basis=the delivery prints a date month first: FILEDATE reads 07/20/20 in all 110 files and 20 is not a month, so no day-first reading of that field exists, and the exporter is Geotools 1.9.6.12351 with PROGDATE=03/03/20 throughout. Read month first the single ACQDATE 10/01/19 is 2019-10-01, inside the survey window of 2019-04-02 to 2020-07-19; read day first it is 2019-01-10, 82 days before the survey began. The two-digit years were named by the caller, 19 as 2019 and 20 as 2020, from that same window, whose last day is 2020-07-19, one day before the FILEDATE every file carries\nrepair.ruling=the repair rule of owner ruling 2026-09-18: a header defect the reader refuses or misreads is repaired in the served copy, the delivered file is kept beside it under provenance/as-delivered/ and the change is recorded in the served file\nrepair.by=AusMT, _tools/repair_edi_header_dates.py\nMAXINFO=2"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/kapunda-2019-20/Kapunda_06_186.edi"
 },
 "provenance": {
  "pipeline": "ausmt/extract.build_portal",
  "pipeline_version": "0.2.1",
  "extractor": "mt_metadata (community canonical)",
  "software": {
   "python": "3.12.14",
   "mt_metadata": "1.0.10",
   "mth5": "0.6.8"
  },
  "git_commit": "e208b15fb70740d8c44de51c532e6debd59c4e24",
  "parameters": {
   "dimensionality": {
    "beta_per_period_deg": 3.0,
    "skew_3d_deg": 5.0,
    "pct_periods_3d_threshold": 40,
    "ellip_2d_deg": 0.1,
    "min_rez_row_sine": 0.01,
    "beta_physical_cap_deg": 15.0,
    "min_usable_period_frac": 0.5,
    "skew_aggregation": "median"
   },
   "diagnostic": "completeness/smoothness (median rel error + coverage + smoothness)"
  },
  "generated": "2026-09-20T04:08:35.832153+00:00",
  "input_file": "Kapunda_06_186.edi",
  "input_sha256": "2806accacde36fc0c1f48a496e5bc29dc81af3cdaea8ec44027ac7fef19a8cab"
 },
 "coordinate_qc": null,
 "canonical_conditioning": [
  "survey.id->kapunda-2019-20",
  "station.id set to the sanitised EMTF-XML Site.id",
  "survey.project->Area_Name",
  "station.source_id_preserved_in_site_name",
  "sign_convention: '+' is a library default — EDI carries no machine-readable sign convention; NOT asserted by source",
  "declination.epoch/model: library defaults (epoch=None, model=IGRF) — an EDI states only the declination value; epoch/model NOT asserted by source",
  "channel orientations: degenerate/defaulted (ex and ey azimuths both 0 deg — parallel dipoles are non-physical); orientations NOT asserted by source EMEAS geometry",
  "citation.authors<-survey_meta:Adelaide University",
  "citation.title<-survey_meta",
  "copyright.release_status=Data Citation Required; conditions_of_use set from licence CC-BY-4.0 (replaced mt_metadata default boilerplate)"
 ],
 "frame": {
  "convention_check": {
   "detail": null,
   "n_periods_used": 43,
   "phs_xy_median_deg": 35.27,
   "phs_yx_median_deg": -126.62,
   "verdict": "ok"
  },
  "declared_azimuth_deg": 0.0,
  "derotated": false,
  "evidence": {
   "branch": "mt",
   "emeas_azimuths": {
    "ex": null,
    "ey": null
   },
   "hmeas_azimuths": {
    "hx": 0.0,
    "hy": 90.0
   },
   "rotspec": null,
   "trot": null,
   "zrot": "0"
  },
  "frame_served": "declared-zero",
  "impedance_rotation_deg_source": null,
  "tipper_rotation_deg_source": null
 },
 "runs": [
  {
   "id": "06_186_001",
   "time_period": {
    "start": "2019-04-05T08:46:52.000000+00:00",
    "end": "2019-04-06T06:02:27.000000+00:00"
   },
   "data_logger": {
    "manufacturer": "Phoenix",
    "model": "MTU-8A",
    "serial_number": "10141"
   },
   "channels": [
    {
     "component": "ex",
     "measurement_azimuth_deg": 0.0,
     "dipole_length_m": 100.0
    },
    {
     "component": "ey",
     "measurement_azimuth_deg": 90.0,
     "dipole_length_m": 100.0
    },
    {
     "component": "hx",
     "sensor": {
      "manufacturer": "Phoenix",
      "model": "MTC-150",
      "serial_number": "54016"
     }
    },
    {
     "component": "hy",
     "sensor": {
      "manufacturer": "Phoenix",
      "model": "MTC-150",
      "serial_number": "54022"
     }
    }
   ]
  }
 ],
 "resources": [
  {
   "id": "edi",
   "kind": "transfer_function",
   "format": "edi",
   "provenance_role": "source",
   "representation_role": "original",
   "path": "edi/kapunda-2019-20/Kapunda_06_186.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/kapunda-2019-20/06_186.xml"
  },
  {
   "id": "mth5",
   "kind": "transfer_function",
   "format": "mth5",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "h5/kapunda-2019-20/06_186.h5"
  },
  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/kapunda-2019-20-edi.zip"
  },
  {
   "id": "xml-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/kapunda-2019-20-xml.zip"
  },
  {
   "id": "survey-mth5",
   "kind": "archive",
   "format": "mth5",
   "path": "bundles/kapunda-2019-20-tf.h5"
  }
 ]
}