{ "schema": "ausmt-station", "version": "0.1", "ausmt_id": "au.isa-extension-bbmt-2014.IEB1424A", "station": "IEB1424A", "survey": "Isa Extension Broadband Magnetotelluric Survey 2014", "survey_id": "isa-extension-bbmt-2014", "country": "Australia", "organisation": "Geological Survey of Queensland", "location": { "lat": -22.414194, "lon": 139.047167 }, "data": { "type": "BBMT", "n_periods": 80, "period_min_s": 0.003125, "period_max_s": 2941.176471 }, "diagnostics": { "median_relative_error": 0.006, "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": 1.9, "pct_periods_3d": 21, "method": "phase-tensor (Caldwell 2004)", "note": "screening diagnostic, not an interpretation product" }, "processing": { "software": "MT-Editor Ver", "algorithm": null, "remote_reference": false, "remote_site": null, "file_written_by": { "name": "MT-Editor Ver", "version": "0.99.2.106" }, "note": "RUN INFORMATION STATION 1 \nPROCESSED FROM DFT TIME SERIES STN Number: 14-IEB1424A \nSURVEY: IEB Site Desc; BadR: 0 SatR: 1 \nCOMPANY: GA Lat 22:24:511S Long 139:02:498E\nJOB: IEB Elevation: 168 M. DECL: 0.000\nLat 22:24.851 S Lng 139:02.830 E Reference Site: IEB1413M \nHARDWARE: MTU5A MTU5A Site Permitted by: \nSTART-UP: 2014/09/30 - 01:50:00 Site Layout by: \nEND-TIME: 2014/09/30 - 23:26:23 SYSTEM INFORMATION \nFILE: IEB1424A IEB1413M MTU-Box Serial Number: U-1629 \nMTUPROG VERSION: 3112G2 MTU-Box Gains:E`s x 4 H`s x 4 \nMTU-DFT VERSION: TStoFT.38 MTU-Ref Serial Number: U-2189 \nMTU-RBS VERSION:R2012-0216-B22 Comp Chan# Sensor Azimuth \nReference Field: Remote H - Ref. Ex1 1 100.0 M 0.0 DGtn\nXPR Weighting: RHO Variance. Ey1 2 100.0 M 90.0 DGtn\nRBS: 7 COH: 0.85 RHO VAR: 0.75 Hx1 3 COIL2485 0.0 DGtn\nCUTOFF: 0.00 COH: 35 % VAR: 25 % Hy1 4 COIL2487 90.0 DGtn\nNotch Filters set for 50 Hz. Hz1 5 MT8H7211 \nRHx2 6 COIL2474 0.0 DGtn\nComp MTU box S/N Temp RHy2 7 COIL2472 90.0 DGtn\nEx & Ey: MTU5A 1629 44 C Ebat:11.9V Hbat:11.9V Rbat:12.3V\nHx & Hy: MTU5A 1629 44 C Ex Pot Resist: 0.387 Kohms \nHz: MTU5A 1629 44 C Ex Voltage:AC=13.5mV, DC=-4.10mV\nRx & Ry: MTU5A 2189 46 C Ey Pot Resist: 0.372 Kohms \nHx Sen: COIL2485 Ey Voltage:AC=8.73mV, DC=-6.10mV\nHy Sen: COIL2487 \nHz Sen: MT8H7211 \nRx Sen: COIL2474 \nRy Sen: COIL2472" }, "distribution": { "edi_available": true, "license": "CC-BY-4.0", "edi_path": "edi/isa-extension-bbmt-2014/IEB1424A.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": "IEB1424A.edi", "input_sha256": "544257e7dffbe9cd03e97fdf8dcc3afed9aece933d7c39b14ad7b864f7cd962b", "source": { "original_filename": "IEB1424A.edi", "source_record_id": "collection.zip!mt099993/IsaExtensionArea1.zip!Data/BBMT edis/IEB1424A.edi" } }, "coordinate_qc": null, "canonical_conditioning": [ "survey.id->isa-extension-bbmt-2014", "station.id set to the sanitised EMTF-XML Site.id", "station.source_file_preserved_in_site_name", "rotation: unknown — writer requires array; zeros written, frame NOT asserted", "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", "citation.authors<-survey_meta:Geological Survey of Queensland", "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": "spectra", "zrot": null, "trot": null, "rotspec": "0", "hmeas_azimuths": { "hx": 0.0, "hy": 90.0 }, "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": 43.91, "phs_yx_median_deg": -146.47, "n_periods_used": 80, "detail": null } }, "resources": [ { "id": "edi", "kind": "transfer_function", "format": "edi", "provenance_role": "source", "representation_role": "original", "path": "edi/isa-extension-bbmt-2014/IEB1424A.edi" }, { "id": "emtfxml", "kind": "transfer_function", "format": "emtfxml", "provenance_role": "derived", "representation_role": "alternate", "path": "xml/isa-extension-bbmt-2014/IEB1424A.xml" }, { "id": "mth5", "kind": "transfer_function", "format": "mth5", "provenance_role": "derived", "representation_role": "alternate", "path": "h5/isa-extension-bbmt-2014/IEB1424A.h5" }, { "id": "edi-zip", "kind": "archive", "format": "zip", "path": "bundles/isa-extension-bbmt-2014-edi.zip" }, { "id": "xml-zip", "kind": "archive", "format": "zip", "path": "bundles/isa-extension-bbmt-2014-xml.zip" }, { "id": "survey-mth5", "kind": "archive", "format": "mth5", "path": "bundles/isa-extension-bbmt-2014-tf.h5" } ] }