{
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 "version": "0.1",
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 "survey": "Black Cat Bore Magnetotelluric Survey 2022 (Geological Survey of Queensland)",
 "survey_id": "black-cat-bore-2022",
 "country": "Australia",
 "organisation": "Geological Survey of Queensland",
 "location": {
  "lat": -19.575472,
  "lon": 140.146722
 },
 "data": {
  "type": "AMT",
  "n_periods": 104,
  "period_min_s": 0.0001,
  "period_max_s": 5825.42144
 },
 "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": "3-D",
  "skew_beta_median_deg": 1.1,
  "pct_periods_3d": 41,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
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  "software": "EMpower",
  "algorithm": null,
  "remote_reference": true,
  "remote_site": "BC021R",
  "file_written_by": {
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  "note": "PROJECT NAME: Red Metal_Q2_2022\nUNIQUE ID: {539cd53b-f3cd-45f6-9ef1-8bcfad56bf5b}\nPROCESS DATE: 2022-04-04 11:10\nDURATION: 45 h 50 m 18 s \nDECLINATION: 6°\nCOORDINATES: -19° 34' 31.7\", 140° 8' 48.2\"\nGPS (MIN - MAX): 7 - 12\nTEMPERATURE (MIN - MAX): 38° - 60°\nCOMB FILTER: 50HZ\nFINE ROBUST: ENABLED\nROBUST ALGORITHM: Multiple Coherence, RATIO: 0.35, ATTACK: 0.85\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 11.2727%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.85, RATIO: 20% \nSTATIONS\nELECTRICS\nRECORDING ID: 10126_2022-04-02-000516\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: BC022R\nOPERATOR: PW\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 80 [m]\nAC: 1.25 [V]\nDC: 0.00335693 [V]\nNEGATIVE RES: 438.908 [Ω]\nPOSITIVE RES: 356.754 [Ω]\nSATURATION: 0.000302997%\nMIN VALUE: -0.625 [V]\nMAX VALUE: 0.625 [V]\nEY\nTAG: E2\nLENGTH: 80 [m]\nAC: 0.966433 [V]\nDC: 0.0215149 [V]\nNEGATIVE RES: 359.431 [Ω]\nPOSITIVE RES: 451.623 [Ω]\nSATURATION: 0%\nMIN VALUE: -0.586865 [V]\nMAX VALUE: 0.379568 [V]\nMAGNETICS\nRECORDING ID: 10126_2022-04-02-000516\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: BC022R\nOPERATOR: PW\nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.365734 [V]\nDC: 0.0163269 [V]\nCAL NAME: 54877_619217AE.scal\nSENSOR SERIAL: 54877\nSATURATION: 0 %\nMIN VALUE: -0.190265 [V]\nMAX VALUE: 0.175469 [V]\nHY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: Unknown\nAC: 2.27427 [V]\nDC: -0.000762939 [V]\nCAL NAME: 57249_619C8FF0.scal\nSENSOR SERIAL: 57249\nSATURATION: 3.02997e-5 %\nMIN VALUE: -1.02427 [V]\nMAX VALUE: 1.25 [V]\nHZ\nTAG: H3\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.424675 [V]\nDC: -0.0469971 [V]\nCAL NAME: 53272_619217AE.scal\nSENSOR SERIAL: 53272\nSATURATION: 0 %\nMIN VALUE: -0.20996 [V]\nMAX VALUE: 0.214716 [V]\nREFERENCE\nRECORDING ID: 10118_2022-04-01-221314\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: BC021R\nOPERATOR: PW\nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.365734 [V]\nDC: 0.0163269 [V]\nCAL NAME: 54887_6192186E.scal\nSENSOR SERIAL: 54877\nSATURATION: 0 %\nMIN VALUE: -0.190265 [V]\nMAX VALUE: 0.175469 [V]\nRY\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.365734 [V]\nDC: 0.0163269 [V]\nCAL NAME: 54887_6192186E.scal\nSENSOR SERIAL: 54877\nSATURATION: 0 %\nMIN VALUE: -0.190265 [V]\nMAX VALUE: 0.175469 [V]"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/black-cat-bore-2022/BC022R.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)"
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  "generated": "2026-09-20T04:08:35.832153+00:00",
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  "input_sha256": "19ae9f4154036d311cbc676dabd0052f3ba35ed34d9edadf58d25a7aebf3b4fc",
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   "source_record_id": "mt100453/CEI0292BlackCatBore.zip!Appendix III - Final Data (EDI Curves & Plots)/BC022R.edi"
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 },
 "coordinate_qc": null,
 "canonical_conditioning": null,
 "frame": {
  "convention_check": {
   "detail": null,
   "n_periods_used": 103,
   "phs_xy_median_deg": 34.52,
   "phs_yx_median_deg": -127.65,
   "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",
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