{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.ashburton-basin-2025.BCP_3018",
 "station": "BCP_3018",
 "survey": "Ashburton Basin MT 2025",
 "survey_id": "ashburton-basin-2025",
 "country": "Australia",
 "organisation": "Geological Survey of Western Australia",
 "location": {
  "lat": -22.697944,
  "lon": 116.194167
 },
 "data": {
  "type": "AMT",
  "n_periods": 93,
  "period_min_s": 0.0001,
  "period_max_s": 873.813471
 },
 "diagnostics": {
  "median_relative_error": 0.005,
  "remote_reference": true,
  "tipper_available": true,
  "completeness_smoothness_diagnostic": {
   "value": 5.0,
   "basis": "e",
   "note": "not a quality or geological-value judgement"
  },
  "classification": "3-D",
  "skew_beta_median_deg": 6.8,
  "pct_periods_3d": 81,
  "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=BCP_3018.edi (72959.zip!72959/Appendix VII - Final Data/BCP_3018.edi)\nsource.collection=Geological Survey of Western Australia MAGIX registration 72959, Ashburton Basin MT, delivered as 72959.zip\nsource.sha256=7db203110beda2e611da00ddb9f409d33a68168eccde908f03875a3346121a0c\nsource.copy=provenance/as-delivered/BCP_3018.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; 30 of the 119 files of the delivery print a real date\nrepair.change=ACQDATE set to 2025-09-14 and FILEDATE rewritten from the month-first 01/21/26 to 2026-01-21; no other byte is changed apart from the padding after a value whose width grew\nrepair.basis=the file INFO block gives RECORDING ID 10719_2025-09-14-065551 for its electric channels, a recording that starts at 2025-09-14 06:55:51 UTC, 2025-09-14 14:55:51 in Western Australia (UTC+8); the contractor Appendix II daily field activity report lists BCP_3018 as deployed on 14 September 2025; the 30 files of the delivery that print a real ACQDATE print the start date of their own RECORDING ID on all 30, and the exporter prints month first, FILEDATE 01/21/26 on all 119\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: Black Cat Syndicate\nUNIQUE ID: {e782942f-8987-4fe3-9073-16da283e5990}\nPROCESS DATE: 2025-09-17 22:36\nDURATION: 14h 30m \nDECLINATION: 0°\nCOORDINATES: -22° 41' 52.6\", 116° 11' 39.0\"\nGPS (MIN - MAX): 7 - 13\nTEMPERATURE (MIN - MAX): 36° - 47°\nCOMB FILTER: 50 HZ\nFINE ROBUST: NONE\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 30.2386%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.8, RATIO: 40% \nSTATIONS\nELECTRICS\nRECORDING ID: 10719_2025-09-14-065551\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: BCP_3018\nOPERATOR: RT\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 50 [m]\nAC: 1.51414 [V]\nDC: 0.000648499 [V]\nNEGATIVE RES: 520.208 [Ω]\nPOSITIVE RES: 986.129 [Ω]\nSATURATION: 0.000766284%\nMIN VALUE: -0.800386 [V]\nMAX VALUE: 0.713758 [V]\nEY\nTAG: E2\nLENGTH: 50 [m]\nAC: 0.527707 [V]\nDC: -0.0143051 [V]\nNEGATIVE RES: 638.682 [Ω]\nPOSITIVE RES: 133.717 [Ω]\nSATURATION: 0%\nMIN VALUE: -0.246288 [V]\nMAX VALUE: 0.281419 [V]\nMAGNETICS\nRECORDING ID: 10719_2025-09-14-065551\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: BCP_3018\nOPERATOR: RT\nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-155\nDETECTED SENSOR TYPE: MTC-155\nAC: 0.00077039 [V]\nDC: 0.0410461 [V]\nCAL NAME: 57786_68B8F258.scal\nSENSOR SERIAL: 57786\nSATURATION: 0 %\nMIN VALUE: -0.000371345 [V]\nMAX VALUE: 0.000399046 [V]\nHY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-1xx\nAC: 0.00205351 [V]\nDC: -0.0134277 [V]\nCAL NAME: 57246_68B8F258.scal\nSENSOR SERIAL: 57246\nSATURATION: 0 %\nMIN VALUE: -0.000868247 [V]\nMAX VALUE: 0.00118526 [V]\nHZ\nTAG: H3\nSENSOR TYPE: MTC-185\nDETECTED SENSOR TYPE: MTC-185\nAC: 0.00973035 [V]\nDC: -0.00396729 [V]\nCAL NAME: 59494_68B8F258.scal\nSENSOR SERIAL: 59494\nSATURATION: 0.952586 %\nMIN VALUE: -0.00484753 [V]\nMAX VALUE: 0.00488281 [V]\nREFERENCE\nRECORDING ID: 10118_2025-09-13-225733\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: REMOTE\nOPERATOR: RT\nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-155\nDETECTED SENSOR TYPE: MTC-155\nAC: 0.000635281 [V]\nDC: -0.0186157 [V]\nCAL NAME: 57782_68B8FD0B.scal\nSENSOR SERIAL: 57782\nSATURATION: 0 %\nMIN VALUE: -0.00028685 [V]\nMAX VALUE: 0.000348432 [V]\nRY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-1xx\nAC: 0.00213809 [V]\nDC: -0.0482178 [V]\nCAL NAME: 54879_68B8FD0B.scal\nSENSOR SERIAL: 54879\nSATURATION: 0 %\nMIN VALUE: -0.00104878 [V]\nMAX VALUE: 0.00108931 [V]"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/ashburton-basin-2025/BCP_3018.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": "BCP_3018.edi",
  "input_sha256": "b4ebdc52ef07049c94a4949194b7e2311b98bd2b151cf30a11cea4c16fa6e572"
 },
 "coordinate_qc": null,
 "canonical_conditioning": [
  "survey.id->ashburton-basin-2025",
  "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": 93,
   "phs_xy_median_deg": 67.94,
   "phs_yx_median_deg": -110.32,
   "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/ashburton-basin-2025/BCP_3018.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/ashburton-basin-2025/BCP_3018.xml"
  },
  {
   "id": "mth5",
   "kind": "transfer_function",
   "format": "mth5",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "h5/ashburton-basin-2025/BCP_3018.h5"
  },
  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/ashburton-basin-2025-edi.zip"
  },
  {
   "id": "xml-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/ashburton-basin-2025-xml.zip"
  },
  {
   "id": "survey-mth5",
   "kind": "archive",
   "format": "mth5",
   "path": "bundles/ashburton-basin-2025-tf.h5"
  }
 ]
}