{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.seahorse-2022-23.MOO04008M",
 "station": "MOO04008M",
 "survey": "Seahorse Magnetotelluric Survey 2022-23 (BHP, released by the Geological Survey of Western Australia)",
 "survey_id": "seahorse-2022-23",
 "country": "Australia",
 "organisation": "Geological Survey of Western Australia",
 "location": {
  "lat": -31.129,
  "lon": 125.499167
 },
 "data": {
  "type": "AMT",
  "n_periods": 96,
  "period_min_s": 0.0001,
  "period_max_s": 1456.355572
 },
 "diagnostics": {
  "median_relative_error": 0.001,
  "remote_reference": true,
  "tipper_available": true,
  "completeness_smoothness_diagnostic": {
   "value": 4.9,
   "basis": "e",
   "note": "not a quality or geological-value judgement"
  },
  "classification": "1-D",
  "skew_beta_median_deg": 0.5,
  "pct_periods_3d": 9,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": null,
  "algorithm": null,
  "remote_reference": true,
  "remote_site": "MOO04008M",
  "file_written_by": {
   "name": "Geotools",
   "version": "3.2.0.12489"
  },
  "note": "source.file=MOO04008M.edi (BHP_Seahorse_2023_MT.zip!BHP_Seahorse_2023_MT/Appendix VII Final Data (EDI files + plots)/EDI files/MORPHY ORG/FINAL_MT_20230508/MOO04008M.edi)\nsource.collection=Geological Survey of Western Australia MAGIX registration 72411, Seahorse MT 2022-23, archive BHP_Seahorse_2023_MT.zip of the delivery package https://geodownloads.dmp.wa.gov.au/downloads/geophysics/72411, folder MORPHY ORG/FINAL_MT_20230508\nsource.sha256=528ed7c7106078335afb995724bab9617b50e9a37e3b17e2ab13125ac17a1c25\nsource.copy=provenance/as-delivered/MOO04008M.edi in this package, byte identical to the delivery\nrepair.defect=ACQDATE prints 01/01/01, the Geotools placeholder for no date, which the reader publishes as a start of 2001-01-01; FILEDATE=05/08/23 is printed month first with a two digit year\nrepair.change=ACQDATE set to 2023-01-16 and FILEDATE rewritten 05/08/23 to 2023-05-08; the nine line record inserted after >INFO; no other byte changed\nrepair.basis=the date is the date printed in this file's own first >INFO RECORDING ID, 10600_2023-01-16-000507, the electric recording of this sounding, taken as printed; the exporter, Geotools 3.2.0.12489, which wrote all 383 files of the 2023 archive, prints dates month first: every one of those files prints PROGDATE=12/22/22, whose second field is 22 and cannot be a month, and the 3 of them that print an acquisition date print 02/17/23, 02/19/23 and 02/22/23, whose second fields are also above 12\nrepair.ruling=the repair rule of owner ruling 2026-09-18: a header defect the reader refuses or misreads is repaired in the served copy, the delivered file is kept in provenance and the change is recorded in the served file\nrepair.by=AusMT, _tools/repair_edi_header_dates.py\nMAXINFO=113\nPROJECT NAME: BHPSeahorse\nUNIQUE ID: {17385514-93c1-4fc7-98ae-f8aabfbcb2fe}\nPROCESS DATE: 2023-01-17 09:11\nDURATION: 9 h \nDECLINATION: 0°\nCOORDINATES: -31° 7' 44.4\", 125° 29' 57.0\"\nGPS (MIN - MAX): 8 - 13\nTEMPERATURE (MIN - MAX): 32° - 56°\nCOMB FILTER: 50HZ\nFINE ROBUST: NONE\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 69.9839%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.85, RATIO: 35% \nSTATIONS\nELECTRICS\nRECORDING