{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.western-gawler-2023.WG-4-8",
 "station": "WG-4-8",
 "survey": "Gawler Phase 2",
 "survey_id": "western-gawler-2023",
 "country": "Australia",
 "organisation": "Geological Survey of South Australia",
 "location": {
  "lat": -31.143333,
  "lon": 132.876611
 },
 "data": {
  "type": "AMT",
  "n_periods": 100,
  "period_min_s": 0.0001,
  "period_max_s": 2912.904165
 },
 "diagnostics": {
  "median_relative_error": 0.001,
  "remote_reference": false,
  "tipper_available": true,
  "completeness_smoothness_diagnostic": {
   "value": 5.0,
   "basis": "e",
   "note": "not a quality or geological-value judgement"
  },
  "classification": "2-D",
  "skew_beta_median_deg": 1.0,
  "pct_periods_3d": 28,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": "empower",
  "algorithm": null,
  "remote_reference": false,
  "remote_site": null,
  "file_written_by": {
   "name": "Geotools",
   "version": "3.2.6.12508"
  },
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0,\n\"interleave_24k\": 2,\n\"interleave_30\": 0,\n\"interleave_96k\": 0,\n\"period\": 30\n}\n},\n\"df\": 57999753216,\n\"dt\": 63831015424,\n\"empower_version\": \"v1.54.2.5\",\n\"gps_max\": 12,\n\"gps_min\": 8,\n\"instid\": \"10290\",\n\"layout\": {\n\"Company_Name\": \"Zonge Engineering and Research Organisation PTY LDT\",\n\"Declination\": 5.3,\n\"E_Azimuth\": 0,\n\"H1_Azimuth\": 0,\n\"H1_Serial\": 57086,\n\"H1_Type\": 4,\n\"H1_Type_Name\": \"MTC-150\",\n\"H2_Serial\": 54128,\n\"H2_Type\": 4,\n\"H2_Type_Name\": \"MTC-150\",\n\"H3_Serial\": 57082,\n\"H3_Type\": 4,\n\"H3_Type_Name\": \"MTC-150\",\n\"H4_Azimuth\": 0,\n\"H4_Serial\": 0,\n\"H4_Type\": 4,\n\"H4_Type_Name\": \"MTC-150\",\n\"H5_Serial\": 0,\n\"H5_Type\": 4,\n\"H5_Type_Name\": \"MTC-150\",\n\"H6_Serial\": 0,\n\"H6_Type\": 4,\n\"H6_Type_Name\": \"MTC-150\",\n\"Layout_Type\": 0,\n\"Measured_Pot_Resist_E1_Neg\": 3833.537876,\n\"Measured_Pot_Resist_E1_Pos\": 2360.794794,\n\"Measured_Pot_Resist_E2_Neg\": 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\"AU\",\n\"elecFilterType\": 0,\n\"elev\": 111.551418,\n\"isEMpowerFormat\": true,\n\"lat\": -31.14332,\n\"lon\": 132.876616,\n\"status\": \"unapproved\",\n\"timezone\": \"Australia/Adelaide\",\n\"version\": 5\n},\n\"missingFrame\": 0,\n\"motherboard\": {\n\"mb_fw_ver\": \"00010036X\",\n\"mb_hw_ver\": \"BMB01-G \",\n\"mb_serial\": \"03154D\",\n\"version\": 1\n},\n\"name\": \"recording\",\n\"old_stop\": 1661200903,\n\"ppsDrift\": false,\n\"receiver_commercial_name\": \"MTU-5C\",\n\"receiver_model\": \"RMT03-D\",\n\"sampleClock\": 768000,\n\"start\": 1661129461,\n\"status\": \"dataacq\",\n\"stop\": 1661200902,\n\"stopTimeValidated\": true,\n\"sw_version\": \"v1.54.2\",\n\"systime\": 1661200903,\n\"temp_cel\": 20,\n\"temperature_max\": 40,\n\"temperature_min\": 20,\n\"timing\": {\n\"gps_alt\": 111.551418,\n\"gps_lat\": -31.14332,\n\"gps_lon\": 132.876616,\n\"name\": \"timing\",\n\"tm_alive\": 1,\n\"tm_cpld\": \"2912\",\n\"tm_debug\": 