wftimefilter.d: Usage protocol

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Meremonte, Mark E

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Aug 17, 2021, 4:07:23 PMAug 17
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Dear Forum,

Is it good protocol to direct all incoming data to an EW Instance through wftimefilter.d to manage time differences that may be present?

If so, is it prudent to:
  •  UseOriginalInstId        1          restamp packets with INST_"MyInstall-ID"   (whatever your install ID is set to)
  •  LogGap                     15.0        Minimum gap duration (seconds) for which a log entry is made.
  • TimeJumpTolerance   600        (Seconds)  This term is used to catch packets with Dubious timestamps.
The values above seem reasonable.

Regards, Mark

***************************************************************
Mark Meremonte    Geophysicist  
US Bureau of Reclamation   http://www.usbr.gov
Technical Services Center, Seismology & Geomorphology Group
Denver Federal Center,  PO Box 25007, 85-833000, Denver, CO  80225                  
Ship:  US Bureau of Reclamation, DFC, Bldg. 67-10th Floor, Denver, CO 80225
***************************************************************

Paul Friberg

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Aug 17, 2021, 8:45:31 PMAug 17
to Earthworm Community Forum
Yes, especially if you have data loggers that can jump into the future randomly.  We have seen this with numerous digitizer manufacturers. 

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