{ "schema": "ausmt-station", "version": "0.1", "ausmt_id": "au.paralana-2010.pb17", "station": "pb17", "survey": "Paralana Geothermal Broadband MT Survey 2010 (Adelaide University)", "survey_id": "paralana-2010", "country": "Australia", "organisation": "Adelaide University", "location": { "lat": -30.2318, "lon": 139.7199 }, "data": { "type": "BBMT", "n_periods": 24, "period_min_s": 0.04, "period_max_s": 131.071992 }, "diagnostics": { "median_relative_error": 0.109, "remote_reference": false, "tipper_available": false, "completeness_smoothness_diagnostic": { "value": 3.4, "basis": "e", "note": "not a quality or geological-value judgement" }, "classification": "2-D", "skew_beta_median_deg": 1.7, "pct_periods_3d": 38, "method": "phase-tensor (Caldwell 2004)", "note": "screening diagnostic, not an interpretation product" }, "processing": { "software": null, "algorithm": null, "remote_reference": false, "remote_site": null, "file_written_by": { "name": null, "version": null }, "note": "source.file=pb17.edi, delivered as EDI/OriginalBB/pb17.edi\nsource.collection=The University of Adelaide Magnetotellurics (MT) data collection, SA_Broadband_Paralana_March_2010/EDI/OriginalBB, the 2010 original broadband rendition\nsource.sha256=ab3ad9ccac241d0dbb0a123342bf337cc293cdc090dfcc4e07267a30a30c46d3\nsource.copy=provenance/as-delivered/pb17.edi in this package, byte identical to the collection file\nrepair.defect=the delivered ACQDATE 19/05/2010 and FILEDATE 20/05/10 are written day/month/year with a two-digit FILEDATE year, a form the reader takes month first; this file's ACQDATE day exceeds 12 so the reader happened to take it correctly, and the ambiguous form stands\nrepair.change=ACQDATE and FILEDATE rewritten into ISO 8601; no other byte of the header, of any data block, of any line ending or of any padding is changed\nrepair.basis=the delivery writes day first: across the 56 files of this rendition no ACQDATE and no FILEDATE value carries a month above 12, the ACQDATE months are 03 and 05 only and the FILEDATE months run 03 to 07, the day fields reach 21 in ACQDATE and 31 in FILEDATE, and the two-digit FILEDATE year 10 stands for 2010 because 55 of the 56 ACQDATE values in the same rendition print the four-digit 2010 and the reprocessed renditions of the same soundings print 2011 in full\nrepair.ruling=owner ruling 2026-09-18: a header defect the reader refuses or misreads is repaired in the served copy, the delivered file is kept under provenance/as-delivered and the change is recorded in the served file itself\nrepair.by=AusMT corpus package build, _tools/repair_edi_header_dates.py" }, "distribution": { "edi_available": true, "license": "CC-BY-4.0", "edi_path": "edi/paralana-2010/pb17.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": "pb17.edi", "input_sha256": "e87eb4b877b14aa180dec86972b607f74924cf0628f76351de8ff1e405f3cd4c" }, "coordinate_qc": null, "canonical_conditioning": [ "survey.id->paralana-2010", "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:Heinson, Graham", "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": null, "trot": null, "rotspec": null, "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": 23.41, "phs_yx_median_deg": -145.22, "n_periods_used": 24, "detail": null } }, "runs": [ { "id": "pb17_001", "time_period": { "start": "2010-03-08T03:50:00.000000+00:00", "end": "2010-03-08T21:56:00.000000+00:00" }, "sample_rate_hz": 500.0, "data_logger": { "manufacturer": "Earth Data Ltd", "model": "PR6-24", "serial_number": "62139", "identifiers": [ { "scheme": "DOI", "identifier": "10.82388/82e1j7fi" } ] }, "channels": [ { "component": "ex", "dipole_length_m": 44.0 }, { "component": "ey", "dipole_length_m": 47.0 }, { "component": "hx", "sensor": { "manufacturer": "LEMI", "model": "LEMI-120", "serial_number": "259", "identifiers": [ { "scheme": "DOI", "identifier": "10.82388/e83x00fe" } ] } }, { "component": "hy", "sensor": { "manufacturer": "LEMI", "model": "LEMI-120", "serial_number": "258", "identifiers": [ { "scheme": "DOI", "identifier": "10.82388/dop3lg6a" } ] } } ] } ], "resources": [ { "id": "edi", "kind": "transfer_function", "format": "edi", "provenance_role": "source", "representation_role": "original", "path": "edi/paralana-2010/pb17.edi", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.4225/41/5a618c3ae30ab", "identifies": "collection" }, { "scheme": "DOI", "identifier": "10.25914/5bea579d41e8f", "identifies": "raw_packed" } ] }, { "id": "emtfxml", "kind": "transfer_function", "format": "emtfxml", "provenance_role": "derived", "representation_role": "alternate", "path": "xml/paralana-2010/pb17.xml", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.4225/41/5a618c3ae30ab", "identifies": "collection" }, { "scheme": "DOI", "identifier": "10.25914/5bea579d41e8f", "identifies": "raw_packed" } ] }, { "id": "mth5", "kind": "transfer_function", "format": "mth5", "provenance_role": "derived", "representation_role": "alternate", "path": "h5/paralana-2010/pb17.h5", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.4225/41/5a618c3ae30ab", "identifies": "collection" }, { "scheme": "DOI", "identifier": "10.25914/5bea579d41e8f", "identifies": "raw_packed" } ] }, { "id": "edi-zip", "kind": "archive", "format": "zip", "path": "bundles/paralana-2010-edi.zip", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.4225/41/5a618c3ae30ab", "identifies": "collection" }, { "scheme": "DOI", "identifier": "10.25914/5bea579d41e8f", "identifies": "raw_packed" } ] }, { "id": "xml-zip", "kind": "archive", "format": "zip", "path": "bundles/paralana-2010-xml.zip", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.4225/41/5a618c3ae30ab", "identifies": "collection" }, { "scheme": "DOI", "identifier": "10.25914/5bea579d41e8f", "identifies": "raw_packed" } ] }, { "id": "survey-mth5", "kind": "archive", "format": "mth5", "path": "bundles/paralana-2010-tf.h5", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.4225/41/5a618c3ae30ab", "identifies": "collection" }, { "scheme": "DOI", "identifier": "10.25914/5bea579d41e8f", "identifies": "raw_packed" } ] } ] }