{
 "schema": "ausmt-station",
 "version": "0.1",
 "ausmt_id": "au.southern-thomson-2014-15.GA8-4",
 "station": "GA8-4",
 "survey": "Southern Thomson MT Survey 2014-15",
 "survey_id": "southern-thomson-2014-15",
 "country": "Australia",
 "organisation": "Geoscience Australia",
 "location": {
  "lat": -28.305333,
  "lon": 144.988361
 },
 "data": {
  "type": "AMT",
  "n_periods": 60,
  "period_min_s": 9.6e-05,
  "period_max_s": 2.844141
 },
 "diagnostics": {
  "median_relative_error": 0.05,
  "remote_reference": false,
  "tipper_available": true,
  "completeness_smoothness_diagnostic": {
   "value": 4.2,
   "basis": "e",
   "note": "not a quality or geological-value judgement"
  },
  "classification": "1-D",
  "skew_beta_median_deg": 0.3,
  "pct_periods_3d": 7,
  "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: 14-206              \nSURVEY: AMT                            Site Desc; BadR: 0 SatR: 214    \nCOMPANY: GA                             Lat  28:18:192S Long 144:59:181E\nJOB: 206                            Elevation: 158    M. DECL: 9.000\nLat 28:18.320 S Lng 144:59.302 E        Reference Site: 204             \nHARDWARE: MTU5A MTU5A                   Site Permitted by:              \nSTART-UP: 2014/12/05 - 06:52:47         Site Layout by:                 \nEND-TIME: 2014/12/05 - 14:15:06                 SYSTEM INFORMATION      \nFILE: 4262C05A 2200C05A                 MTU-Box Serial Number: U-4262   \nMTUPROG VERSION: 3112G3                 MTU-Box Gains:E`s x 4 H`s x 4   \nMTU-DFT VERSION: TStoFT.38              MTU-Ref Serial Number: U-2200   \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    AMTC2663    0.0 DGmn\nCUTOFF: 0.00 COH: 35 % VAR: 25 %         Hy1   4    AMTC2664   90.0 DGmn\nNotch Filters set for 50 Hz.             Hz1   5    AMTC2665            \nRHx2   6    AMTC2014    0.0 DGmn\nComp   MTU box  S/N   Temp            RHy2   7    AMTC2029   90.0 DGmn\nEx & Ey: MTU5A    4262   39 C           Ebat:12.0V Hbat:12.0V Rbat:12.2V\nHx & Hy: MTU5A    4262   39 C           Ex Pot Resist: 4.425 Kohms      \nHz: MTU5A    4262   39 C           Ex Voltage:AC=20.8mV, DC=+11.0mV\nRx & Ry: MTU5A    2200   39 C           Ey Pot Resist: 1.765 Kohms      \nHx Sen: AMTC2663                       Ey Voltage:AC=44.8mV, DC=-2.40mV\nHy Sen: AMTC2664                       \nHz Sen: AMTC2665                       \nRx Sen: AMTC2014                       \nRy Sen: AMTC2029                       \n\nOperator Log for Site(s) C05A 2200C05A         \n\nHARDWARE: MTU5A MTU5A           \nT-UP: 2014/12/05 - 0-TIME: 2014/12/\n\nXPR         HI Start       HI Record             LO Start       LO Record\nXPR# 01 - HI: 14Dec05 06:52  14Dec05 07:13     LO: 14Dec05 06:52  14Dec05 07:13\nXPR# 02 - HI: 14Dec05 07:13  14Dec05 07:34     LO: 14Dec05 07:13  14Dec05 07:34\nXPR# 03 - HI: 14Dec05 07:34  14Dec05 07:55     LO: 14Dec05 07:34  14Dec05 07:55\nXPR# 04 - HI: 14Dec05 07:55  14Dec05 08:16     LO: 14Dec05 07:55  14Dec05 08:16\nXPR# 05 - HI: 14Dec05 08:16  14Dec05 08:37     LO: 14Dec05 08:16  14Dec05 08:37\nXPR# 06 - HI: 14Dec05 08:37  14Dec05 08:57     LO: 14Dec05 08:37  14Dec05 08:57\nXPR# 07 - HI: 14Dec05 08:58  14Dec05 09:18     LO: 14Dec05 08:57  14Dec05 09:18\nXPR# 08 - HI: 14Dec05 09:18  14Dec05 09:39     LO: 14Dec05 09:18  14Dec05 09:39\nXPR# 09 - HI: 14Dec05 09:39  14Dec05 10:00     LO: 14Dec05 09:39  14Dec05 10:00\nXPR# 10 - HI: 14Dec05 10:00  14Dec05 10:21     LO: 14Dec05 10:00  14Dec05 10:21\nXPR# 11 - HI: 14Dec05 10:21  14Dec05 10:42     LO: 14Dec05 10:21  14Dec05 10:42\nXPR# 12 - HI: 14Dec05 10:42  14Dec05 11:03     LO: 14Dec05 10:42  14Dec05 11:03\nXPR# 13 - HI: 14Dec05 11:03  14Dec05 11:24     LO: 14Dec05 11:03  14Dec05 11:24\nXPR# 14 - HI: 14Dec05 11:24  14Dec05 11:44     LO: 14Dec05 11:24  14Dec05 11:44\nXPR# 15 - HI: 14Dec05 11:44  14Dec05 12:05     LO: 14Dec05 11:44  14Dec05 12:05\nXPR# 16 - HI: 14Dec05 12:05  14Dec05 12:26     LO: 14Dec05 12:05  14Dec05 12:26\nXPR# 17 - HI: 14Dec05 12:26  14Dec05 12:47     LO: 14Dec05 12:26  14Dec05 12:47\nXPR# 18 - HI: 14Dec05 12:47  14Dec05 13:08     LO: 14Dec05 12:47  14Dec05 13:08\nXPR# 19 - HI: 14Dec05 13:08  14Dec05 13:29     LO: 14Dec05 13:08  14Dec05 13:29\nXPR# 20 - HI: 14Dec05 13:29  14Dec05 13:50     LO: 14Dec05 13:29  14Dec05 13:50"
 },
 "distribution": {
  "edi_available": true,
  "license": "CC-BY-4.0",
  "edi_path": "edi/southern-thomson-2014-15/GA8-4.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": "GA8-4.edi",
  "input_sha256": "5d748940bb16d8226c873075bc83ac5fa7d85019aff590136fcf2df9a869b8ac",
  "source": {
   "original_filename": "GA8-4.edi",
   "source_record_id": "Rec2017_003_data.zip!MT038_Data/GA8_AMT/GA8-4-spl.edi"
  }
 },
 "coordinate_qc": null,
 "canonical_conditioning": null,
 "frame": {
  "convention_check": {
   "detail": null,
   "n_periods_used": 60,
   "phs_xy_median_deg": 48.49,
   "phs_yx_median_deg": -131.48,
   "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/GA8-4.edi"
  },
  {
   "id": "mth5",
   "kind": "transfer_function",
   "format": "mth5",
   "provenance_role": "derived",
   "representation_role": "alternate",
   "path": "h5/southern-thomson-2014-15/GA8-4.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"
  }
 ]
}