{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.southern-thomson-2014-15.GA3_74-1908",
 "station": "GA3_74-1908",
 "survey": "Southern Thomson MT Survey 2014-15",
 "survey_id": "southern-thomson-2014-15",
 "country": "Australia",
 "organisation": "Geoscience Australia",
 "location": {
  "lat": -28.206944,
  "lon": 144.971111
 },
 "data": {
  "type": "BBMT",
  "n_periods": 84,
  "period_min_s": 0.003149,
  "period_max_s": 5824.111823
 },
 "diagnostics": {
  "median_relative_error": 0.163,
  "remote_reference": false,
  "tipper_available": true,
  "completeness_smoothness_diagnostic": {
   "value": 3.2,
   "basis": "e",
   "note": "not a quality or geological-value judgement"
  },
  "classification": "2-D",
  "skew_beta_median_deg": 1.2,
  "pct_periods_3d": 14,
  "method": "phase-tensor (Caldwell 2004)",
  "note": "screening diagnostic, not an interpretation product"
 },
 "processing": {
  "software": "MT-Corrector",
  "algorithm": null,
  "remote_reference": false,
  "remote_site": null,
  "file_written_by": {
   "name": "MT-Corrector",
   "version": "5.4"
  },
  "note": "RUN INFORMATION                          STATION 1             \nPROCESSED FROM DFT TIME SERIES          STN Number: 14-74-1908          \nSURVEY:                                Site Desc; BadR: 0 SatR: 20     \nCOMPANY:                                Lat  28:12:250S Long 144:58:160E\nJOB: 74-                            Elevation: 156    M. DECL: 9.000\nLat 28:12.416 S Lng 144:58.267 E        Reference Site: 79-4261         \nHARDWARE: MTU5A MTU5A                   Site Permitted by:              \nSTART-UP: 2014/12/13 - 01:40:47         Site Layout by:                 \nEND-TIME: 2014/12/14 - 00:41:01                 SYSTEM INFORMATION      \nFILE: 1908C13A 4261C12A                 MTU-Box Serial Number: U-1908   \nMTUPROG VERSION: 3112G3                 MTU-Box Gains:E`s x 4 H`s x 4   \nMTU-DFT VERSION: TStoFT.38              MTU-Ref Serial Number: U-4261   \nMTU-RBS VERSION:R2012-0216-B22          Comp Chan#   Sensor     Azimuth \nReference Field: Remote H - Ref.         Ex1   1     100.0 M    0.0 DGmn\nXPR Weighting: RHO Variance.           Ey1   2     100.0 M   90.0 DGmn\nRBS: 7  COH: 0.85  RHO VAR: 0.75         Hx1   3    MT5H3488    0.0 DGmn\nCUTOFF: 0.00 COH: 35 % VAR: 25 %         Hy1   4    MT5H3489   90.0 DGmn\nNotch Filters set for 50 Hz.             Hz1   5    MT5H3490            \nRHx2   6    MT5H3491    0.0 DGmn\nComp   MTU box  S/N   Temp            RHy2   7    MT5H3492   90.0 DGmn\nEx & Ey: MTU5A    1908   58 C           Ebat:13.2V Hbat:13.2V Rbat:12.2V\nHx & Hy: MTU5A    1908   58 C           Ex Pot Resist: 0.434 Kohms      \nHz: MTU5A    1908   58 C           Ex Voltage:AC=31.1mV, DC=-9.30mV\nRx & Ry: MTU5A    4261   46 C           Ey Pot Resist: 1.349 Kohms      \nHx Sen: MT5H3488                       Ey Voltage:AC=17.7mV, DC=+13.0mV\nHy Sen: MT5H3489                       \nHz Sen: MT5H3490                       \nRx Sen: MT5H3491                       \nRy Sen: MT5H3492                       \n\nOperator Log for Site(s) C13A 4261C12A         \n\nHARDWARE: MTU5A MTU5A           \nT-UP: 2014/12/13 - 0-TIME: 2014/12/\n\nXPR         HI Start       HI Record             LO Start       LO Record\nXPR# 01 - HI: 14Dec13 01:40  14Dec13 