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Comprehensive Guide to Station Servicing and Data Offload for Portable Broadband Seismology

This document outlines best practices for servicing portable broadband seismic stations and data offloading techniques, based on a workshop held in Jakarta, Indonesia in May 2006. Key considerations include thorough documentation of fieldwork, ensuring proper instrument functionality, and effective data management practices. The guide details procedures for checking GPS locks, power supply, and data storage, as well as connecting to appropriate software for data offload. Follow the outlined steps for successful station maintenance and data collection.

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Comprehensive Guide to Station Servicing and Data Offload for Portable Broadband Seismology

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  1. Portable Broadband Seismology Part 11: Station Servicing & Data Offload Jakarta, Indonesia May 11-13, 2006 Bruce Beaudoin Marcos Alvarez

  2. Field Practices • Take comprehensive field notes. • If it is not documented, it didn’t happen • Take your time. • Make sure you will record useful data. The “Fort Five” • Do you have power? • Does the seismometer produce signal? • Is your instrument programmed correctly? • Do you have timing? • Is your data being telemetered or stored on-site?

  3. Servicing Your Site

  4. Servicing Your Site

  5. Connect the Clié • Connect the Clié to the Console port on the Q330 • On the Clié launch Q330beta

  6. Check Q330 Status • Select Overview from Q330beta’s spash screen • Select System from Views

  7. Things to Look For • Last GPS Lock/Phase Error/Clock Quality • GPS should cycle ever 3 hours • Main Current/Input Volts • Should usually be less than 100ma • Input Volts should be >12V • Boom Pos (in 1/10V, e.g. 18=1.8V) • Should be between -20 & +20 • Last Boot • Should coincide with your last service or earlier • Last Resync • Last time the internal clock was significantly different from GPS time and internal clock had to be resynchronized. This should usually only happen shortly after Last Boot time.

  8. Check the Sensor • Select QuickView beneath the Views menu. • Do a Stomp Test to ensure all elements are working • Be sure to press Stop before leaving this window.

  9. Flush RAM to baler • If the Status LED is green and the Ethernet Link LED is on then the baler is already running. If the Ethernet Active LED is yellow most of the time it means that data is being sent to the baler. Wait until the Ethernet Active LED activity slows down then press and release the ATTN button to turn the baler off. Wait until the Status LED returns to blinking green every few seconds before doing anything else. • If the Status LED is blinking once every few seconds then the baler is off. Use the menus below to turn the baler on.

  10. Downloading Baler Data

  11. Prepare the Baler • Using the download QNET cable, connect the alligator clips to a battery. • Connect the RJ-45 to the laptop. • Connect the QNET connector to the front of the Baler Note: This is a cross-over network cable.

  12. Launch baleaddr

  13. Power Baler

  14. Baleaddr Should Recognize the baler The Baler OK message indicates all is working

  15. Launch a Browser

  16. Select Data To Offload Download both multiplexed and just 1sps

  17. Clean the baler Wait for baleaddr to indicate it is done

  18. Shutdown the baler

  19. Disconnect the Baler • QNET • Laptop • Battery 1 2 3

  20. Software Tools

  21. Types • File and header viewing • mseedpeek • mseedscan • File manipulation and editing • sdrsplit • fixhdr • qedit • Waveform viewing • pql • SEED building • PDCC

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