{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.curnamona-cube-extension-2023.CCE107",
 "station": "CCE107",
 "survey": "Curnamona Cube Extension Magnetotelluric Survey 2023 (Geoscience Australia)",
 "survey_id": "curnamona-cube-extension-2023",
 "country": "Australia",
 "organisation": "Geoscience Australia",
 "location": {
  "lat": -33.738517,
  "lon": 141.742131
 },
 "data": {
  "type": "AMT",
  "n_periods": 79,
  "period_min_s": 9.9e-05,
  "period_max_s": 1191.568462
 },
 "diagnostics": {
  "median_relative_error": 0.008,
  "remote_reference": true,
  "tipper_available": true,
  "completeness_smoothness_diagnostic": {
   "value": 5.0,
   "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": {
  "software": "EGBERT V5.7",
  "algorithm": null,
  "remote_reference": true,
  "remote_site": "CCE047",
  "file_written_by": {
   "name": "QUICKLAY",
   "version": "5.8.2.2"
  },
  "note": "GENERAL INFORMATION:\nPROJECT NAME: \nPROJECT NUMBER: \nDATUM: WGS 84  World\nCONVENTION: Spectra are in RH-positive down co-ordinate system\nTIME DEPENDENCE: e^(+jwt)\n\nPROCESSING INFORMATION:\nPREPROCESSING SOFTWARE: QUICKLAY 5.8.2.2\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: CCE107\nACQUISITION UNIT: C068 \nLAT 33:44:18.66 S\nLNG 141:44:31.67 E\nALTITUDE: 56m\nSTART-UP: 2023/03/15 06:59:55 UTC\nEND-TIME: 2023/03/16 11:03:18 UTC\nBATTERY START: 12.6V\nBATTERY   END: 11.1V\nLF SENSORS:\nEx: GL, Length: 100m, SI: 2 kOhm, Azimuth: 0, AC: 0.043mV, DC: -12.038mV\nEy: GL, Length: 100m, SI: 1.46 kOhm, Azimuth: 90, AC: 0.035mV, DC: 10.427mV\nHx: Phoenix P50-3123, Azimuth: 0\nHy: Phoenix P50-3136, Azimuth: 90\nHz: Phoenix P80-7011, Azimuth: 0\nHF SENSORS:\nEx: GL, Length: 100m, SI: 2 kOhm, Azimuth: 0, AC: 0.043mV, DC: -12.038mV\nEy: GL, Length: 100m, SI: 1.46 kOhm, Azimuth: 90, AC: 0.035mV, DC: 10.427mV\nHx: Geometrics GHF-1075, Azimuth: 0\nHy: Geometrics GHF-1098, Azimuth: 90\nHz: Geometrics GHF-1462, Azimuth: 0\n\nREFERENCE INFORMATION:\nREFERENCE STATION NAME: CCE047\nACQUISITION UNIT: C058 \nLAT 32:45:0.00 S\nLNG 142:44:59.76 E\nALTITUDE: 67m\nLF SENSORS:\nHx: Phoenix P50-2115, Azimuth: 0\nHy: Phoenix P50-3126, Azimuth: 90\nHF SENSORS:\nHx: Geometrics GHF-1052, Azimuth: 0\nHy: Geometrics GHF-1055, Azimuth: 90\n\nMT EVENTS FOR BAND: 48000sps Scrubbed\nCCE107_Ev.CCE107_0741336_48k\nCCE107_Ev.CCE107_0741356_48k\nCCE107_Ev.CCE107_0741516_48k\nMT EVENTS FOR BAND: 12000sps Scrubbed\nCCE107_Ev.CCE107_0741400_12k\nCCE107_Ev.CCE107_0741440_12k\nCCE107_Ev.CCE107_0741508_12k\nMT EVENTS FOR BAND: 1000sps Scrubbed\nCCE107_Ev.CCE107_074105955_1k\nCCE107_Ev.CCE107_074185955_1k\nCCE107_Ev.CCE107_074145955_1k\nCCE107_Ev.CCE107_074065955_1k\nMT EVENTS FOR BAND: 40sps\nCCE107_Ev.SEv_CCE107_074065955_40"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/curnamona-cube-extension-2023/CCE107.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": "CCE107.edi",
  "input_sha256": "2237f9826424ea08c8a2fe2fddcc2f5cb0b109b68367fd1f65a75daaf30caca7"
 },
 "coordinate_qc": null,
 "canonical_conditioning": [
  "survey.id->curnamona-cube-extension-2023",
  "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:Jiang, W.; Kyi, D.; Duan, J.; Hitchman, A.",
  "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": 43.49,
   "phs_yx_median_deg": -137.25,
   "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/curnamona-cube-extension-2023/CCE107.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/curnamona-cube-extension-2023/CCE107.xml"
  },
  {
   "id": "mth5",
   "kind": "transfer_function",
   "format": "mth5",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "h5/curnamona-cube-extension-2023/CCE107.h5"
  },
  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/curnamona-cube-extension-2023-edi.zip"
  },
  {
   "id": "xml-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/curnamona-cube-extension-2023-xml.zip"
  },
  {
   "id": "survey-mth5",
   "kind": "archive",
   "format": "mth5",
   "path": "bundles/curnamona-cube-extension-2023-tf.h5"
  }
 ]
}