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

Code: HEF
Latitude:  68.40800
Longitude:   23.66000
Elevation:   380.0
Depth:     0.0
Name: Hetta
Region: Finland
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:
=================

Exact coordinates will be informed later. Opening day is expected to be
near of the one informed. Station HEF belongs to the National Finnish
Network called HEL.

Data at the ISC for 19 years between 2007 and 2025.