{ "schema": "ausmt-station", "version": "0.1", "ausmt_id": "au.awags-1989-90.HED", "station": "HED", "survey": "AWAGS 1989-90", "survey_id": "awags-1989-90", "country": "Australia", "organisation": "Flinders University", "location": { "lat": -20.377, "lon": 118.63 }, "data": { "type": "GDS", "n_periods": 28, "period_min_s": 179.944761, "period_max_s": 29826.778004 }, "diagnostics": { "median_relative_error": null, "remote_reference": false, "tipper_available": true, "completeness_smoothness_diagnostic": { "value": null, "basis": "s", "note": "not a quality or geological-value judgement" }, "method": "phase-tensor (Caldwell 2004)", "note": "screening diagnostic, not an interpretation product" }, "processing": { "software": "Aurora", "algorithm": "Aurora robust regression, vertical field transfer function only", "remote_reference": false, "remote_site": null, "file_written_by": { "name": "aurora", "version": "0.6.2" }, "note": "survey.summary = Continent-wide array of 54 portable three-component fluxgate magnetometers plus the four AGSO observatories, recording one-minute X, Y and Z from 18 November 1989 to 17 December 1990. No electric channels, so the vertical field transfer function is the only one the data supports. Reprocessed in 2026 from the corrected one-minute data on the AGSO CDROM (GA eCat 116283).\noriginal_program.version=0.1.6\noriginal_file.date=2026-09-01T05:36:12.634716+00:00\nsurvey.summary=Continent-wide array of 54 portable three-component fluxgate magnetometers plus the four AGSO observatories, recording one-minute X, Y and Z from 18 November 1989 to 17 December 1990. No electric channels, so the vertical field transfer function is the only one the data supports. Reprocessed in 2026 from the corrected one-minute data on the AGSO CDROM (GA eCat 116283).\nsurvey.acquired_by.author=Flinders University of South Australia and AGSO\nsurvey.citation_dataset.doi=https://doi.org/10.4225/25/5aab48d653fb1\nsurvey.country=[Australia]\nsurvey.datum=WGS 84\nsurvey.id=AWAGS\nsurvey.name=Australia-Wide Array of Geomagnetic Stations (AWAGS)\nsurvey.project=AWAGS\nsurvey.release_license=CC-BY-4.0\ntransfer_function.coordinate_system=geographic\ntransfer_function.id=HED\ntransfer_function.processed_by.author=Ben Kay\ntransfer_function.processed_date=2026-09-01T05:36:12.634716+00:00\ntransfer_function.processing_parameters.mode=hybrid\ntransfer_function.processing_parameters.band_file=bs_awags_1min_final.cfg\ntransfer_function.processing_parameters.bands=28\ntransfer_function.processing_parameters.decimation_levels=4\ntransfer_function.processing_parameters.decimation_factors=1,4,4,4\ntransfer_function.processing_parameters.window=256\ntransfer_function.processing_parameters.period_range=180 to 29827 s\ntransfer_function.processing_parameters.estimator=RME_RR\ntransfer_function.processing_parameters.sample_rate=0.0166667\ntransfer_function.processing_parameters.gap_fill=linear up to 10 minutes\ntransfer_function.processing_parameters.runs_cut_at_gaps_longer_than=10 minutes, minimum 16384 minutes kept\ntransfer_function.processing_parameters.remote=four AGSO observatories stacked, weighted equally against the nearest overlapping station\ntransfer_function.processing_parameters.runs_used=2\ntransfer_function.processing_type=Aurora robust regression, vertical field transfer function only\ntransfer_function.remote_references=[CNB, CTA, GNA, LRM, TEL]\ntransfer_function.runs_processed=[HEDa]\ntransfer_function.sign_convention=+\ntransfer_function.software.name=aurora\ntransfer_function.software.version=0.6.2\ntransfer_function.units=milliVolt