{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.warrawagine-2026.MolyB_004",
 "station": "MolyB_004",
 "survey": "Warrawagine Magnetotelluric Survey 2026 (Geological Survey of Western Australia)",
 "survey_id": "warrawagine-2026",
 "country": "Australia",
 "organisation": "Geological Survey of Western Australia",
 "location": {
  "lat": -20.873833,
  "lon": 120.605889
 },
 "data": {
  "type": "AMT",
  "n_periods": 100,
  "period_min_s": 0.0001,
  "period_max_s": 2912.71072
 },
 "diagnostics": {
  "median_relative_error": 0.01,
  "remote_reference": true,
  "tipper_available": true,
  "completeness_smoothness_diagnostic": {
   "value": 5.0,
   "basis": "e",
   "note": "not a quality or geological-value judgement"
  },
  "classification": "2-D",
  "skew_beta_median_deg": 1.3,
  "pct_periods_3d": 28,
  "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": "4.0.3.12574"
  },
  "note": "source.file=MolyB_004.edi (73002.zip!73002/Appendix VIII - Final Data/EDI_files/MolyB_004.edi)\nsource.collection=Geological Survey of Western Australia MAGIX registration 73002, Warrawagine Ground IP MT, delivered as 73002.zip\nsource.sha256=18c6c5fc656289a7531ff26d020003e452160f8d189f7d571d04dd250d6c4389\nsource.copy=provenance/as-delivered/MolyB_004.edi in this package, byte identical to the delivery\nrepair.defect=ACQDATE prints the Geotools placeholder 01/01/01, which the reader takes as 1 January 2001 and publishes as this sounding's acquisition date; all 29 EDI files of the delivery print it\nrepair.change=ACQDATE set to 2026-04-09 and FILEDATE rewritten from the month-first 04/23/26 to 2026-04-23; no other byte is changed\nrepair.basis=this file's own INFO block stamps its local recording as RECORDING ID 10747_2026-04-09-024407, a start of 2026-04-09 at 02:44:07, the same date whether the stamp is read as UTC or as Western Australian time; the exporter prints month first, FILEDATE 04/23/26 having a second field above 12; where Geotools 4.0.3.12574 prints a real ACQDATE in MAGIX release 72959, on 30 files, it is that same recording start date\nrepair.ruling=owner ruling 2026-09-18: a header date the reader misreads is repaired in the served copy and the delivered file is kept in provenance\nrepair.by=AusMT, _tools/repair_edi_header_dates.py\nMAXINFO=111\nPROJECT NAME: Syndicate_Minerals_Q2_MT\nUNIQUE ID: {0f05683e-6873-4d81-bda5-e2a7d237a73a}\nPROCESS DATE: 2026-04-10 21:07\nDURATION: 19h 14m 3s \nDECLINATION: 1°\nCOORDINATES: -20° 52' 25.8\", 120° 36' 21.2\"\nGPS (MIN - MAX): 8 - 13\nTEMPERATURE (MIN - MAX): 40° - 54°\nCOMB FILTER: 50 HZ\nFINE ROBUST: NONE\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 17.8014%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.5, RATIO: 50% \nSTATIONS\nELECTRICS\nRECORDING ID: 10747_2026-04-09-024407\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: MolyB_004\nOPERATOR: JB NL\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 80 [m]\nAC: 2.5 [V]\nDC: 0.00244141 [V]\nNEGATIVE RES: 956.239 [Ω]\nPOSITIVE RES: 991.599 [Ω]\nSATURATION: 0.0880955%\nMIN VALUE: -1.25 [V]\nMAX VALUE: 1.25 [V]\nEY\nTAG: E2\nLENGTH: 80 [m]\nAC: 2.5 [V]\nDC: 0.00522614 [V]\nNEGATIVE RES: 1447.23 [Ω]\nPOSITIVE RES: 1053.74 [Ω]\nSATURATION: 0.0919226%\nMIN VALUE: -1.25 [V]\nMAX VALUE: 1.25 [V]\nMAGNETICS\nRECORDING ID: 10747_2026-04-09-024407\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: MolyB_004\nOPERATOR: JB NL\nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-1xx\nAC: 0.00206775 [V]\nDC: 0.0112915 [V]\nCAL NAME: 57199_69D4772B.scal\nSENSOR SERIAL: 57199\nSATURATION: 0 %\nMIN VALUE: -0.000996673 [V]\nMAX VALUE: 0.00107108 [V]\nHY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-1xx\nAC: 0.0022624 [V]\nDC: -0.0292969 [V]\nCAL NAME: 57209_69D4772B.scal\nSENSOR SERIAL: 57209\nSATURATION: 0 %\nMIN VALUE: -0.00117622 [V]\nMAX VALUE: 0.00108618 [V]\nHZ\nTAG: H3\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-1xx\nAC: 0.000246166 [V]\nDC: -0.0421143 [V]\nCAL NAME: 53313_69D4772B.scal\nSENSOR SERIAL: 53313\nSATURATION: 0 %\nMIN VALUE: -0.000120152 [V]\nMAX VALUE: 0.000126014 [V]\nREFERENCE\nRECORDING ID: 15025_2026-04-08-225211\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: Remote Site\nOPERATOR: NL\nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-1xx\nAC: 0.00973471 [V]\nDC: -0.0131226 [V]\nCAL NAME: 57246_69D4770D.scal\nSENSOR SERIAL: 57246\nSATURATION: 3.05042 %\nMIN VALUE: -0.0048519 [V]\nMAX VALUE: 0.00488281 [V]\nRY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-1xx\nAC: 0.00209073 [V]\nDC: -0.0012207 [V]\nCAL NAME: 57249_69D4770D.scal\nSENSOR SERIAL: 57249\nSATURATION: 0 %\nMIN VALUE: -0.00105931 [V]\nMAX VALUE: 0.00103142 [V]"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/warrawagine-2026/MolyB_004.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": "2026-09-28T03:46:37.537752+00:00",
  "input_file": "MolyB_004.edi",
  "input_sha256": "15970ff068700c3025b13ad4525e327117df6048b6957e2141fa32fab3a5fe0e"
 },
 "coordinate_qc": null,
 "canonical_conditioning": [
  "survey.id->warrawagine-2026",
  "station.id set to the sanitised EMTF-XML Site.id",
  "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",
  "citation.authors<-survey_meta:Geological Survey of Western Australia",
  "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": 41.53,
   "phs_yx_median_deg": -138.27,
   "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": "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/warrawagine-2026/MolyB_004.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/warrawagine-2026/MolyB_004.xml"
  },
  {
   "id": "mth5",
   "kind": "transfer_function",
   "format": "mth5",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "h5/warrawagine-2026/MolyB_004.h5"
  },
  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/warrawagine-2026-edi.zip"
  },
  {
   "id": "xml-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/warrawagine-2026-xml.zip"
  },
  {
   "id": "survey-mth5",
   "kind": "archive",
   "format": "mth5",
   "path": "bundles/warrawagine-2026-tf.h5"
  }
 ]
}