02:45     LO: 14Dec13 01:40  14Dec13 02:46\nXPR# 02 - HI: 14Dec13 02:45  14Dec13 03:50     LO: 14Dec13 02:46  14Dec13 03:51\nXPR# 03 - HI: 14Dec13 03:50  14Dec13 04:56     LO: 14Dec13 03:51  14Dec13 04:56\nXPR# 04 - HI: 14Dec13 04:56  14Dec13 06:01     LO: 14Dec13 04:56  14Dec13 06:01\nXPR# 05 - HI: 14Dec13 06:01  14Dec13 07:07     LO: 14Dec13 06:01  14Dec13 07:07\nXPR# 06 - HI: 14Dec13 07:07  14Dec13 08:12     LO: 14Dec13 07:07  14Dec13 08:12\nXPR# 07 - HI: 14Dec13 08:12  14Dec13 09:17     LO: 14Dec13 08:12  14Dec13 09:17\nXPR# 08 - HI: 14Dec13 09:17  14Dec13 10:22     LO: 14Dec13 09:17  14Dec13 10:23\nXPR# 09 - HI: 14Dec13 10:22  14Dec13 11:28     LO: 14Dec13 10:23  14Dec13 11:28\nXPR# 10 - HI: 14Dec13 11:28  14Dec13 12:33     LO: 14Dec13 11:28  14Dec13 12:33\nXPR# 11 - HI: 14Dec13 12:33  14Dec13 13:38     LO: 14Dec13 12:33  14Dec13 13:39\nXPR# 12 - HI: 14Dec13 13:38  14Dec13 14:44     LO: 14Dec13 13:39  14Dec13 14:44\nXPR# 13 - HI: 14Dec13 14:44  14Dec13 15:48     LO: 14Dec13 14:44  14Dec13 15:49\nXPR# 14 - HI: 14Dec13 15:49  14Dec13 16:54     LO: 14Dec13 15:49  14Dec13 16:54\nXPR# 15 - HI: 14Dec13 16:54  14Dec13 17:59     LO: 14Dec13 16:54  14Dec13 18:00\nXPR# 16 - HI: 14Dec13 17:59  14Dec13 19:05     LO: 14Dec13 18:00  14Dec13 19:05\nXPR# 17 - HI: 14Dec13 19:05  14Dec13 20:10     LO: 14Dec13 19:05  14Dec13 20:10\nXPR# 18 - HI: 14Dec13 20:10  14Dec13 21:15     LO: 14Dec13 20:10  14Dec13 21:15\nXPR# 19 - HI: 14Dec13 21:15  14Dec13 22:21     LO: 14Dec13 21:15  14Dec13 22:21\nXPR# 20 - HI: 14Dec13 22:21  14Dec13 23:25     LO: 14Dec13 22:21  14Dec13 23:26"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/southern-thomson-2014-15/GA3_74-1908.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": "2026-09-19T00:32:03.961236+00:00",
  "input_file": "GA3_74-1908.edi",
  "input_sha256": "4780914290aa8bf39c97e93ece71eeb0de14acd7c7b0aeb912bc621ed6d3f4b8",
  "source": {
   "original_filename": "GA3_74-1908.edi",
   "source_record_id": "Rec2017_003_data.zip!MT038_Data/GA3_BBMT/74-1908_spl.edi"
  }
 },
 "coordinate_qc": null,
 "canonical_conditioning": null,
 "frame": {
  "convention_check": {
   "detail": null,
   "n_periods_used": 81,
   "phs_xy_median_deg": 16.04,
   "phs_yx_median_deg": -165.24,
   "verdict": "ok"
  },
  "declared_azimuth_deg": 0.0,
  "derotated": false,
  "evidence": {
   "branch": "mt",
   "emeas_azimuths": {
    "ex": null,
    "ey": null
   },
   "hmeas_azimuths": {
    "hx": null,
    "hy": null
   },
   "rotspec": null,
   "trot": null,
   "zrot": "0"
  },
  "frame_served": "declared-zero",
  "impedance_rotation_deg_source": null,
  "tipper_rotation_deg_source": null
 },
 "resources": [
  {
   "id": "edi",
   "kind": "transfer_function",
   "format": "edi",
   "provenance_role": "source",
   "representation_role": "original",
   "path": "edi/southern-thomson-2014-15/GA3_74-1908.edi"
  },
  {
   "id": "mth5",
   "kind": "transfer_function",
   "format": "mth5",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "h5/southern-thomson-2014-15/GA3_74-1908.h5"
  },
  {
   "id": "edi-zip",
   "kind": "archive",
   "format": "zip",
   "path": "bundles/southern-thomson-2014-15-edi.zip"
  },
  {
   "id": "survey-mth5",
   "kind": "archive",
   "format": "mth5",
   "path": "bundles/southern-thomson-2014-15-tf.h5"
  }
 ]
}