[obspy-users] Error in the NRL database?

Tobias Megies megies at geophysik.uni-muenchen.de
Fri Apr 24 11:10:05 CEST 2020


Hi Mark,

from a first look, that indeed looks like it's a bug in ObsPy's NRL
client, I opened a ticket for it on github:

https://github.com/obspy/obspy/issues/2604

Thanks for reporting!

cheers,
Tobias


On 24/04/2020 02:03, Goldman, Mark R wrote:
> Hello,
> 
> I'm using the NRL routines based on the below website:
> 
> https://docs.obspy.org/tutorial/code_snippets/stationxml_file_from_scratch.html
> 
> However, there is an error either on the Obspy end or the IRIS end, because when I try to pull a 36db gain RESPONSE file, I get the 0db RESPONSE file:
> 
> Python Code:
> 
>    print(nrl.dataloggers["DTCC (manufacturers of SmartSolo"]["SmartSolo IGU-16"]["0 dB (1)"]["500"]["Minimum Phase"]["Off"])
>    print(nrl.dataloggers["DTCC (manufacturers of SmartSolo"]["SmartSolo IGU-16"]["36 dB (64)"]["500"]["Minimum Phase"]["Off"])
> 
> Results (the same RESPONSE file):
> 
> ('SmartSolo IGU-16, 0 dB gain, 500 sps, minimum phase final filters, low cut off', 'http://ds.iris.edu/NRL/dataloggers/dtcc/igu16/RESP.XX.DT046..DPZ.SSOLO_IGU16.1.500.MP.OFF')
> ('SmartSolo IGU-16, 0 dB gain, 500 sps, minimum phase final filters, low cut off', 'http://ds.iris.edu/NRL/dataloggers/dtcc/igu16/RESP.XX.DT046..DPZ.SSOLO_IGU16.1.500.MP.OFF')
> 
> Would this be an error on the Obspy end or the NRL end?
> 
> Thanks,
> 
> Mark
> M.R. Goldman
> Geophysicist
> Earthquake Science Center
> U.S. Geological Survey
> 350 N. Akron Rd.,
> Mountain View, CA, 94035
> 
>  
> 
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