{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.cloncurry-extension-2019-20.469",
 "station": "469",
 "survey": "Cloncurry Extension Magnetotelluric Survey",
 "survey_id": "cloncurry-extension-2019-20",
 "country": "Australia",
 "organisation": "Geological Survey of Queensland",
 "location": {
  "lat": -20.067611,
  "lon": 140.693889
 },
 "data": {
  "type": "AMT",
  "n_periods": 100,
  "period_min_s": 0.0001,
  "period_max_s": 4032.258065
 },
 "diagnostics": {
  "median_relative_error": 0.0,
  "remote_reference": false,
  "tipper_available": true,
  "completeness_smoothness_diagnostic": {
   "value": 5.0,
   "basis": "e",
   "note": "not a quality or geological-value judgement"
  },
  "classification": "1-D",
  "skew_beta_median_deg": 0.7,
  "pct_periods_3d": 25,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": "empower",
  "algorithm": null,
  "remote_reference": false,
  "remote_site": null,
  "file_written_by": {
   "name": "Geotools",
   "version": "2.0.1.12388"
  },
  "note": "source.file=469.edi (Edis.zip!edis/Renamed impedance/469.edi)\nsource.collection=Geological Survey of Queensland Open Data Portal record mt099998, delivered as Edis.zip, folder edis/Renamed impedance\nsource.sha256=d1083a9479029c8a16382d93e965f50de73aca34d8d85a787d39414113d81420\nsource.copy=provenance/as-delivered/469.edi in this package, byte identical to the delivery\nrepair.defect=ACQDATE prints the Geotools export placeholder 01/01/01, which the reader publishes as an acquisition start of 2001-01-01, and FILEDATE prints 01/05/21, a two digit year in an order the reader has to guess\nrepair.change=ACQDATE set to 2020-09-03 and FILEDATE rewritten 01/05/21 to 2021-01-05; no other byte of the header and no byte of any data block is changed\nrepair.basis=this file's own >INFO records the run start 2020-09-03T03:41:16Z, and the delivery prints dates month first: 398 of its 647 spectra files carry a second field above 12 and none carries a first field above 12, and the archive entry date of this folder's supplied twin is 2021-01-05\nrepair.ruling=the repair rule of 2026-09-18, recorded as received for the Queensland batch on 2026-09-19\nrepair.by=AusMT, _tools/repair_edi_header_dates.py\nMAXINFO=1027\n\"HzType\": 1,\n\"calibration\": {\n\"Hx_scal\": \"54122_5F0FDF99.scal\",\n\"Hy_scal\": \"54123_5F0FDF99.scal\",\n\"Hz_scal\": \"54125_5F0FDF99.scal\",\n\"Rx_scal\": \"53688_5F0FBDB6.scal\",\n\"Ry_scal\": \"53812_5F0FBDB6.scal\",\n\"mag_rxcal\": \"10264_5F0FDA3C.rxcal\",\n\"pri_rxcal\": \"10264_5F0FDA3C.rxcal\",\n\"ref_rxcal\": \"10290_5F0FAFEB.rxcal\"\n},\n\"comb_filter\": 50,\n\"hasRemote\": true,\n\"layout\": {\n\"Ex\": \"E1\",\n\"Ey\": \"E2\",\n\"Hx\": \"H1\",\n\"Hy\": \"H2\",\n\"Hz\": \"H3\",\n\"Rx\": \"H1\",\n\"Ry\": \"H2\",\n\"e_azimuth\": 0,\n\"h_azimuth\": 0,\n\"r_azimuth\": 0\n},\n\"magnetic\": {\n\"acqtime\": 169078,\n\"bat_ext\": 12.053,\n\"calibration\": {\n\"type\": \"none\"\n},\n\"channel_map\": {\n\"mapping\": [\n{\n\"idx\": 0,\n\"tag\": 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1599260653,\n\"time_elapsed\": 523,\n\"time_zone\": \"local_time\",\n\"time_zone_offset\": 0,\n\"uuid\": \"{f92f802a-1946-4017-8a0c-3179d7c33753}\",\n\"version\": 1\n}"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/cloncurry-extension-2019-20/469.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": "469.edi",
  "input_sha256": "2ca535c4d6b548a118c72de7fab4f9453d10a5b4f5236b5fe1dc9b4350edd6dd"
 },
 "coordinate_qc": null,
 "canonical_conditioning": [
  "survey.id->cloncurry-extension-2019-20",
  "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:Geological Survey of Queensland",
  "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": 100,
   "phs_xy_median_deg": 45.05,
   "phs_yx_median_deg": -140.03,
   "verdict": "ok"
  },
  "declared_azimuth_deg": 0.0,
  "derotated": false,
  "evidence": {
   "branch": "mt",
   "emeas_azimuths": {
    "ex": null,
    "ey": null
   },
   "hmeas_azimuths": {
    "hx": 0.0,
    "hy": 0.0
   },
   "rotspec": null,
   "trot": "0",
   "zrot": "0"
  },
  "frame_served": "declared-zero",
  "impedance_rotation_deg_source": null,
  "tipper_rotation_deg_source": null
 },
 "resources": [
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   "kind": "transfer_function",
   "format": "edi",
   "provenance_role": "source",
   "representation_role": "original",
   "path": "edi/cloncurry-extension-2019-20/469.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/cloncurry-extension-2019-20/469.xml"
  },
  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/cloncurry-extension-2019-20-edi.zip"
  },
  {
   "id": "xml-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/cloncurry-extension-2019-20-xml.zip"
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}