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

Code: FX1
Latitude:  52.88211
Longitude:  173.16431
Elevation:   250.0
Depth: 
Name: Attu Island--Fox
Region: Alaska,U.S.A.
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 19650913
BB opened 19860723
GIA opened 199307
USAF code FX01 and FX31

Data at the ISC for 16 years between 1993 and 2010.

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

FX1    Attu Island-Fox                                               52.88210  173.16400     250.0         25-08-1999 25-08-1999  
       Alaska and Aleutians

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