MAGNET GPS Station - Photo by Geoff Blewitt

Station ID : G121

Network Operator's Station ID : P121

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: 33.473 degrees

Longitude: 129.849 degrees

Height: 39.069 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


0.35 km


14.89 km


21.59 km


27.36 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
G12116MAR05 Receiver_Make_and_Model_Changed - -
G12103SEP25 official20030925195006360_27 8.2 1543.6
G12104SEP05 usp000d3ka 7.2 630.8
G12104SEP05 usp000d3mb 7.4 671.6
G12104DEC26 official20041226005853450_30 9.1 4857.3
G12105MAR20 usp000djku 6.6 45.4
G12105APR19 usp000dnsk 5.5 35.6
G12106JUN11 usp000ek60 6.3 126.2
G12111MAR11 official20110311054624120_30 9.1 1247.8
G12111MAR11 usp000hvpa 7.9 1073.0
G12114MAR13 usc000nabv 6.3 184.5
G12115NOV13 us10003y71 6.7 289.8
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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