{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.cloncurry-extension-2019-20.421",
 "station": "421",
 "survey": "Cloncurry Extension Magnetotelluric Survey",
 "survey_id": "cloncurry-extension-2019-20",
 "country": "Australia",
 "organisation": "Geological Survey of Queensland",
 "location": {
  "lat": -20.103333,
  "lon": 140.617139
 },
 "data": {
  "type": "AMT",
  "n_periods": 98,
  "period_min_s": 0.0001,
  "period_max_s": 2383.222116
 },
 "diagnostics": {
  "median_relative_error": 0.001,
  "remote_reference": true,
  "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": 0.9,
  "pct_periods_3d": 35,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": null,
  "algorithm": null,
  "remote_reference": true,
  "remote_site": "Remote",
  "file_written_by": {
   "name": "Geotools",
   "version": "2.0.1.12388"
  },
  "note": "source.file=421.edi (Edis.zip!edis/Renamed impedance/421.edi)\nsource.collection=Geological Survey of Queensland Open Data Portal record mt099998, delivered as Edis.zip, folder edis/Renamed impedance\nsource.sha256=348f462bcfc760aed6d0178159fbfd7cda669852213a5da03a7c4983410d6212\nsource.copy=provenance/as-delivered/421.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 no source in the release gives this station's date\nrepair.change=ACQDATE blanked so the file asserts no date, 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 >INFO carries no run start, 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=110\nUNIQUE ID: {b514432f-c45a-425f-b79d-04d4bf9f3cc4}\nPROCESS DATE: 2020-06-25 16:20\nDURATION: 23 h 9 m 29 s \nDECLINATION: 0°\nCOORDINATES: -20° 6' 12.0\", 140° 37' 1.7\"\nGPS (MIN - MAX): 8 - 14\nTEMPERATURE (MIN - MAX): 21° - 43°\nCOMB FILTER: 50HZ\nFINE ROBUST: NONE\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 39.0352%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.8, RATIO: 10% \nSTATIONS\nELECTRICS\nRECORDING ID: 10278_2020-06-23-001711\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: \nOPERATOR: K1,LT\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 100 [m]\nAC: 0.85392 [V]\nDC: -0.00495911 [V]\nNEGATIVE RES: 920.351 [Ω]\nPOSITIVE RES: 1071.87 [Ω]\nSATURATION: 0.0173326%\nMIN VALUE: -0.460347 [V]\nMAX VALUE: 0.393573 [V]\nEY\nTAG: E2\nLENGTH: 100 [m]\nAC: 0.310876 [V]\nDC: -0.000228882 [V]\nNEGATIVE RES: 945.219 [Ω]\nPOSITIVE RES: 1010.36 [Ω]\nSATURATION: 0.0167328%\nMIN VALUE: -0.139699 [V]\nMAX VALUE: 0.171177 [V]\nMAGNETICS\nRECORDING ID: 10278_2020-06-23-001711\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: \nOPERATOR: K1,LT\nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.260707 [V]\nDC: -0.0369263 [V]\nCAL NAME: 54717_5EE83957.scal\nSENSOR SERIAL: 54717\nSATURATION: 0 %\nMIN VALUE: -0.131952 [V]\nMAX VALUE: 0.128755 [V]\nHY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 2.49484 [V]\nDC: -0.0195313 [V]\nCAL NAME: 54719_5EE83957.scal\nSENSOR SERIAL: 54719\nSATURATION: 0.811573 %\nMIN VALUE: -1.24484 [V]\nMAX VALUE: 1.25 [V]\nHZ\nTAG: H3\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 1.32987 [V]\nDC: 0.0480652 [V]\nCAL NAME: 54721_5EE83957.scal\nSENSOR SERIAL: 54721\nSATURATION: 0 %\nMIN VALUE: -1.20973 [V]\nMAX VALUE: 0.120135 [V]\nREFERENCE\nRECORDING ID: 10290_2020-06-23-074019\nINSTRUMENT TYPE: MTU-8A\nSTATION NAME: Remote\nOPERATOR: K1, LT\nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.223058 [V]\nDC: -0.0531006 [V]\nCAL NAME: 54759_5EE83975.scal\nSENSOR SERIAL: 54759\nSATURATION: 0 %\nMIN VALUE: -0.118333 [V]\nMAX VALUE: 0.104724 [V]\nRY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.451545 [V]\nDC: 0.0460815 [V]\nCAL NAME: --- \nSENSOR SERIAL: 53812\nSATURATION: 0 %\nMIN VALUE: -0.223275 [V]\nMAX VALUE: 0.228269 [V]"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/cloncurry-extension-2019-20/421.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": "421.edi",
  "input_sha256": "dc9a5ee9ac69f995c6d13080846f25973d9da5fd922439d10f4ebc601cdc2531"
 },
 "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": 98,
   "phs_xy_median_deg": 34.68,
   "phs_yx_median_deg": -143.48,
   "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": [
  {
   "id": "edi",
   "kind": "transfer_function",
   "format": "edi",
   "provenance_role": "source",
   "representation_role": "original",
   "path": "edi/cloncurry-extension-2019-20/421.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/cloncurry-extension-2019-20/421.xml"
  },
  {
   "id": "mth5",
   "kind": "transfer_function",
   "format": "mth5",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "h5/cloncurry-extension-2019-20/421.h5"
  },
  {
   "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"
  },
  {
   "id": "survey-mth5",
   "kind": "archive",
   "format": "mth5",
   "path": "bundles/cloncurry-extension-2019-20-tf.h5"
  }
 ]
}