{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.isa-region-2020.33",
 "station": "33",
 "survey": "Isa Region MT Survey",
 "survey_id": "isa-region-2020",
 "country": "Australia",
 "organisation": "Geological Survey of Queensland",
 "location": {
  "lat": -20.960972,
  "lon": 139.996333
 },
 "data": {
  "type": "AMT",
  "n_periods": 100,
  "period_min_s": 0.0001,
  "period_max_s": 2912.904165
 },
 "diagnostics": {
  "median_relative_error": 2.304,
  "remote_reference": true,
  "tipper_available": true,
  "completeness_smoothness_diagnostic": {
   "value": 2.5,
   "basis": "e",
   "note": "not a quality or geological-value judgement"
  },
  "classification": "3-D",
  "skew_beta_median_deg": 2.5,
  "pct_periods_3d": 43,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": "EMpower",
  "algorithm": null,
  "remote_reference": true,
  "remote_site": "75",
  "file_written_by": {
   "name": "Geotools",
   "version": "1.9.6.12351"
  },
  "note": "source.file=33.edi (collection.zip!mt100092/Edited edis.zip!Edited edis/33 EDI.edi)\nsource.collection=Geological Survey of Queensland Open Data Portal record mt100092, Isa Region MT Survey, fetched as collection.zip\nsource.sha256=0ff9188f751bf9c114aca1ceef346ac590b24145999322d6853d26c97f2a8b14\nsource.copy=provenance/as-delivered/33.edi in this package, byte identical to the delivery\nrepair.defect=ACQDATE=01/01/01 is the Geotools placeholder for a date the export did not carry, which a reader takes as 2001-01-01; FILEDATE=04/24/20 is written month/day/year\nrepair.change=ACQDATE set to 2020-04-01 and FILEDATE rewritten 04/24/20 to 2020-04-24, the same day in ISO 8601; no other byte is changed apart from the padding after a value that grew\nrepair.basis=the same sounding EMpower export inside this same release, collection.zip!mt100092/Processed edis.zip!Processed edis/20200401-02/33_Workbench 1.edi, matched by the >INFO UNIQUE ID {39a3686f-5d07-4852-9d3d-3c6a6ca0277e} that both files carry and sitting at the same position to 0.000 m; it prints ACQDATE=04/01/20 and ENDDATE=04/01/20, which the Geotools export dropped. Appendix I of the contractor logistics report 200104 prints the same day for this station\nrepair.ruling=the owner repair rule of 2026-09-18; the date named here is a proposal and its ruling is owed\nrepair.by=AusMT, _tools/repair_edi_header_dates.py\nMAXINFO=110\nUNIQUE ID: {39a3686f-5d07-4852-9d3d-3c6a6ca0277e}\nPROCESS DATE: 2020-04-02 21:25\nDURATION: 14 h 54 m 58 s \nDECLINATION: 5.45°\nCOORDINATES: -20° 57' 39.5\", 139° 59' 46.8\"\nGPS (MIN - MAX): 8 - 14\nTEMPERATURE (MIN - MAX): 33° - 54°\nCOMB FILTER: NONE\nFINE ROBUST: NONE\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 4.4960%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.8, RATIO: 80% \nSTATIONS\nELECTRICS\nRECORDING ID: 10264_2020-04-01-060018\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: 33\nOPERATOR: K1,LT\nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 100 [m]\nAC: 4.49725 [V]\nDC: 0.0213623 [V]\nNEGATIVE RES: 886.845 [Ω]\nPOSITIVE RES: 895.649 [Ω]\nSATURATION: 0.0170397%\nMIN VALUE: -2.31967 [V]\nMAX VALUE: 2.17758 [V]\nEY\nTAG: E2\nLENGTH: 100 [m]\nAC: 3.05234 [V]\nDC: 0.016861 [V]\nNEGATIVE RES: 837.225 [Ω]\nPOSITIVE RES: 755.04 [Ω]\nSATURATION: 0.00456255%\nMIN VALUE: -1.39934 [V]\nMAX VALUE: 1.653 [V]\nMAGNETICS\nRECORDING ID: 10264_2020-04-01-060018\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: 