{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.seahorse-2022-23.ROM015C",
 "station": "ROM015C",
 "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": -32.042083,
  "lon": 125.134222
 },
 "data": {
  "type": "AMT",
  "n_periods": 104,
  "period_min_s": 0.0001,
  "period_max_s": 5825.42144
 },
 "diagnostics": {
  "median_relative_error": 0.0,
  "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": 0.4,
  "pct_periods_3d": 19,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": "EMpower",
  "algorithm": null,
  "remote_reference": true,
  "remote_site": "REMOTE025",
  "file_written_by": {
   "name": "EMpower",
   "version": "v1.54.2.5"
  },
  "note": "PROJECT NAME: BHP_Seahorse\nUNIQUE ID: {91edde77-5355-4fd2-bce9-1a7a2e006dee}\nPROCESS DATE: 2022-06-11 21:57\nDURATION: 40 h 11 m 35 s \nDECLINATION: 0°\nCOORDINATES: -32° 2' 31.5\", 125° 8' 3.2\"\nGPS (MIN - MAX): 8 - 13\nTEMPERATURE (MIN - MAX): 14° - 36°\nCOMB FILTER: 50HZ\nFINE ROBUST: NONE\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 17.7225%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.85, RATIO: 35% \nSTATIONS\nELECTRICS\nRECORDING ID: 15019_2022-06-02-011618\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: ROM015C\nOPERATOR: SW\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 80 [m]\nAC: 0.416667 [V]\nDC: 0.00461578 [V]\nNEGATIVE RES: 208.151 [Ω]\nPOSITIVE RES: 221.37 [Ω]\nSATURATION: 0.00217699%\nMIN VALUE: -0.208333 [V]\nMAX VALUE: 0.208333 [V]\nEY\nTAG: E2\nLENGTH: 80 [m]\nAC: 0.416667 [V]\nDC: 0.0012207 [V]\nNEGATIVE RES: 362.974 [Ω]\nPOSITIVE RES: 197.386 [Ω]\nSATURATION: 0.00100211%\nMIN VALUE: -0.208333 [V]\nMAX VALUE: 0.208333 [V]\nMAGNETICS\nRECORDING ID: 15019_2022-06-02-011618\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: ROM015C\nOPERATOR: SW\nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 1.16166 [V]\nDC: 0.0149536 [V]\nCAL NAME: 54877_62807BEF.scal\nSENSOR SERIAL: 54877\nSATURATION: 0 %\nMIN VALUE: -0.62136 [V]\nMAX VALUE: 0.540299 [V]\nHY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 1.03179 [V]\nDC: 0.019989 [V]\nCAL NAME: 54878_62807BEF.scal\nSENSOR SERIAL: 54878\nSATURATION: 0 %\nMIN VALUE: -0.490244 [V]\nMAX VALUE: 0.541546 [V]\nHZ\nTAG: H3\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.0656763 [V]\nDC: 0.0341797 [V]\nCAL NAME: 53317_62807BEF.scal\nSENSOR SERIAL: 53317\nSATURATION: 0 %\nMIN VALUE: -0.0296244 [V]\nMAX VALUE: 0.0360519 [V]\nREFERENCE\nRECORDING ID: 10126_2022-06-01-230835\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: REMOTE025\nOPERATOR: SW\nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.625 [V]\nDC: -0.0370789 [V]\nCAL NAME: 57226_62807BBC.scal\nSENSOR SERIAL: 57226\nSATURATION: 0.000345554 %\nMIN VALUE: -0.3125 [V]\nMAX VALUE: 0.3125 [V]\nRY\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.625 [V]\nDC: -0.0370789 [V]\nCAL NAME: 57236_62807BBC.scal\nSENSOR SERIAL: 57226\nSATURATION: 0.000345554 %\nMIN VALUE: -0.3125 [V]\nMAX VALUE: 0.3125 [V]"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/seahorse-2022-23/ROM015C.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": "ROM015C.edi",
  "input_sha256": "a987faf90131d52f70453f0bec14f40eb4177d95cfc5575a91592f2092f2338a",
  "source": {
   "original_filename": "ROM015C.edi",
   "source_record_id": "BHP_Seahorse_2022_MT.zip!BHP_Seahorse_2022_MT/BHP Seahorse 2022 MT Final Report/Appendix III Final Data (EDI files + plots)/EDI files/Roma/ROM015C.edi"
  }
 },
 "coordinate_qc": null,
 "canonical_conditioning": [
  "survey.id->seahorse-2022-23",
  "station.id set to the sanitised EMTF-XML Site.id",
  "survey.geographic_name sanitized",
  "station.source_file_preserved_in_site_name",
  "rotation: unknown — writer requires array; zeros written, frame NOT asserted",
  "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": 104,
   "phs_xy_median_deg": 31.91,
   "phs_yx_median_deg": -145.42,
   "verdict": "ok"
  },
  "declared_azimuth_deg": 0.0,
  "derotated": false,
  "evidence": {
   "branch": "spectra",
   "emeas_azimuths": {
    "ex": null,
    "ey": null
   },
   "hmeas_azimuths": {
    "hx": 0.0,
    "hy": 90.0
   },
   "rotspec": "0",
   "trot": null,
   "zrot": null
  },
  "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/ROM015C.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/seahorse-2022-23/ROM015C.xml"
  },
  {
   "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"
  }
 ]
}