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Station details:
================

Code: IBBN
Latitude:  52.30719
Longitude:    7.75661
Elevation:   137.0
Depth: 
Name: Ibbenburen
Region: Nordrhein-Westfalen,Germany
Status: 

        
Arrival picks statistics
Travel Time Analysis
On the top graph every dot represents the median residual for one month of data. The green line is the overall median; the orange line shows the standard deviation (smad) based on the median absolute deviation (mad), whilst the red line shows twice the standard deviation (2 * smad).
The bottom graph shows the number of residuals for each month. The red columns show the number of residuals whose median (for that month) is outside two standard deviations from the overall median (2 * smad).
Red dots indicate a possible clock error.
Travel time residuals
 

Station comments:
=================

opened 1995
GFON opened 199809
coords corrected 199906

Data at the ISC for 30 years between 1996 and 2025.

Known station history:
======================

First and Last use refers to the time period in which the coordinates were used by the ISC.

Code   Station name/Region                                           Latitude  Longitude Elevation   Depth  First use   Last use
================================================================================================================================

IBBN   Ibbenbueren                                                   52.30778    7.56000     137.0         03-03-2000 03-03-2000