{
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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": -31.6895,
  "lon": 125.217278
 },
 "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": 4.9,
   "basis": "e",
   "note": "not a quality or geological-value judgement"
  },
  "classification": "1-D",
  "skew_beta_median_deg": 0.4,
  "pct_periods_3d": 9,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
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  "algorithm": null,
  "remote_reference": true,
  "remote_site": "REMOTE026",
  "file_written_by": {
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  "note": "PROJECT NAME: BHP_Seahorse\nUNIQUE ID: {54a43ba3-27e0-414f-b10b-b392b2241ef6}\nPROCESS DATE: 2022-07-06 09:33\nDURATION: 18 h 44 m 21 s \nDECLINATION: 0°\nCOORDINATES: -31° 41' 22.2\", 125° 13' 2.2\"\nGPS (MIN - MAX): 8 - 13\nTEMPERATURE (MIN - MAX): 20° - 37°\nCOMB FILTER: 50HZ\nFINE ROBUST: NONE\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 24.0187%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.85, RATIO: 35% \nSTATIONS\nELECTRICS\nRECORDING ID: 10194_2022-07-05-041540\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: HIP020\nOPERATOR: SW\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 80 [m]\nAC: 0.3125 [V]\nDC: 0.0178528 [V]\nNEGATIVE RES: 86.6263 [Ω]\nPOSITIVE RES: 250.96 [Ω]\nSATURATION: 0.000518818%\nMIN VALUE: -0.15625 [V]\nMAX VALUE: 0.15625 [V]\nEY\nTAG: E2\nLENGTH: 80 [m]\nAC: 0.3125 [V]\nDC: 0.0063324 [V]\nNEGATIVE RES: 561.605 [Ω]\nPOSITIVE RES: 396.24 [Ω]\nSATURATION: 0.00200116%\nMIN VALUE: -0.15625 [V]\nMAX VALUE: 0.15625 [V]\nMAGNETICS\nRECORDING ID: 10194_2022-07-05-041540\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: HIP020\nOPERATOR: SW\nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.459277 [V]\nDC: -0.0265503 [V]\nCAL NAME: 57010_6280BC3B.scal\nSENSOR SERIAL: 57010\nSATURATION: 0.398823 %\nMIN VALUE: -0.146777 [V]\nMAX VALUE: 0.3125 [V]\nHY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.154639 [V]\nDC: 0.00564575 [V]\nCAL NAME: 57016_6280BC3B.scal\nSENSOR SERIAL: 57016\nSATURATION: 0 %\nMIN VALUE: -0.0633467 [V]\nMAX VALUE: 0.091292 [V]\nHZ\nTAG: H3\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.623957 [V]\nDC: -0.0653076 [V]\nCAL NAME: 53292_6280BC3B.scal\nSENSOR SERIAL: 53292\nSATURATION: 0.601014 %\nMIN VALUE: -0.311457 [V]\nMAX VALUE: 0.3125 [V]\nREFERENCE\nRECORDING ID: 15019_2022-07-04-225856\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: REMOTE026\nOPERATOR: SW\nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.143306 [V]\nDC: -0.0375366 [V]\nCAL NAME: 57226_62807BBC.scal\nSENSOR SERIAL: 57226\nSATURATION: 0 %\nMIN VALUE: -0.0697463 [V]\nMAX VALUE: 0.07356 [V]\nRY\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.143306 [V]\nDC: -0.0375366 [V]\nCAL NAME: 57236_62807BBC.scal\nSENSOR SERIAL: 57226\nSATURATION: 0 %\nMIN VALUE: -0.0697463 [V]\nMAX VALUE: 0.07356 [V]"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/seahorse-2022-23/HIP020.edi"
 },
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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",
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    "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": "2026-09-28T03:46:37.537752+00:00",
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  "input_sha256": "d30aba547e28f74704f750498d16e61ae33f3966d9925e25746b56fc0f89adab",
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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/Hippo/HIP020.edi"
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 },
 "coordinate_qc": null,
 "canonical_conditioning": null,
 "frame": {
  "convention_check": {
   "detail": null,
   "n_periods_used": 97,
   "phs_xy_median_deg": 49.2,
   "phs_yx_median_deg": -136.07,
   "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
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  "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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