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 "survey_id": "black-cat-bore-2022",
 "country": "Australia",
 "organisation": "Geological Survey of Queensland",
 "location": {
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  "lon": 140.151611
 },
 "data": {
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  "n_periods": 100,
  "period_min_s": 0.0001,
  "period_max_s": 2912.71072
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  "remote_reference": true,
  "tipper_available": true,
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   "basis": "e",
   "note": "not a quality or geological-value judgement"
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  "pct_periods_3d": 30,
  "method": "phase-tensor (Caldwell 2004)",
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  "note": "PROJECT NAME: Red Metal_Q2_2022\nUNIQUE ID: {0d6a7b6d-83e5-4419-80ef-a209c6834325}\nPROCESS DATE: 2022-04-10 06:57\nDURATION: 20 h 39 m 27 s \nDECLINATION: 6°\nCOORDINATES: -19° 32' 54.6\", 140° 9' 5.8\"\nGPS (MIN - MAX): 7 - 12\nTEMPERATURE (MIN - MAX): 38° - 63°\nCOMB FILTER: 50HZ\nFINE ROBUST: ENABLED\nROBUST ALGORITHM: Multiple Coherence, RATIO: 0.25, ATTACK: 0.75\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 41.8047%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.85, RATIO: 45% \nSTATIONS\nELECTRICS\nRECORDING ID: 10194_2022-04-08-023632\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: BC065\nOPERATOR: PW\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 80 [m]\nAC: 0.856596 [V]\nDC: -0.00038147 [V]\nNEGATIVE RES: 250.977 [Ω]\nPOSITIVE RES: 235.458 [Ω]\nSATURATION: 0%\nMIN VALUE: -0.386773 [V]\nMAX VALUE: 0.469824 [V]\nEY\nTAG: E2\nLENGTH: 80 [m]\nAC: 0.414871 [V]\nDC: -0.0037384 [V]\nNEGATIVE RES: 311.259 [Ω]\nPOSITIVE RES: 223.017 [Ω]\nSATURATION: 0%\nMIN VALUE: -0.222064 [V]\nMAX VALUE: 0.192807 [V]\nMAGNETICS\nRECORDING ID: 10194_2022-04-08-023632\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: BC065\nOPERATOR: PW\nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.252313 [V]\nDC: -0.039978 [V]\nCAL NAME: --- \nSENSOR SERIAL: 54875\nSATURATION: 0 %\nMIN VALUE: -0.12285 [V]\nMAX VALUE: 0.129463 [V]\nHY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.451401 [V]\nDC: 0.00900269 [V]\nCAL NAME: --- \nSENSOR SERIAL: 57055\nSATURATION: 0 %\nMIN VALUE: -0.230587 [V]\nMAX VALUE: 0.220814 [V]\nHZ\nTAG: H3\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.0494713 [V]\nDC: -0.071106 [V]\nCAL NAME: --- \nSENSOR SERIAL: 53292\nSATURATION: 0 %\nMIN VALUE: -0.0132301 [V]\nMAX VALUE: 0.0362411 [V]\nREFERENCE\nRECORDING ID: 10372_2022-04-08-005815\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: BC057\nOPERATOR: PW\nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.252313 [V]\nDC: -0.039978 [V]\nCAL NAME: --- \nSENSOR SERIAL: 54875\nSATURATION: 0 %\nMIN VALUE: -0.12285 [V]\nMAX VALUE: 0.129463 [V]\nRY\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.252313 [V]\nDC: -0.039978 [V]\nCAL NAME: --- \nSENSOR SERIAL: 54875\nSATURATION: 0 %\nMIN VALUE: -0.12285 [V]\nMAX VALUE: 0.129463 [V]"
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  "license": "CC-BY-4.0",
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 },
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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"
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   "diagnostic": "completeness/smoothness (median rel error + coverage + smoothness)"
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 "coordinate_qc": null,
 "canonical_conditioning": null,
 "frame": {
  "convention_check": {
   "detail": null,
   "n_periods_used": 96,
   "phs_xy_median_deg": 32.19,
   "phs_yx_median_deg": -134.4,
   "verdict": "ok"
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  "declared_azimuth_deg": 0.0,
  "derotated": false,
  "evidence": {
   "branch": "spectra",
   "emeas_azimuths": {
    "ex": null,
    "ey": null
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   "hmeas_azimuths": {
    "hx": 0.0,
    "hy": 90.0
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   "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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