0,\n\"tm_drift\": \"0\",\n\"tm_drift_units\": \"20thMhz\",\n\"tm_fw_ver\": \"0001002FX\",\n\"tm_hw_ver\": \"BTM01-I \",\n\"tm_leapSecAtRecStart\": 18,\n\"tm_leapSecNow\": 18,\n\"tm_ready\": 1,\n\"tm_satcount\": 8,\n\"tm_satmin\": 7,\n\"tm_serial\": \"0319A5\",\n\"tm_stabidx\": 65535,\n\"tm_timeset\": 1,\n\"tm_timeweek\": 1,\n\"tm_utcset\": 1,\n\"version\": 3\n},\n\"uptime\": 71665,\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\": \"10348_2022-08-22-005101\",\n\"rxcal\": \"10348_62C79251.rxcal\",\n\"scal\": \"\",\n\"tag\": \"E1\"\n},\n{\n\"azimuth\": 0,\n\"label_id\": 1,\n\"rec_id\": \"10348_2022-08-22-005101\",\n\"rxcal\": \"10348_62C79251.rxcal\",\n\"scal\": \"\",\n\"tag\": \"E2\"\n},\n{\n\"azimuth\": 0,\n\"label_id\": 2,\n\"rec_id\": \"10348_2022-08-22-005101\",\n\"rxcal\": \"10348_62C79251.rxcal\",\n\"scal\": \"\",\n\"tag\": \"H1\"\n},\n{\n\"azimuth\": 0,\n\"label_id\": 3,\n\"rec_id\": \"10348_2022-08-22-005101\",\n\"rxcal\": \"10348_62C79251.rxcal\",\n\"scal\": \"\",\n\"tag\": \"H2\"\n},\n{\n\"azimuth\": 0,\n\"label_id\": 4,\n\"rec_id\": \"10348_2022-08-22-005101\",\n\"rxcal\": \"10348_62C79251.rxcal\",\n\"scal\": \"\",\n\"tag\": \"H3\"\n},\n{\n\"azimuth\": 0,\n\"label_id\": 5,\n\"rec_id\": \"10290_2022-08-21-023640\",\n\"rxcal\": \"10290_62C78C08.rxcal\",\n\"scal\": \"\",\n\"tag\": \"H1\"\n},\n{\n\"azimuth\": 0,\n\"label_id\": 6,\n\"rec_id\": \"10290_2022-08-21-023640\",\n\"rxcal\": \"10290_62C78C08.rxcal\",\n\"scal\": \"54128_62C7BA11.scal\",\n\"tag\": \"H2\"\n}\n],\n\"comb_filter\": 50,\n\"hasRemote\": true,\n\"notes\": \"\",\n\"processDateTime\": 1661248568,\n\"processEmpowerVersion\": \"v1.54.2.5\",\n\"process_type\": 0,\n\"processed_site_name\": \"P=4-08 R=2-03 (H)\",\n\"reference_type\": \"magnetic\",\n\"start\": 1661129462,\n\"status\": \"Unapproved\",\n\"stop\": 1661200902,\n\"time_elapsed\": 405,\n\"time_zone\": \"local_time\",\n\"time_zone_offset\": 0,\n\"uuid\": \"{4598a81f-b620-4d6d-9c57-d79ff9d4962b}\",\n\"version\": 3\n}"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/western-gawler-2023/LineNo__StationNo_261.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": "25c90921c42c72bbc5455b4bbdab9137cf8b8e48",
  "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": "2026-09-09T06:22:47.791693+00:00",
  "input_file": "LineNo__StationNo_261.edi",
  "input_sha256": "9fe8703abd307d5f253c678490951dcf999e1f75949830697f99bfc6157d97c5"
 },
 "coordinate_qc": null,
 "canonical_conditioning": [
  "survey.id->western-gawler-2023",
  "station.id->WG48",
  "station.source_id_preserved_in_site_name:WG-4-8",
  "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": {
  "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": 28.39,
   "phs_yx_median_deg": -155.78,
   "n_periods_used": 100,
   "detail": null
  }
 },
 "runs": [
  {
   "id": "WG-4-8-r01",
   "sample_rate_hz": 24000.0,
   "data_logger": {
    "model": "RMT05",
    "serial_number": "10290"
   },
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