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\"031AF9\",\n\"tm_stabidx\": 65535,\n\"tm_timeset\": 1,\n\"tm_timeweek\": 1,\n\"tm_utcset\": 1,\n\"version\": 3\n},\n\"uptime\": 135025,\n\"version\": 10\n},\n\"Ex_scal_serial\": 0,\n\"Ey_scal_serial\": 0,\n\"HzType\": 1,\n\"calibration_used\": true,\n\"channels\": [\n{\n\"azimuth\": 0,\n\"label_id\": 0,\n\"rec_id\": \"10396_2022-04-11-233412\",\n\"rxcal\": \"10396_62413340.rxcal\",\n\"scal\": \"\",\n\"tag\": \"E1\"\n},\n{\n\"azimuth\": 0,\n\"label_id\": 1,\n\"rec_id\": \"10396_2022-04-11-233412\",\n\"rxcal\": \"10396_62413340.rxcal\",\n\"scal\": \"\",\n\"tag\": \"E2\"\n},\n{\n\"azimuth\": 0,\n\"label_id\": 2,\n\"rec_id\": \"10109_2022-04-11-021423\",\n\"rxcal\": \"10109_62413325.rxcal\",\n\"scal\": \"54122_62414CC0.scal\",\n\"tag\": \"H1\"\n},\n{\n\"azimuth\": 0,\n\"label_id\": 3,\n\"rec_id\": \"10109_2022-04-11-021423\",\n\"rxcal\": \"10109_62413325.rxcal\",\n\"scal\": \"54123_62414CC0.scal\",\n\"tag\": \"H2\"\n},\n{\n\"azimuth\": 0,\n\"label_id\": 4,\n\"rec_id\": \"10396_2022-04-11-233412\",\n\"rxcal\": \"10109_62413325.rxcal\",\n\"scal\": \"54985_6241575A.scal\",\n\"tag\": \"H3\"\n},\n{\n\"azimuth\": 0,\n\"label_id\": 5,\n\"rec_id\": \"10306_2022-04-12-002736\",\n\"rxcal\": \"10306_624132F3.rxcal\",\n\"scal\": \"54885_62414F3A.scal\",\n\"tag\": \"H1\"\n},\n{\n\"azimuth\": 0,\n\"label_id\": 6,\n\"rec_id\": \"10306_2022-04-12-002736\",\n\"rxcal\": \"10306_624132F3.rxcal\",\n\"scal\": \"54886_62414F3A.scal\",\n\"tag\": \"H2\"\n}\n],\n\"comb_filter\": 50,\n\"hasRemote\": true,\n\"notes\": \"\",\n\"processDateTime\": 1656568004,\n\"processEmpowerVersion\": \"v1.54.2.3\",\n\"process_type\": 0,\n\"processed_site_name\": \"P=DLN73 M=DLN70 R=DLN96R (H)\",\n\"reference_type\": \"magnetic\",\n\"start\": 1649723257,\n\"status\": \"Unapproved\",\n\"stop\": 1649847036,\n\"time_elapsed\": 761,\n\"time_zone\": \"local_time\",\n\"time_zone_offset\": 0,\n\"uuid\": \"{4bb1abe8-5a2e-4a94-9859-a7962d4aa7fc}\",\n\"version\": 3\n}"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/north-delamerian-2022-23/DLN073.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": "DLN073.edi",
  "input_sha256": "46452d755da51c1b1480f178ba84e9f5ccd44d02c5343d6bd21e60ea0c738212"
 },
 "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": 97,
   "phs_xy_median_deg": 46.27,
   "phs_yx_median_deg": -135.12,
   "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/DLN073.edi"
  },
  {
   "id": "emtfxml",
   "kind": "transfer_function",
   "format": "emtfxml",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "xml/north-delamerian-2022-23/DLN073.xml"
  },
  {
   "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"
  }
 ]
}