Updates on Federation of Digital Broad-Band Seismograph Networks Discussions

This content provides an overview of recent discussions and updates within the Federation of Digital Broad-Band Seismograph Networks (FDSN). It covers topics such as data formats, data centers, StationXML revisions, quality control proposals, future developments of mini-SEED, and involvement of the OBS community. The document highlights decisions made by Working Group II and emphasizes the importance of aligning standards and involving stakeholders in the development process.

• Seismograph Networks
• FDSN
• Data Formats
• StationXML
• Quality Control

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1. Federation of Digital Broad-Band Seismograph Networks FDSN Working Group II Data Format and Data Centers Reinoud Sleeman IAG-IASPEI Joint Scientific Assembly Kobe, Japan, 1 August 2017 1

2. Federation of Digital Broad-Band Seismograph Networks StationXML pending issues, often very limited response; minor revisions vs major revision OBS White Paper Metadata (Wayne Crawford) proposal to define standards for OBS (data, metadata, processing) and align these with FDSN standards Quality Control proposal to define standard metrics of basic parameters - status Future of mini-SEED (Next Generation (NG) format) o Technical Workshop (22-23 March, 2017, Utrecht (Netherlands), ORFEUS funding) o White Paper 2

3. Federation of Digital Broad-Band Seismograph Networks StationXML Acceptance by WG2 to release a minor version update of StationXML (includes all accepted changes, e.g. DOI). Acceptance by WG2 to work on a major revision of StationXML related to future developments of mini-SEED. 3

4. Federation of Digital Broad-Band Seismograph Networks OBS Recommendation by WG2 to involve OBS community in discussions on, and development of StationXML and the future of mini-SEED. 4

5. Federation of Digital Broad-Band Seismograph Networks Quality Control EIDA document was circulated in the mailing list feedback from IRIS- DMC. EIDA and IRIS-DMC are (most likely) consistent in definitions and will deploy further testing 5

6. Federation of Digital Broad-Band Seismograph Networks Future of mini-SEED Urgent need for a new format for N large experiments New format will be used for data that requires the new format. (implications on the services expected (WG3)) New format will become available via the standard FDSN services. MSEED2 will remain an accepted FDSN standard WG2 agrees to continue working on the Development Requirements Document/List of the new format 6