{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.north-delamerian-2022-23.DLN089",
 "station": "DLN089",
 "survey": "North Delamerian MT 2022-23",
 "survey_id": "north-delamerian-2022-23",
 "country": "Australia",
 "organisation": "Geological Survey of South Australia",
 "location": {
  "lat": -34.824583,
  "lon": 140.810806
 },
 "data": {
  "type": "AMT",
  "n_periods": 104,
  "period_min_s": 0.0001,
  "period_max_s": 5824.111823
 },
 "diagnostics": {
  "median_relative_error": 0.0,
  "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": 0.7,
  "pct_periods_3d": 22,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": null,
  "algorithm": null,
  "remote_reference": true,
  "remote_site": "DLS40",
  "file_written_by": {
   "name": "Geotools",
   "version": "3.2.6.12508"
  },
  "note": "MAXINFO=110\nUNIQUE ID: {c03831b6-031a-47dd-be24-ccbc03504098}\nPROCESS DATE: 2022-04-02 21:13\nDURATION: 43 h 8 m \nDECLINATION: 9°\nCOORDINATES: -34° 49' 28.5\", 140° 48' 38.9\"\nGPS (MIN - MAX): 6 - 13\nTEMPERATURE (MIN - MAX): 20° - 40°\nCOMB FILTER: 50HZ\nFINE ROBUST: NONE\nEDITING WORKBENCH\nTOTOAL REJECTED CROSSPOWERS: 67.9294%\nROBUST ALGORITHM: Multiple Coherence, ATTACK: 0.9, RATIO: 50% \nSTATIONS\nELECTRICS\nRECORDING ID: 10280_2022-03-30-233454\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: DLN89\nOPERATOR: \nAZIMUTH: 0\nEX\nTAG: E1\nLENGTH: 100 [m]\nAC: 0.432059 [V]\nDC: 0.00396729 [V]\nNEGATIVE RES: 1240.18 [Ω]\nPOSITIVE RES: 1452.73 [Ω]\nSATURATION: 0%\nMIN VALUE: -0.26093 [V]\nMAX VALUE: 0.171129 [V]\nEY\nTAG: E2\nLENGTH: 100 [m]\nAC: 1.38382 [V]\nDC: -0.00991821 [V]\nNEGATIVE RES: 1063.3 [Ω]\nPOSITIVE RES: 1510.04 [Ω]\nSATURATION: 0%\nMIN VALUE: -0.820686 [V]\nMAX VALUE: 0.563134 [V]\nMAGNETICS\nRECORDING ID: 10280_2022-03-30-233454\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: DLN89\nOPERATOR: \nAZIMUTH: 0\nHX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.761406 [V]\nDC: -0.0692749 [V]\nCAL NAME: 54769_624148FB.scal\nSENSOR SERIAL: 54769\nSATURATION: 0 %\nMIN VALUE: -0.462718 [V]\nMAX VALUE: 0.298687 [V]\nHY\nTAG: H2\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 0.211482 [V]\nDC: -0.0318909 [V]\nCAL NAME: 53857_624148FB.scal\nSENSOR SERIAL: 53857\nSATURATION: 0 %\nMIN VALUE: -0.0780885 [V]\nMAX VALUE: 0.133394 [V]\nHZ\nTAG: H3\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 1.04366 [V]\nDC: -0.0392151 [V]\nCAL NAME: 53702_624148FB.scal\nSENSOR SERIAL: 53702\nSATURATION: 0 %\nMIN VALUE: -0.861854 [V]\nMAX VALUE: 0.181805 [V]\nREFERENCE\nRECORDING ID: 10348_2022-03-31-023321\nINSTRUMENT TYPE: MTU-5C\nSTATION NAME: DLS40\nOPERATOR: \nAZIMUTH: 0\nRX\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 1.35282 [V]\nDC: 0.0843811 [V]\nCAL NAME: 54768_62414A43.scal\nSENSOR SERIAL: 54768\nSATURATION: 0 %\nMIN VALUE: -0.797943 [V]\nMAX VALUE: 0.554875 [V]\nRY\nTAG: H1\nSENSOR TYPE: MTC-150\nDETECTED SENSOR TYPE: MTC-150\nAC: 1.35282 [V]\nDC: 0.0843811 [V]\nCAL NAME: 54757_62414A43.scal\nSENSOR SERIAL: 54768\nSATURATION: 0 %\nMIN VALUE: -0.797943 [V]\nMAX VALUE: 0.554875 [V]"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/north-delamerian-2022-23/DLN089.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": "DLN089.edi",
  "input_sha256": "e67d7f0b92c44fa98b1ea1d28f06fa83037effafc81ec5195b760e3b4dd53563"
 },
 "coordinate_qc": null,
 "canonical_conditioning": [
  "survey.id->north-delamerian-2022-23",
  "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 South Australia",
  "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": 104,
   "phs_xy_median_deg": 34.87,
   "phs_yx_median_deg": -146.73,
   "verdict": "ok"
  },
  "declared_azimuth_deg": 0.0,
  "derotated": false,
  "evidence": {
   "branch": "mt",
   "emeas_azimuths": {
    "ex": null,
    "ey": null
   },
   "hmeas_azimuths": {
    "hx": 0.0,
    "hy": 0.0
   },
   "rotspec": null,
   "trot": "0",
   "zrot": "0"
  },
  "frame_served": "declared-zero",
  "impedance_rotation_deg_source": null,
  "tipper_rotation_deg_source": null,
  "survey_frame_note": "frame: mixed declared frames across stations: 0°…8° — 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/north-delamerian-2022-23/DLN089.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/north-delamerian-2022-23/DLN089.xml"
  },
  {
   "id": "mth5",
   "kind": "transfer_function",
   "format": "mth5",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "h5/north-delamerian-2022-23/DLN089.h5"
  },
  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/north-delamerian-2022-23-edi.zip"
  },
  {
   "id": "xml-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/north-delamerian-2022-23-xml.zip"
  },
  {
   "id": "survey-mth5",
   "kind": "archive",
   "format": "mth5",
   "path": "bundles/north-delamerian-2022-23-tf.h5"
  }
 ]
}