{
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 "version": "0.1",
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 "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": -31.11275,
  "lon": 125.358222
 },
 "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": 0.7,
  "pct_periods_3d": 12,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
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  "algorithm": null,
  "remote_reference": true,
  "remote_site": "REMOTE117",
  "file_written_by": {
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  "note": "PROJECT NAME: BHP_Seahorse\nUNIQUE ID: {1855ab11-d0cf-4d29-8764-9ae789794c56}\nPROCESS DATE: 2022-06-27 16:23\nDURATION: 15 h 46 m 56 s \nDECLINATION: 0°\nCOORDINATES: -31° 6' 45.9\", 125° 21' 29.6\"\nGPS (MIN - MAX): 8 - 13\nTEMPERATURE (MIN - MAX): 19° - 30°\nCOMB FILTER: 50HZ\nFINE ROBUST: NONE\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 17.1845%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.85, RATIO: 35% \nSTATIONS\nELECTRICS\nRECORDING ID: 15025_2022-06-26-064445\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: MOR105\nOPERATOR: SW\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 80 [m]\nAC: 0.416667 [V]\nDC: -0.0171661 [V]\nNEGATIVE RES: 1624.63 [Ω]\nPOSITIVE RES: 1178.96 [Ω]\nSATURATION: 0.00862433%\nMIN VALUE: -0.208333 [V]\nMAX VALUE: 0.208333 [V]\nEY\nTAG: E2\nLENGTH: 80 [m]\nAC: 0.416667 [V]\nDC: 0.0231552 [V]\nNEGATIVE RES: 1243.93 [Ω]\nPOSITIVE RES: 1160.14 [Ω]\nSATURATION: 0.00616024%\nMIN VALUE: -0.208333 [V]\nMAX VALUE: 0.208333 [V]\nMAGNETICS\nRECORDING ID: 10371_2022-06-26-072348\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: MOR104\nOPERATOR: SW\nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.136327 [V]\nDC: 0.0161743 [V]\nCAL NAME: 54877_62807BEF.scal\nSENSOR SERIAL: 54877\nSATURATION: 0 %\nMIN VALUE: -0.0680138 [V]\nMAX VALUE: 0.0683133 [V]\nHY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.120394 [V]\nDC: 0.0195313 [V]\nCAL NAME: 54878_62807BEF.scal\nSENSOR SERIAL: 54878\nSATURATION: 0 %\nMIN VALUE: -0.0568957 [V]\nMAX VALUE: 0.0634986 [V]\nHZ\nTAG: H3\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.0538566 [V]\nDC: 0.0312805 [V]\nCAL NAME: 53314_62807B44.scal\nSENSOR SERIAL: 53314\nSATURATION: 0 %\nMIN VALUE: -0.00645737 [V]\nMAX VALUE: 0.0473992 [V]\nREFERENCE\nRECORDING ID: 10118_2022-06-26-023434\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: REMOTE117\nOPERATOR: SW\nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.186328 [V]\nDC: 0.00900269 [V]\nCAL NAME: 57011_6280BA5E.scal\nSENSOR SERIAL: 57011\nSATURATION: 0 %\nMIN VALUE: -0.100647 [V]\nMAX VALUE: 0.085681 [V]\nRY\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.186328 [V]\nDC: 0.00900269 [V]\nCAL NAME: 57249_62807B44.scal\nSENSOR SERIAL: 57011\nSATURATION: 0 %\nMIN VALUE: -0.100647 [V]\nMAX VALUE: 0.085681 [V]"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/seahorse-2022-23/MOR105.edi"
 },
 "provenance": {
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  "pipeline_version": "0.2.1",
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  "software": {
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   "mt_metadata": "1.0.10",
   "mth5": "0.6.8"
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  "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",
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  "input_sha256": "b81870e642bb372df316747a51894c6e4eb4c2d098d1d857e3b90f5edd20da65",
  "source": {
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   "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/Morphy/MOR105.edi"
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 },
 "coordinate_qc": null,
 "canonical_conditioning": null,
 "frame": {
  "convention_check": {
   "detail": null,
   "n_periods_used": 98,
   "phs_xy_median_deg": 29.55,
   "phs_yx_median_deg": -145.83,
   "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
 },
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   "kind": "transfer_function",
   "format": "edi",
   "provenance_role": "source",
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