MAGNET GPS Station - Photo by Geoff Blewitt

Station ID : TACN

Station operator information from: RINEX headers

When using products from this system please cite Blewitt et al., (2018) for the processing plus also the citation for the original data.


Latitude: -18.005 degrees

Longitude: -70.226 degrees

Height: 682.166 meters

Time Series Data

(ascii text)
24 Hour Final Solutions


tenv3 or tenv




5 Minute Final Solutions


kenv tar files for download

Quality Assurance (QA) Files


.qa.gz file download

5 Minute Troposphere Solutions

Tot./Wet Zenith Delay, etc.

tar file download

Readme Files:

tenv3 format, tenv format, xyz format,
kenv format, trop format, QA file format
(Note: When using the MIDAS software
use the .tenv files linked above)

Nearest 4 Other Stations Distance


0.00 km


7.45 km


39.00 km


42.50 km

Time Series Plots

Click on the buttons on the left below to choose from available reference frames, latencies, and sample rates. Original, Cleaned (outlier removed) and detrended (using MIDAS rate) plots are available. See plot explanation page for further explanations on plot contents.

GPS time series plot
GPS time series plot
GPS time series plot
GPS time series plot
GPS time series plot
QA plot

Steps Information for this station

Station ID Date
Equipment Change Type/
or Event ID
TACN09NOV13 usp000h401 6.5 154.8
TACN10FEB27 official20100227063411530_30 8.8 2031.6
TACN10MAY06 usp000hccn 6.2 34.5
TACN11MAR06 usp000hvef 6.3 91.4
TACN12MAY14 usp000jkdy 6.2 76.4
TACN13SEP25 usb000jzma 7.1 515.6
TACN14MAR16 usc000ndnj 6.7 225.3
TACN14MAR17 usc000ndw9 6.4 234.2
TACN14MAR23 usc000nm96 6.3 198.7
TACN14APR01 usc000nzvd 8.2 187.4
TACN14APR01 usc000nzwm 6.9 223.1
TACN14APR03 usc000p26f 6.5 259.1
TACN14APR03 usc000p27i 7.7 286.7
TACN15MAR23 us10001ppx 6.4 118.5
TACN15SEP16 us20003k7a 8.3 1515.7
TACN17OCT10 us2000b3dm 6.3 80.4
TACN18JAN14 us2000cjfy 7.1 538.0
TACN18JAN21 us2000cm0f 6.3 127.6
TACN19MAR01 us1000j96d 7.0 366.1
TACN19MAY26 us60003sc0 8.0 1462.2
TACN19DEC03 us70006fh7 6.0 66.7
Distance is from this station to earthquake epicenter in km. A potential step record appears when this distance is less than 10^(M/2 - 0.79) where M is earthquake magnitude.
Steps for all stations are given in the master step file database.

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