MAGNET GPS Station - Photo by Geoff Blewitt

Station ID : SIM4

Station operator information from: RINEX headers

Data attribution information from: UNAVCO DOI Database

from DOI link:

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


Latitude: 27.166 degrees

Longitude: 84.985 degrees

Height: 71.930 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


0.14 km


0.15 km


20.52 km


28.48 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
GPS time series plot
GPS time series plot
QA plot

Steps Information for this station

Station ID Date
Equipment Change Type/
or Event ID
SIM415MAY06 Receiver_Make_and_Model_Changed - -
SIM404DEC26 official20041226005853450_30 9.1 2900.4
SIM405MAR28 official20050328160936530_30 8.6 3073.4
SIM411MAR11 official20110311054624120_30 9.1 5421.4
SIM411SEP18 usp000j88b 6.9 319.0
SIM412APR11 official20120411083836720_20 8.6 2892.8
SIM415APR25 us20002926 7.8 121.0
SIM415APR25 us20002bi4 6.1 75.1
SIM415APR25 us2000292y 6.6 118.8
SIM415APR26 us200029bt 6.7 122.1
SIM415MAY12 us20002ejl 7.3 128.3
SIM415MAY12 us20002ek5 6.3 126.9
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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