{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.cariewerloo-2012.CB16",
 "station": "CB16",
 "survey": "Cariewerloo 2012",
 "survey_id": "cariewerloo-2012",
 "country": "Australia",
 "organisation": "Adelaide University",
 "location": {
  "lat": -31.586147,
  "lon": 137.04161
 },
 "data": {
  "type": "BBMT",
  "n_periods": 56,
  "period_min_s": 0.0064,
  "period_max_s": 2183.406114
 },
 "diagnostics": {
  "median_relative_error": 0.084,
  "remote_reference": true,
  "tipper_available": false,
  "completeness_smoothness_diagnostic": {
   "value": 3.7,
   "basis": "e",
   "note": "not a quality or geological-value judgement"
  },
  "classification": "3-D",
  "skew_beta_median_deg": 3.9,
  "pct_periods_3d": 57,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": "BIRRP 5.1",
  "algorithm": null,
  "remote_reference": true,
  "remote_site": null,
  "file_written_by": {
   "name": "Geotools",
   "version": "4.0.5.12583"
  },
  "note": "source.file=CB16.edi (UA_Carriewerloo/CB16.edi)\nsource.collection=Adelaide University's own Geotools 4.0.5.12583 export of the Cariewerloo 2012 survey, folder UA_Carriewerloo, which holds 29 EDI files and nothing else\nsource.sha256=63ef01700671514b3a7e4d5172fafd5740ad50de22b19e49416443c7c892b691\nsource.copy=provenance/as-delivered/CB16.edi in this package, byte identical to the delivery\nrepair.defect=ACQDATE prints the placeholder 01/01/01, which the reader publishes as a start of 2001-01-01; the named value is the field sheet start date of row CB16, the row the distill join matched to this station; FILEDATE=09/19/26 is printed month first with a two digit year\nrepair.change=ACQDATE set to 2012-05-30 from the field sheet, replacing the placeholder 01/01/01, and FILEDATE rewritten 09/19/26 to 2026-09-19; the nine line record inserted after >INFO; no other byte changed\nrepair.basis=the export prints a date month first: all 29 delivered files print FILEDATE=09/19/26, whose second field is 19 and cannot be a month, so no value in this export can be read day first, and Geotools 4.0.5.12583 wrote every one of the 29 files and prints 01/01/01 where its project held no date. The two digit years are named by the caller: 26 is 2026, the export's own year, whose PROGDATE=06/06/25 is a 2025 program build, and 12 is 2012, the year the owner's field sheet dates this survey to. Nothing is guessed\nrepair.ruling=the repair rule of owner ruling 2026-09-18: a header defect the reader refuses or misreads is repaired in the served copy, the delivered file is kept in provenance and the change is recorded in the served file\nrepair.by=AusMT, _tools/repair_edi_header_dates.py\nMAXINFO=46\nSurvey Parameters: \nSampling Frequency (Hz): 1000\nCache Rate (HHMMSS): 001000\nData Logger Gain: 1\nInterface Box Gain: 10\nInstrument Box no: 9\nData Logger: 5437\nHard Drive no: 5454\nInterface Box no: 9\nBattery no: 47 Starting Voltage: 12.7 End Voltage 12.47\nTransfer Functions Computed using BIRRP 5.1  \nCoil Calibration File=F:\\Birrp\\BBConv.txt\nInteraction Level (ILEV)=1\nNumber of outputs (NOUT)=2\nNumber of inputs (NINP)=2\nNumber of Remote Reference time series (NREF)=2\nRemote reference(0) or bounded influence(1)(NRR)=1\nSlepian Filter order (TBW)=2.0\nMax length of fft window (NFFT)=65536\nSection Increment divisor (NSCTINC)=2\nMaximum number of fft sections (NSCTMAX)=12\nFirst frequency extracted (NF1)=3\nFrequency increment per window (NFINC)=1.0\nNumber of frequencies per window (NFSECT)=3\nSmall leverage point control (UIN)=0\nLower leverage point control (AINLIN)=0.0001\nLarge leverage point control (AINUIN)=0.99999\nMagnetic coherence threshold (C2THRESHEB)=0.7\nElectric coherence threshold (C2THRESHE)=0\nZ component (NZ)=0\nCoherence threshold z channel (c2threshe1)=None\nLow and high periods for coherence threshold (PERLO,PERHI)=1000,0.001\nNumber of periods to reject (NPREJ)=0\nPeriods to reject (PREJ)=[]\nOrder of prewhitening filter (NAR)=5\nElectric channel rotation angles (THETAE)=180.0,270.0,173.0\nMagnetic channel rotation angles (THETAB)=0.0,90.0,-7.0\nFinal channel rotation angles (THETAF)=0,90,-7.0\nRemote Reference Station: CB18\nRemote Reference Lat=137.04268\nRemote Reference Long=-31.612831\nRemote Reference Elev=105"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/cariewerloo-2012/CB16.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": "2026-09-21T01:46:08.361354+00:00",
  "input_file": "CB16.edi",
  "input_sha256": "0136321d593741c6fca9e85601f03dd16afa31614c58a95000fbc7f09295cbaf"
 },
 "coordinate_qc": null,
 "canonical_conditioning": [
  "survey.id->cariewerloo-2012",
  "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:Adelaide University",
  "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": 56,
   "phs_xy_median_deg": 26.42,
   "phs_yx_median_deg": -157.09,
   "verdict": "ok"
  },
  "declared_azimuth_deg": 0.0,
  "derotated": false,
  "evidence": {
   "branch": "mt",
   "emeas_azimuths": {
    "ex": null,
    "ey": null
   },
   "hmeas_azimuths": {
    "hx": 0.0,
    "hy": 90.0
   },
   "rotspec": null,
   "trot": null,
   "zrot": "0"
  },
  "frame_served": "declared-zero",
  "impedance_rotation_deg_source": null,
  "tipper_rotation_deg_source": null
 },
 "runs": [
  {
   "id": "CB16-r01",
   "sample_rate_hz": 1000.0,
   "data_logger": {
    "manufacturer": "Earth Data Ltd",
    "model": "PR6-24",
    "serial_number": "60992",
    "identifiers": [
     {
      "scheme": "DOI",
      "identifier": "10.82388/wxmy79ze"
     }
    ]
   },
   "channels": [
    {
     "component": "ex",
     "dipole_length_m": 50.0
    },
    {
     "component": "ey",
     "dipole_length_m": 46.0
    },
    {
     "component": "hx",
     "sensor": {
      "manufacturer": "LEMI",
      "model": "LEMI-120",
      "serial_number": "146"
     }
    },
    {
     "component": "hy",
     "sensor": {
      "manufacturer": "LEMI",
      "model": "LEMI-120",
      "serial_number": "145"
     }
    }
   ]
  }
 ],
 "resources": [
  {
   "id": "edi",
   "kind": "transfer_function",
   "format": "edi",
   "provenance_role": "source",
   "representation_role": "original",
   "path": "edi/cariewerloo-2012/CB16.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/cariewerloo-2012/CB16.xml"
  },
  {
   "id": "mth5",
   "kind": "transfer_function",
   "format": "mth5",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "h5/cariewerloo-2012/CB16.h5"
  },
  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/cariewerloo-2012-edi.zip"
  },
  {
   "id": "xml-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/cariewerloo-2012-xml.zip"
  },
  {
   "id": "survey-mth5",
   "kind": "archive",
   "format": "mth5",
   "path": "bundles/cariewerloo-2012-tf.h5"
  }
 ]
}