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

Code: KDZ
Latitude:  41.63020
Longitude:   25.33960
Elevation:   335.0
Depth: 
Name: Kurdzhali
Region: Bulgaria
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:
=================

Position corrected Oct 1988
Coordinates updated on 28/01/2020 previously 41.6500 25.4167 station has not been moved

Data at the ISC for 55 years between 1971 and 2025.