per kilometer per nanoTesla\nprovenance.creation_time=2026-09-01T05:36:12.634716+00:00\nprovenance.creator.author=Ben Kay\nprovenance.creator.organization=AuScope\nprovenance.software.name=mt_io, mth5, aurora\nprovenance.software.version=mth5 0.6.8, aurora 0.6.2\nHEDa.channels_recorded_auxiliary=[]\nHEDa.channels_recorded_electric=[]\nHEDa.channels_recorded_magnetic=[hx, hy, hz]\nHEDa.data_logger.power_source.voltage.end=0.0\nHEDa.data_logger.power_source.voltage.start=0.0\nHEDa.data_logger.timing_system.drift=0.0\nHEDa.data_logger.timing_system.type=GPS\nHEDa.data_logger.timing_system.uncertainty=0.0\nHEDa.data_type=BBMT\nHEDa.id=HEDa\nHEDa.sample_rate=0.0\nHEDa.time_period.end=1990-07-09T03:15:00+00:00\nHEDa.time_period.start=1989-11-18T01:19:00+00:00\nHEDa.hx.channel_id=3.0\nHEDa.hx.channel_number=30\nHEDa.hx.component=hx\nHEDa.hx.filters=[]\nHEDa.hx.h_field_max.end=0.0\nHEDa.hx.h_field_max.start=0.0\nHEDa.hx.h_field_min.end=0.0\nHEDa.hx.h_field_min.start=0.0\nHEDa.hx.location.datum=WGS 84\nHEDa.hx.measurement_azimuth=0.0\nHEDa.hx.measurement_tilt=0.0\nHEDa.hx.sensor.type=magnetic\nHEDa.hx.type=magnetic\nHEDa.hy.channel_id=4.0\nHEDa.hy.channel_number=40\nHEDa.hy.component=hy\nHEDa.hy.filters=[]\nHEDa.hy.h_field_max.end=0.0\nHEDa.hy.h_field_max.start=0.0\nHEDa.hy.h_field_min.end=0.0\nHEDa.hy.h_field_min.start=0.0\nHEDa.hy.location.datum=WGS 84\nHEDa.hy.measurement_azimuth=0.0\nHEDa.hy.measurement_tilt=0.0\nHEDa.hy.sensor.type=magnetic\nHEDa.hy.type=magnetic\nHEDa.hz.channel_id=5.0\nHEDa.hz.channel_number=50\nHEDa.hz.component=hz\nHEDa.hz.filters=[]\nHEDa.hz.h_field_max.end=0.0\nHEDa.hz.h_field_max.start=0.0\nHEDa.hz.h_field_min.end=0.0\nHEDa.hz.h_field_min.start=0.0\nHEDa.hz.location.datum=WGS 84\nHEDa.hz.measurement_azimuth=0.0\nHEDa.hz.measurement_tilt=0.0\nHEDa.hz.sensor.type=magnetic\nHEDa.hz.type=magnetic" }, "distribution": { "edi_available": true, "license": "CC-BY-4.0", "edi_path": "edi/awags-1989-90/HED.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": "HED.edi", "input_sha256": "0d776a20126de0e9a5faa12db5383e18e8dccc61cfdd446e63368098d4469f93" }, "coordinate_qc": null, "canonical_conditioning": null, "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": "insufficient", "phs_xy_median_deg": null, "phs_yx_median_deg": null, "n_periods_used": 0, "detail": "only 0 usable period(s) (< 5) — no convention verdict" } }, "resources": [ { "id": "edi", "kind": "transfer_function", "format": "edi", "provenance_role": "source", "representation_role": "original", "path": "edi/awags-1989-90/HED.edi", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.4225/25/5aab48d653fb1", "identifies": "raw_packed" } ] }, { "id": "mth5", "kind": "transfer_function", "format": "mth5", "provenance_role": "derived", "representation_role": "alternate", "path": "h5/awags-1989-90/HED.h5", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.4225/25/5aab48d653fb1", "identifies": "raw_packed" } ] }, { "id": "edi-zip", "kind": "archive", "format": "zip", "path": "bundles/awags-1989-90-edi.zip", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.4225/25/5aab48d653fb1", "identifies": "raw_packed" } ] }, { "id": "survey-mth5", "kind": "archive", "format": "mth5", "path": "bundles/awags-1989-90-tf.h5", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.4225/25/5aab48d653fb1", "identifies": "raw_packed" } ] } ] }