{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.seahorse-2022-23.HIP025",
 "station": "HIP025",
 "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": -31.69925,
  "lon": 125.268722
 },
 "data": {
  "type": "AMT",
  "n_periods": 100,
  "period_min_s": 0.0001,
  "period_max_s": 2912.71072
 },
 "diagnostics": {
  "median_relative_error": 0.002,
  "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": 19,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": "EMpower",
  "algorithm": null,
  "remote_reference": true,
  "remote_site": "REMOTE026",
  "file_written_by": {
   "name": "EMpower",
   "version": "v1.54.2.5"
  },
  "note": "PROJECT NAME: BHP_Seahorse\nUNIQUE ID: {05621345-6e65-4b22-b1d9-f56b5037a499}\nPROCESS DATE: 2022-07-07 12:14\nDURATION: 19 h 10 m 49 s \nDECLINATION: 0°\nCOORDINATES: -31° 41' 57.3\", 125° 16' 7.4\"\nGPS (MIN - MAX): 8 - 13\nTEMPERATURE (MIN - MAX): 26° - 39°\nCOMB FILTER: 50HZ\nFINE ROBUST: NONE\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 27.2575%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.85, RATIO: 35% \nSTATIONS\nELECTRICS\nRECORDING ID: 10127_2022-07-06-033306\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: HIP025\nOPERATOR: SW\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 80 [m]\nAC: 0.3125 [V]\nDC: -0.010376 [V]\nNEGATIVE RES: 777.344 [Ω]\nPOSITIVE RES: 754.583 [Ω]\nSATURATION: 0.00267926%\nMIN VALUE: -0.15625 [V]\nMAX VALUE: 0.15625 [V]\nEY\nTAG: E2\nLENGTH: 80 [m]\nAC: 0.3125 [V]\nDC: 0.00976563 [V]\nNEGATIVE RES: 843.699 [Ω]\nPOSITIVE RES: 682.902 [Ω]\nSATURATION: 0.0102101%\nMIN VALUE: -0.15625 [V]\nMAX VALUE: 0.15625 [V]\nMAGNETICS\nRECORDING ID: 10127_2022-07-06-033306\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: HIP025\nOPERATOR: SW\nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.212344 [V]\nDC: -0.0349426 [V]\nCAL NAME: 54875_6281E1D0.scal\nSENSOR SERIAL: 54875\nSATURATION: 0 %\nMIN VALUE: -0.108394 [V]\nMAX VALUE: 0.10395 [V]\nHY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.435187 [V]\nDC: -0.027771 [V]\nCAL NAME: 54881_62807BD6.scal\nSENSOR SERIAL: 54881\nSATURATION: 0 %\nMIN VALUE: -0.242245 [V]\nMAX VALUE: 0.192941 [V]\nHZ\nTAG: H3\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.186421 [V]\nDC: 0.00106812 [V]\nCAL NAME: 53230_6281E1D0.scal\nSENSOR SERIAL: 53230\nSATURATION: 0 %\nMIN VALUE: -0.00650823 [V]\nMAX VALUE: 0.179913 [V]\nREFERENCE\nRECORDING ID: 15019_2022-07-05-232153\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: REMOTE026\nOPERATOR: SW\nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.568356 [V]\nDC: -0.0372314 [V]\nCAL NAME: 57226_62807BBC.scal\nSENSOR SERIAL: 57226\nSATURATION: 0 %\nMIN VALUE: -0.0926057 [V]\nMAX VALUE: 0.47575 [V]\nRY\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.568356 [V]\nDC: -0.0372314 [V]\nCAL NAME: 57236_62807BBC.scal\nSENSOR SERIAL: 57226\nSATURATION: 0 %\nMIN VALUE: -0.0926057 [V]\nMAX VALUE: 0.47575 [V]"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/seahorse-2022-23/HIP025.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": "HIP025.edi",
  "input_sha256": "66f657a2b9f9d35a814172375c1823ddcbd59a7c56b4c08ac19f111134fedc07",
  "source": {
   "original_filename": "HIP025.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/Hippo/HIP025.edi"
  }
 },
 "coordinate_qc": null,
 "canonical_conditioning": null,
 "frame": {
  "convention_check": {
   "detail": null,
   "n_periods_used": 98,
   "phs_xy_median_deg": 36.29,
   "phs_yx_median_deg": -135.34,
   "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/HIP025.edi"
  },
  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/seahorse-2022-23-edi.zip"
  }
 ]
}