[dhi-servers] Isilon service restored - IRIS_DataCenter restored

chris chris at iris.washington.edu
Mon Feb 12 13:04:42 PST 2007


Chuck:
      I'm adding a DRQ flag in a property object. It will be in the  
form Quality={D, R, Q}

      I'll let you know when it is available for testing.

thanks
Chris


On Feb 12, 2007, at 10:12 AM, Charles Ammon wrote:

> Hi,
>
> Is there are way to determine the quality of seismogram when  
> requesting data from the DHI? I don't mean applying a measurement  
> to the signal, but a way to access quality factors that seem to be  
> part of rdseed these days (and ones that Rob mentioned in a recent  
> post).
>
> I may have missed something when I originally read through the  
> Fissures IDL, but I can't find the components/tags/whatever that  
> may have this information. I know that some "properties" arrays are  
> returned with seismogram objects, but they are usually empty.
>
> For example, I just retrieved two large and largely overlapping  
> segments from ANMO. One of the signals is a seismogram, the other  
> has issues. They are red and black in the included image. I've also  
> listed some details on what came back from the retrieveSeismograms  
> call (the second one is the "good" one. The seismogram ID's differ,  
> is there a pattern or set of rules associated with them?
>
> Can anyone explain what I am missing? Perhaps it's just an issue of  
> using the IRIS_DataCenter, which I recognize is not in production yet.
>
> Thanks,
> Chuck
>
>
>
>
> <pastedGraphic.tiff>
>
>
>
>
> *********** IRIS Seismgrm Attributes ***********
> Seismogram ID:LHZ-2006,319,00:00:00
> Seis Begin Time:2006-11-15T00:00:00.661Z
> Npts:86400
> -------------
> IRISChannelID
> -------------
> IRIS Network ID
>   Network Code:IU
>   Network Begin Time: 2006-11-15T00:00:0.0000Z
>
> Station Code: ANMO
> Site Code: 00
> Channel Code: LHZ
> Channel Begin Time: 2006-11-15T00:00:0.0000Z
> Amplitude Units: [COUNT (x10^0)]^1
> Sampling Info:
> IRISSampling: Time Interval = 86400000.000000 [SECOND (x10^-3)]^1 /  
> Npts = 86400
> IRISProperties:
> (),
>
> *********** IRIS Seismgrm Attributes ***********
> Seismogram ID:LHZ-2006,319,00:00:00LHZ-2006,319,00:00:00
> Seis Begin Time:2006-11-15T00:02:27.661Z
> Npts:86464
> -------------
> IRISChannelID
> -------------
> IRIS Network ID
>   Network Code:IU
>   Network Begin Time: 2006-11-15T00:00:0.0000Z
>
> Station Code: ANMO
> Site Code: 00
> Channel Code: LHZ
> Channel Begin Time: 2006-11-15T00:00:0.0000Z
> Amplitude Units: [COUNT (x10^0)]^1
> Sampling Info:
> IRISSampling: Time Interval = 86464000.000000 [SECOND (x10^-3)]^1 /  
> Npts = 86464
> IRISProperties:
> ()
>
> ======================================================================
> Charles J. Ammon, Department of Geosciences
> Penn State University / 440 Deike Bldg / University Park, PA 16802
> VOICE: (814) 865 2310  / FAXES: (814) 863 7823 or (814) 863 8724
> http://eqseis.geosc.psu.edu/~cammon/
> http://www.personal.psu.edu/faculty/c/j/cja12/
>
>
> _______________________________________________
> dhi-servers mailing list
> dhi-servers at iris.washington.edu
> http://www.iris.washington.edu/mailman/listinfo/dhi-servers
>



More information about the dhi-servers mailing list