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

Code: THR
Latitude:  35.90800
Longitude:   51.12600
Elevation:  2150.0
Depth:   100.0
Name: Tehran
Region: Iran
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:
=================

update lat/lon/elev/open-date
THR is co-incident with new station CHTH - but CHTH is on the surface and THR is 100m down a borehole

Data at the ISC for 5 years between 2001 and 2009.

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
================================================================================================================================

THR    Tehran                                                        35.90730   51.12650    2120.0         25-08-1999 25-08-1999  
       Iran

THR    Tehran                                                        35.90733   51.12650    2120.0         25-08-1999 20-06-2005  
       Iran

THR    Tehran                                                        35.90800   51.12600    2250.0         20-06-2005 25-07-2006  
       Iran