{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.ashburton-basin-2025.BCP_2023",
 "station": "BCP_2023",
 "survey": "Ashburton Basin MT 2025",
 "survey_id": "ashburton-basin-2025",
 "country": "Australia",
 "organisation": "Geological Survey of Western Australia",
 "location": {
  "lat": -22.862083,
  "lon": 116.220389
 },
 "data": {
  "type": "AMT",
  "n_periods": 96,
  "period_min_s": 0.0001,
  "period_max_s": 1456.355572
 },
 "diagnostics": {
  "median_relative_error": 0.007,
  "remote_reference": true,
  "tipper_available": true,
  "completeness_smoothness_diagnostic": {
   "value": 4.9,
   "basis": "e",
   "note": "not a quality or geological-value judgement"
  },
  "classification": "3-D",
  "skew_beta_median_deg": 7.0,
  "pct_periods_3d": 77,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": null,
  "algorithm": null,
  "remote_reference": true,
  "remote_site": "BCP_2007_REMOTE",
  "file_written_by": {
   "name": "Geotools",
   "version": "4.0.3.12574"
  },
  "note": "source.file=BCP_2023.edi (72959.zip!72959/Appendix VII - Final Data/BCP_2023.edi)\nsource.collection=Geological Survey of Western Australia MAGIX registration 72959, Ashburton Basin MT, delivered as 72959.zip\nsource.sha256=bc138df566e64c461ac62d300cbb8bbf3aa0eaa4025e2648b0fc2c9e5ff53988\nsource.copy=provenance/as-delivered/BCP_2023.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 2025-10-10 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 10717_2025-10-10-040633 for its electric channels, a recording that starts at 2025-10-10 04:06:33 UTC, 2025-10-10 12:06:33 in Western Australia (UTC+8); the contractor Appendix II daily field activity report lists BCP_2023 as deployed on 10 October 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=110\nPROJECT NAME: Ashburton\nUNIQUE ID: {309681ce-f6f4-4aa4-b560-d806d2841813}\nPROCESS DATE: 2025-10-13 07:52\nDURATION: 11h \nDECLINATION: 0°\nCOORDINATES: -22° 51' 43.5\", 116° 13' 13.4\"\nGPS (MIN - MAX): 7 - 13\nTEMPERATURE (MIN - MAX): 37° - 59°\nCOMB FILTER: 50 HZ\nFINE ROBUST: NONE\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 6.5072%\nSTATIONS\nELECTRICS\nRECORDING ID: 10717_2025-10-10-040633\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: BCP_2023\nOPERATOR: TG\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 50 [m]\nAC: 0.194994 [V]\nDC: 0.0162125 [V]\nNEGATIVE RES: 938.712 [Ω]\nPOSITIVE RES: 457.392 [Ω]\nSATURATION: 0%\nMIN VALUE: -0.144055 [V]\nMAX VALUE: 0.0509386 [V]\nEY\nTAG: E2\nLENGTH: 50 [m]\nAC: 0.149055 [V]\nDC: 0.0191498 [V]\nNEGATIVE RES: 728.342 [Ω]\nPOSITIVE RES: 1433.69 [Ω]\nSATURATION: 0%\nMIN VALUE: -0.119494 [V]\nMAX VALUE: 0.0295611 [V]\nMAGNETICS\nRECORDING ID: 10717_2025-10-10-040633\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: BCP_2023\nOPERATOR: TG\nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-155\nDETECTED SENSOR TYPE: MTC-155\nAC: 0.00174801 [V]\nDC: -0.0180054 [V]\nCAL NAME: 57782_68B8FD0B.scal\nSENSOR SERIAL: 57782\nSATURATION: 0 %\nMIN VALUE: -0.000784643 [V]\nMAX VALUE: 0.000963362 [V]\nHY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-1xx\nAC: 0.00158575 [V]\nDC: -0.0480652 [V]\nCAL NAME: 54879_68B8FD0B.scal\nSENSOR SERIAL: 54879\nSATURATION: 0 %\nMIN VALUE: -0.000436517 [V]\nMAX VALUE: 0.00114923 [V]\nHZ\nTAG: H3\nSENSOR TYPE: MTC-185\nDETECTED SENSOR TYPE: MTC-185\nAC: 0.000705451 [V]\nDC: 0.0340271 [V]\nCAL NAME: 59508_68B8FD0B.scal\nSENSOR SERIAL: 59508\nSATURATION: 0 %\nMIN VALUE: -0.000312559 [V]\nMAX VALUE: 0.000392891 [V]\nREFERENCE\nRECORDING ID: 10735_2025-10-09-235737\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: BCP_2007_REMOTE\nOPERATOR: TG\nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-155\nDETECTED SENSOR TYPE: MTC-155\nAC: 0.00167912 [V]\nDC: 0.0102234 [V]\nCAL NAME: 57769_68B8EFB6.scal\nSENSOR SERIAL: 57769\nSATURATION: 0 %\nMIN VALUE: -0.000652902 [V]\nMAX VALUE: 0.00102622 [V]\nRY\nTAG: H2\nSENSOR TYPE: MTC-155\nDETECTED SENSOR TYPE: MTC-155\nAC: 0.000917789 [V]\nDC: 0.0360107 [V]\nCAL NAME: 57781_68B8EFB6.scal\nSENSOR SERIAL: 57781\nSATURATION: 0 %\nMIN VALUE: -0.000288762 [V]\nMAX VALUE: 0.000629026 [V]"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/ashburton-basin-2025/BCP_2023.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_2023.edi",
  "input_sha256": "676644e42c698ead5a267bc77d145361b7f35cb0b16be9da07a125b5276c124f"
 },
 "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": 96,
   "phs_xy_median_deg": 25.05,
   "phs_yx_median_deg": -101.81,
   "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_2023.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/ashburton-basin-2025/BCP_2023.xml"
  },
  {
   "id": "mth5",
   "kind": "transfer_function",
   "format": "mth5",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "h5/ashburton-basin-2025/BCP_2023.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"
  }
 ]
}