ID: 10600_2023-01-16-000507\nINSTRUMENT TYPE: MTU-8A\nSTATION NAME: MOO04008M\nOPERATOR: JAKE\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 78 [m]\nAC: 0.625 [V]\nDC: 0.0179672 [V]\nNEGATIVE RES: 1177.11 [Ω]\nPOSITIVE RES: 1480.54 [Ω]\nSATURATION: 3.16512%\nMIN VALUE: -0.3125 [V]\nMAX VALUE: 0.3125 [V]\nEY\nTAG: E2\nLENGTH: 80 [m]\nAC: 0.625 [V]\nDC: -0.00259399 [V]\nNEGATIVE RES: 2291.87 [Ω]\nPOSITIVE RES: 1398.28 [Ω]\nSATURATION: 3.88534%\nMIN VALUE: -0.3125 [V]\nMAX VALUE: 0.3125 [V]\nMAGNETICS\nRECORDING ID: 10600_2023-01-16-000507\nINSTRUMENT TYPE: MTU-8A\nSTATION NAME: MOO04008M\nOPERATOR: JAKE\nAZIMUTH: 0\nHX\nTAG: H4\nSENSOR TYPE: AMTC-30\nDETECTED SENSOR TYPE: AMTC-30\nAC: 5 [V]\nDC: 0.0012207 [V]\nCAL NAME: 1763_6390046F.scal\nSENSOR SERIAL: 1763\nSATURATION: 0.00385802 %\nMIN VALUE: -2.5 [V]\nMAX VALUE: 2.5 [V]\nHY\nTAG: H5\nSENSOR TYPE: AMTC-30\nDETECTED SENSOR TYPE: AMTC-30\nAC: 5 [V]\nDC: 0.00213623 [V]\nCAL NAME: 1762_6390046F.scal\nSENSOR SERIAL: 1762\nSATURATION: 0.00570988 %\nMIN VALUE: -2.5 [V]\nMAX VALUE: 2.5 [V]\nHZ\nTAG: H6\nSENSOR TYPE: AMTC-30\nDETECTED SENSOR TYPE: AMTC-30\nAC: 0.500329 [V]\nDC: 0.00244141 [V]\nCAL NAME: 2055_6390046F.scal\nSENSOR SERIAL: 2055\nSATURATION: 0 %\nMIN VALUE: -0.25335 [V]\nMAX VALUE: 0.246979 [V]\nREFERENCE\nRECORDING ID: 10600_2023-01-16-000507\nINSTRUMENT TYPE: MTU-8A\nSTATION NAME: MOO04008M\nOPERATOR: JAKE\nAZIMUTH: 0\nRX\nTAG: H4\nSENSOR TYPE: AMTC-30\nDETECTED SENSOR TYPE: AMTC-30\nAC: 5 [V]\nDC: 0.0012207 [V]\nCAL NAME: 1763_6390046F.scal\nSENSOR SERIAL: 1763\nSATURATION: 0.00385802 %\nMIN VALUE: -2.5 [V]\nMAX VALUE: 2.5 [V]\nRY\nTAG: H4\nSENSOR TYPE: AMTC-30\nDETECTED SENSOR TYPE: AMTC-30\nAC: 5 [V]\nDC: 0.0012207 [V]\nCAL NAME: 1762_6390046F.scal\nSENSOR SERIAL: 1763\nSATURATION: 0.00385802 %\nMIN VALUE: -2.5 [V]\nMAX VALUE: 2.5 [V]"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/seahorse-2022-23/MOO04008M.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": "MOO04008M.edi",
  "input_sha256": "16ca01f35ec60e1adb1007a8465155027b9f417a19f206dacdd78897bd3a879f",
  "source": {
   "original_filename": "MOO04008M.edi",
   "source_record_id": "BHP_Seahorse_2023_MT.zip!BHP_Seahorse_2023_MT/Appendix VII Final Data (EDI files + plots)/EDI files/MORPHY ORG/FINAL_MT_20230508/MOO04008M.edi"
  }
 },
 "coordinate_qc": null,
 "canonical_conditioning": [
  "survey.id->seahorse-2022-23",
  "station.id set to the sanitised EMTF-XML Site.id",
  "station.source_file_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": 85,
   "phs_xy_median_deg": 53.16,
   "phs_yx_median_deg": -126.32,
   "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/seahorse-2022-23/MOO04008M.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/seahorse-2022-23/MOO04008M.xml"
  },
  {
   "id": "mth5",
   "kind": "transfer_function",
   "format": "mth5",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "h5/seahorse-2022-23/MOO04008M.h5"
  },
  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/seahorse-2022-23-edi.zip"
  },
  {
   "id": "xml-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/seahorse-2022-23-xml.zip"
  },
  {
   "id": "survey-mth5",
   "kind": "archive",
   "format": "mth5",
   "path": "bundles/seahorse-2022-23-tf.h5"
  }
 ]
}