Standing Committee Meeting Report Quality Assurance Advisory Committee

August 2022

Quality Assurance Advisory Committee Meeting
Summer Teleconference
Wednesday, August 17, 2022
12-2:00 PM EDT (9-11:00 AM PDT)

Agenda
Topic Presenter
Roll call and introductions E. Sandvol (Chair)
GNSS Quality and Uncertainty

M. Floyd

Real-Time GNSS QC

H. Berglund

Earthscope Governance Structure Updates

G. Sharer
Review of Action Items

E. Sandvol

New action items and final comments E. Sandvol

 

Action Items

JUL2019-003: Update on progress of FDSN QA
Responsible: Jerry Carter
Status: On-going.

JUN2020-002: Assemble existing scripts/tools for MUSTANG interactions with MATLAB
Responsible: Vedran Lekic
Status: Closed. Andy began this work, but was unable to find the bandwidth to adequately document and test the scripts.

JUN2020-006: Compile reports of QA problems caused by COVID-19; including data availability, sensor performance, etc. Quantify in some way the data availability / quality reduction due to deferred maintenance.
Responsible: Katrin Hafner
Status: Closed. Katrin is no longer a member of the committee

JAN2021-001: Initiate further discussion of the tasks needed to integrate MUSTANG into the new IRIS/UNAVCO merger (including QA for GNSS) and future deployment to the cloud, the usefulness of associative QA measurements (mass position, synthetics), and the dissemination of sensor operator knowledge.
Responsible: Eric Sandvol
Status: No progress.

JUL2021-001: Reach out to UNAVCO to ask if they would be willing to prepare a presentation or document describing what high-rate GNSS data is, its size, and the typical applications in deriving the displacement time-series. Responsible: Bob Busby Status: Completed.

JUL2021-003: Raise the issues of FetchData uniformity and centralized reporting of metadata issues to the FDSN.
Responsible: Jerry Carter
Status: No progress.

MAR2022-001: Reach out to UNAVCO and ask if they would prepare a presentation or document describing UNAVCO Quality Assurance and archiving practices.
Responsible: Mon-Han Huang
Status: Completed.

MAR2022-002: Assemble feedback from QAAC members about how the QAAC should fit into the Earthscope governance structure
Responsible: Eric Sandvol
Status: In progress. Discussed during this meeting.

MAR2022-002 Initiate discussion of quality control of new kinds of time series data such as node, Distributed Acoustical System, and magnetotelluric data
Responsible: Eric Sandvol
Status: No progress.

From DSSC: [S2021:1] Investigate a way of finding data that “looks different”. What are the most common reasons for which data are tossed? Link to new “funny squiggles” paper (Ringler et al. 2021, Why Do My Squiggles Look Funny? A Gallery of Compromised Seismic Signals.)
Responsible: QAAC
Status: The paper was distributed to the QAAC members.

(NEW) AUG2022-01 Create proposal advocating for a role for a quality assurance committee in Earthscope Governance, possibly as a joint sub-committee or super-committee or as a 6th committee.
Responsible: Eric Sandvol

(NEW) AUG2022-02 Compile uncompleted action items and present to the IRIS Board of Directors.
Responsible: Eric Sandvol