{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.seahorse-2022-23.ROM026",
 "station": "ROM026",
 "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": -32.055972,
  "lon": 125.190472
 },
 "data": {
  "type": "AMT",
  "n_periods": 100,
  "period_min_s": 0.0001,
  "period_max_s": 2912.71072
 },
 "diagnostics": {
  "median_relative_error": 0.001,
  "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": 0.6,
  "pct_periods_3d": 11,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": "EMpower",
  "algorithm": null,
  "remote_reference": true,
  "remote_site": "SHS035D",
  "file_written_by": {
   "name": "EMpower",
   "version": "v1.54.2.5"
  },
  "note": "PROJECT NAME: BHP_Seahorse\nUNIQUE ID: {bda96a41-e3f6-40ae-9db6-81c6e89b97b1}\nPROCESS DATE: 2022-05-29 18:14\nDURATION: 19 h 46 m 35 s \nDECLINATION: 0°\nCOORDINATES: -32° 3' 21.5\", 125° 11' 25.7\"\nGPS (MIN - MAX): 8 - 13\nTEMPERATURE (MIN - MAX): 24° - 35°\nCOMB FILTER: 50HZ\nFINE ROBUST: NONE\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 14.4217%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.85, RATIO: 35% \nSTATIONS\nELECTRICS\nRECORDING ID: 10371_2022-05-27-071513\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: ROM026\nOPERATOR: SW\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 80 [m]\nAC: 0.3125 [V]\nDC: -0.00747681 [V]\nNEGATIVE RES: 1181.25 [Ω]\nPOSITIVE RES: 917.546 [Ω]\nSATURATION: 0.0398202%\nMIN VALUE: -0.15625 [V]\nMAX VALUE: 0.15625 [V]\nEY\nTAG: E2\nLENGTH: 80 [m]\nAC: 0.3125 [V]\nDC: 0.0131989 [V]\nNEGATIVE RES: 553.671 [Ω]\nPOSITIVE RES: 687.251 [Ω]\nSATURATION: 0.100077%\nMIN VALUE: -0.15625 [V]\nMAX VALUE: 0.15625 [V]\nMAGNETICS\nRECORDING ID: 10371_2022-05-27-071513\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: ROM026\nOPERATOR: SW\nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.600504 [V]\nDC: -0.0378418 [V]\nCAL NAME: 54875_6281E1D0.scal\nSENSOR SERIAL: 54875\nSATURATION: 0.000210689 %\nMIN VALUE: -0.288004 [V]\nMAX VALUE: 0.3125 [V]\nHY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.625 [V]\nDC: 0.0152588 [V]\nCAL NAME: 57199_6281E1D0.scal\nSENSOR SERIAL: 57199\nSATURATION: 0.620128 %\nMIN VALUE: -0.3125 [V]\nMAX VALUE: 0.3125 [V]\nHZ\nTAG: H3\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.0840992 [V]\nDC: 0.00198364 [V]\nCAL NAME: 53230_6281E1D0.scal\nSENSOR SERIAL: 53230\nSATURATION: 0 %\nMIN VALUE: -0.0336535 [V]\nMAX VALUE: 0.0504457 [V]\nREFERENCE\nRECORDING ID: 10126_2022-05-27-022214\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: SHS035D\nOPERATOR: SW\nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.625 [V]\nDC: -0.0363159 [V]\nCAL NAME: 57226_62807BBC.scal\nSENSOR SERIAL: 57226\nSATURATION: 0.000912985 %\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: -0.0363159 [V]\nCAL NAME: 57236_62807BBC.scal\nSENSOR SERIAL: 57226\nSATURATION: 0.000912985 %\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/ROM026.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": "ROM026.edi",
  "input_sha256": "46b1feeca3849b0c49b46f598ae134c8c837929112535da65156c80dcb787a1e",
  "source": {
   "original_filename": "ROM026.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/ROM026.edi"
  }
 },
 "coordinate_qc": null,
 "canonical_conditioning": null,
 "frame": {
  "convention_check": {
   "detail": null,
   "n_periods_used": 99,
   "phs_xy_median_deg": 42.4,
   "phs_yx_median_deg": -139.53,
   "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": [
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   "id": "edi",
   "kind": "transfer_function",
   "format": "edi",
   "provenance_role": "source",
   "representation_role": "original",
   "path": "edi/seahorse-2022-23/ROM026.edi"
  },
  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/seahorse-2022-23-edi.zip"
  }
 ]
}