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

Code: GCM
Latitude:  19.28900
Longitude:  -81.38100
Elevation:     5.0
Depth: 
Name: Grand Cayman
Region: Cayman Islands
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.
 

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

opened 198411
Also sent to NEIS by TRN

Data at the ISC for 11 years between 1984 and 1995.

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

GCM    Grand Cayman                                                  19.28900  -81.38100       5.0         25-08-1999 13-01-2011  
       Cayman Islands