33\nOPERATOR: K1,LT\nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.376517 [V]\nDC: 0.0366211 [V]\nCAL NAME: 53685_5E7055BC.scal\nSENSOR SERIAL: 53685\nSATURATION: 0 %\nMIN VALUE: -0.202276 [V]\nMAX VALUE: 0.174242 [V]\nHY\nTAG: H3\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.830104 [V]\nDC: -0.0535583 [V]\nCAL NAME: 53697_5E7055BC.scal\nSENSOR SERIAL: 53697\nSATURATION: 0 %\nMIN VALUE: -0.286912 [V]\nMAX VALUE: 0.543192 [V]\nHZ\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.293057 [V]\nDC: 0.00930786 [V]\nCAL NAME: 54112_5E7055BC.scal\nSENSOR SERIAL: 54112\nSATURATION: 0 %\nMIN VALUE: -0.209243 [V]\nMAX VALUE: 0.0838147 [V]\nREFERENCE\nRECORDING ID: 10290_2020-03-31-205203\nINSTRUMENT TYPE: MTU-8A\nSTATION NAME: 75 (Remote)\nOPERATOR: K1, LT\nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.488263 [V]\nDC: 0.0552368 [V]\nCAL NAME: 53545_5E7035BC.scal\nSENSOR SERIAL: 53545\nSATURATION: 0 %\nMIN VALUE: -0.260326 [V]\nMAX VALUE: 0.227936 [V]\nRY\nTAG: H3\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.242565 [V]\nDC: -0.0857544 [V]\nCAL NAME: 53629_5E7035BC.scal\nSENSOR SERIAL: 53629\nSATURATION: 0 %\nMIN VALUE: -0.0821437 [V]\nMAX VALUE: 0.160421 [V]"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/isa-region-2020/33.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": "33.edi",
  "input_sha256": "b58e13f3f474c5c7f4e48171ac23d2a63b9a9d956c06923402415cda7e03c4d5",
  "source": {
   "original_filename": "33.edi",
   "source_record_id": "collection.zip!mt100092/Edited edis.zip!Edited edis/33 EDI.edi"
  }
 },
 "coordinate_qc": null,
 "canonical_conditioning": [
  "survey.id->isa-region-2020",
  "station.id set to the sanitised EMTF-XML Site.id",
  "station.source_file_preserved_in_site_name",
  "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",
  "channel orientations: degenerate/defaulted (ex and ey azimuths both 0 deg — parallel dipoles are non-physical); orientations NOT asserted by source EMEAS geometry",
  "citation.authors<-survey_meta:Geological Survey of Queensland",
  "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": {
  "evidence": {
   "branch": "mt",
   "zrot": "0",
   "trot": "0",
   "rotspec": null,
   "hmeas_azimuths": {
    "hx": 0.0,
    "hy": 0.0
   },
   "emeas_azimuths": {
    "ex": null,
    "ey": null
   }
  },
  "impedance_rotation_deg_source": null,
  "tipper_rotation_deg_source": null,
  "derotated": false,
  "frame_served": "declared-zero",
  "declared_azimuth_deg": 0.0,
  "convention_check": {
   "verdict": "ok",
   "phs_xy_median_deg": 43.3,
   "phs_yx_median_deg": -137.54,
   "n_periods_used": 70,
   "detail": null
  },
  "survey_frame_note": "frame: mixed declared frames across stations: 0°…13° — 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",
   "path": "edi/isa-region-2020/33.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/isa-region-2020/33.xml"
  },
  {
   "id": "mth5",
   "kind": "transfer_function",
   "format": "mth5",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "h5/isa-region-2020/33.h5"
  },
  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/isa-region-2020-edi.zip"
  },
  {
   "id": "xml-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/isa-region-2020-xml.zip"
  },
  {
   "id": "survey-mth5",
   "kind": "archive",
   "format": "mth5",
   "path": "bundles/isa-region-2020-tf.h5"
  }
 ]
}