{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.carpentaria-conductivity-anomaly-2023-24.CA02040R",
 "station": "CA02040R",
 "survey": "Carpentaria Conductivity Anomaly Magnetotelluric Survey 2023-24 (Geological Survey of Queensland)",
 "survey_id": "carpentaria-conductivity-anomaly-2023-24",
 "country": "Australia",
 "organisation": "Geological Survey of Queensland",
 "location": {
  "lat": -20.719631,
  "lon": 138.482831
 },
 "data": {
  "type": "AMT",
  "n_periods": 79,
  "period_min_s": 9.9e-05,
  "period_max_s": 1191.568462
 },
 "diagnostics": {
  "median_relative_error": 0.009,
  "remote_reference": true,
  "tipper_available": true,
  "completeness_smoothness_diagnostic": {
   "value": 5.0,
   "basis": "e",
   "note": "not a quality or geological-value judgement"
  },
  "classification": "2-D",
  "skew_beta_median_deg": 1.3,
  "pct_periods_3d": 9,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": "EGBERT V5.7",
  "algorithm": null,
  "remote_reference": true,
  "remote_site": "CA02130",
  "file_written_by": {
   "name": "QUICKLAY",
   "version": "5.8.2.5"
  },
  "note": "GENERAL INFORMATION:\nPROJECT NAME: CCA Magnetotelluric Survey\nPROJECT NUMBER: CA01343S\nDATUM: WGS 84  World\nCONVENTION: Spectra are in RH-positive down co-ordinate system\nTIME DEPENDENCE: e^(+jwt)\n\nPROCESSING INFORMATION:\nPREPROCESSING SOFTWARE: QUICKLAY 5.8.2.5\nMT PROCESSING: EGBERT V5.7\nAUTO COHERENCY CUTOFF: No\nDESIRED COHERENCY CUTOFF: 0.70\nCOHERENCY SORT: Yes\nCOHERENCY WEIGHT: HxRx: 0.25, HxEy: 0.25, HyRy: 0.25, HyEx: 0.25\nCOHERENCY RANGE: 0.50-1.00\nROBUST PROCESSING: Yes\nUSE HZ IN ROBUST PROCESSING: No\nROBUST TOLERANCE: 0.002\nWIDE BAND COHERENCY SORTING: Yes\nPOWERLINE HZ: 50\nSCRUB POWER LINE AC: Yes\nSCRUB ALL FREQUENCIES: Yes\n\nSTATION INFORMATION:\nSITE NAME: CA02040R\nACQUISITION UNIT: C083 \nLAT 20:43:10.67 S\nLNG 138:28:58.19 E\nALTITUDE: 239m\nSTART-UP: 2023/10/07 03:50:56 UTC\nEND-TIME: 2023/10/08 07:50:56 UTC\nBATTERY START: 12.9V\nBATTERY   END: 11.4V\nLF SENSORS:\nEx: GL, Length: 100m, SI: 105 Ohm, Azimuth: 0, AC: 0.002mV, DC: 57.411mV\nEy: GL, Length: 100m, SI: 162 Ohm, Azimuth: 90, AC: 0.008mV, DC: -23.423mV\nHx: Phoenix P50-2125, Azimuth: 0\nHy: Phoenix P50-3117, Azimuth: 90\nHz: Phoenix P80-7117, Azimuth: 0\nHF SENSORS:\nEx: GL, Length: 100m, SI: 105 Ohm, Azimuth: 0, AC: 0.002mV, DC: 57.411mV\nEy: GL, Length: 100m, SI: 162 Ohm, Azimuth: 90, AC: 0.008mV, DC: -23.423mV\nHx: Geometrics GHF-1056, Azimuth: 0\nHy: Geometrics GHF-1057, Azimuth: 90\nHz: Geometrics GHF-1061, Azimuth: 0\n\nREFERENCE INFORMATION:\nREFERENCE STATION NAME: CA02130\nACQUISITION UNIT: C058 \nLAT 20:43:45.90 S\nLNG 138:54:37.80 E\nALTITUDE: 297m\nLF SENSORS:\nHx: Phoenix P50-1963, Azimuth: 0\nHy: Phoenix P50-3105, Azimuth: 90\nHF SENSORS:\nHx: Geometrics GHF-1116, Azimuth: 0\nHy: Geometrics GHF-1118, Azimuth: 90\n\nMT EVENTS FOR BAND: 48000sps Scrubbed\nCA02040R_Run2_Ev.CA02040R_2801416_48k\nMT EVENTS FOR BAND: 12000sps Scrubbed\nCA02040R_Run2_Ev.CA02040R_2801448_12k\nMT EVENTS FOR BAND: 1000sps Scrubbed\nCA02040R_Run2_Ev.CA02040R_280035056_1k\nCA02040R_Run2_Ev.CA02040R_280075056_1k\nCA02040R_Run2_Ev.CA02040R_280115056_1k\nCA02040R_Run2_Ev.CA02040R_280155056_1k\nCA02040R_Run2_Ev.CA02040R_280195056_1k\nCA02040R_Run2_Ev.CA02040R_280235056_1k\nCA02040R_Run2_Ev.CA02040R_281035056_1k\nMT EVENTS FOR BAND: 40sps\nCA02040R_Run2_Ev.SEv_CA02040R_280035056_40"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/carpentaria-conductivity-anomaly-2023-24/CA02040R.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": "CA02040R.edi",
  "input_sha256": "362a8796cc8b1c2c7bf6607acdf56ceaadbc799efcadf0bd598078bb959b5c7b"
 },
 "coordinate_qc": null,
 "canonical_conditioning": [
  "survey.id->carpentaria-conductivity-anomaly-2023-24",
  "rotation: unknown — writer requires array; zeros written, frame NOT asserted",
  "sign_convention: '+' is a library default — EDI carries no machine-readable sign convention; NOT asserted by source",
  "declination.epoch/model: library defaults (epoch=None, model=IGRF) — an EDI states only the declination value; epoch/model NOT asserted by source",
  "citation.authors<-survey_meta:Brown, D.D.; Kerr, J.M.; Aivazpourporgou, S.",
  "citation.title<-survey_meta",
  "copyright.release_status=Data Citation Required; conditions_of_use set from licence CC-BY-4.0 (replaced mt_metadata default boilerplate)"
 ],
 "frame": {
  "convention_check": {
   "detail": null,
   "n_periods_used": 79,
   "phs_xy_median_deg": 37.19,
   "phs_yx_median_deg": -156.06,
   "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
 },
 "resources": [
  {
   "id": "edi",
   "kind": "transfer_function",
   "format": "edi",
   "provenance_role": "source",
   "representation_role": "original",
   "path": "edi/carpentaria-conductivity-anomaly-2023-24/CA02040R.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/carpentaria-conductivity-anomaly-2023-24/CA02040R.xml"
  },
  {
   "id": "mth5",
   "kind": "transfer_function",
   "format": "mth5",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "h5/carpentaria-conductivity-anomaly-2023-24/CA02040R.h5"
  },
  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/carpentaria-conductivity-anomaly-2023-24-edi.zip"
  },
  {
   "id": "xml-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/carpentaria-conductivity-anomaly-2023-24-xml.zip"
  },
  {
   "id": "survey-mth5",
   "kind": "archive",
   "format": "mth5",
   "path": "bundles/carpentaria-conductivity-anomaly-2023-24-tf.h5"
  }
 ]
}