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

Code: UNM
Latitude:  19.32900
Longitude:  -99.17800
Elevation:  2257.0
Depth: 
Name: Universidad Nacional Autonoma de Mexico
Region: Mexico D.F.,Mexico
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:
=================

XC2R4-WWV
opened 196706
GEOS opened 19900607
MNSN code CUIG
UNM code GEOS
SH_ position 19.3258N, 99.1762W

Data at the ISC for 55 years between 1967 and 2025.