{
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 "version": "0.1",
 "ausmt_id": "au.lawn-hill-riversleigh-2020.RVL1010",
 "station": "RVL1010",
 "survey": "Lawn Hill - Riversleigh Magnetotelluric Survey 2020 (Geological Survey of Queensland)",
 "survey_id": "lawn-hill-riversleigh-2020",
 "country": "Australia",
 "organisation": "Geological Survey of Queensland",
 "location": {
  "lat": -19.088778,
  "lon": 138.765139
 },
 "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": 0.9,
  "pct_periods_3d": 38,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": "EMpower",
  "algorithm": null,
  "remote_reference": true,
  "remote_site": "RVL1020",
  "file_written_by": {
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   "version": "v1.48.1.2"
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  "note": "PROJECT NAME: Riversleigh\nUNIQUE ID: {56c0627f-aaee-4cbc-9902-312a70067e3c}\nPROCESS DATE: 2020-10-17 13:53\nDURATION: 21 h 3 m 24 s \nDECLINATION: 5°\nCOORDINATES: -19° 5' 19.6\", 138° 45' 54.5\"\nGPS (MIN - MAX): 7 - 14\nTEMPERATURE (MIN - MAX): 41° - 56°\nCOMB FILTER: 50HZ\nFINE ROBUST: NONE\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 39.9569%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.85, RATIO: 85% \nSTATIONS\nELECTRICS\nRECORDING ID: 10127_2020-10-16-020114\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: RVL1010\nOPERATOR: NM\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 80 [m]\nAC: 1.25 [V]\nDC: -0.0170898 [V]\nNEGATIVE RES: 2891.05 [Ω]\nPOSITIVE RES: 3113.55 [Ω]\nSATURATION: 0.00164899%\nMIN VALUE: -0.625 [V]\nMAX VALUE: 0.625 [V]\nEY\nTAG: E2\nLENGTH: 78 [m]\nAC: 1.25 [V]\nDC: -0.0144196 [V]\nNEGATIVE RES: 2818.78 [Ω]\nPOSITIVE RES: 2048.7 [Ω]\nSATURATION: 0.000593636%\nMIN VALUE: -0.625 [V]\nMAX VALUE: 0.625 [V]\nMAGNETICS\nRECORDING ID: 10127_2020-10-16-020114\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: RVL1010\nOPERATOR: NM\nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.660315 [V]\nDC: 0.00900269 [V]\nCAL NAME: 57011_5F531AE1.scal\nSENSOR SERIAL: 57011\nSATURATION: 0 %\nMIN VALUE: -0.343077 [V]\nMAX VALUE: 0.317238 [V]\nHY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 1.95847 [V]\nDC: -0.0302124 [V]\nCAL NAME: 57010_5F531AE1.scal\nSENSOR SERIAL: 57010\nSATURATION: 0.0096301 %\nMIN VALUE: -0.708474 [V]\nMAX VALUE: 1.25 [V]\nHZ\nTAG: H3\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.0145605 [V]\nDC: -0.0349426 [V]\nCAL NAME: 53227_5F531F89.scal\nSENSOR SERIAL: 53227\nSATURATION: 0 %\nMIN VALUE: -0.00462681 [V]\nMAX VALUE: 0.00993371 [V]\nREFERENCE\nRECORDING ID: 10195_2020-10-16-003211\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: RVL1020\nOPERATOR: NM\nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.627785 [V]\nDC: 0.00823975 [V]\nCAL NAME: 57016_5F531F89.scal\nSENSOR SERIAL: 57016\nSATURATION: 0 %\nMIN VALUE: -0.34529 [V]\nMAX VALUE: 0.282495 [V]\nRY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.433816 [V]\nDC: -0.0482178 [V]\nCAL NAME: 54879_5F531F89.scal\nSENSOR SERIAL: 54879\nSATURATION: 0 %\nMIN VALUE: -0.189422 [V]\nMAX VALUE: 0.244394 [V]"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY",
  "edi_path": "edi/lawn-hill-riversleigh-2020/RVL1010.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": "2026-09-20T04:08:35.832153+00:00",
  "input_file": "RVL1010.edi",
  "input_sha256": "3acedf0b09491e9e97b9ef29667d95822b4cdbc01df6e3ed973c708be9b70956",
  "source": {
   "original_filename": "RVL1010.edi",
   "source_record_id": "collection.zip!mt100208/Riversleigh MT Data.zip!Report/Appendix III - Final Data (EDI + Curve Plots)/RVL1010.edi"
  }
 },
 "coordinate_qc": null,
 "canonical_conditioning": null,
 "frame": {
  "convention_check": {
   "detail": null,
   "n_periods_used": 94,
   "phs_xy_median_deg": 48.93,
   "phs_yx_median_deg": -126.76,
   "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,
  "survey_frame_note": "frame: mixed declared frames across stations: -40°…0° — each station is served in its own declared acquisition frame; this survey does not share one frame (nothing de-rotated)"
 },
 "resources": [
  {
   "id": "edi",
   "kind": "transfer_function",
   "format": "edi",
   "provenance_role": "source",
   "representation_role": "original",
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  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/lawn-hill-riversleigh-2020-edi.zip"
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 ]
}