MAGNET GPS Station - Photo by Geoff Blewitt

Station ID : J031

Network Operator's Station ID : 0031

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: 39.399 degrees

Longitude: 140.048 degrees

Height: 67.843 meters

Time Series Data

(ascii text)
24 Hour Final Solutions


tenv3 or tenv






24 Hour Rapid Solutions







5 Minute Final Solutions


kenv tar files for download

5 Minute Rapid Solutions
(last 60 days max)


kenv tar file download

Quality Assurance (QA) Files


.qa.gz file download

5 Minute Troposphere Solutions

Tot./Wet Zenith Delay, etc.

tar file download

New!: Loading Predictions.
See this README file for explanation.


tenv3 file with extra columns

Readme Files:

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

Nearest 4 Other Stations Distance


14.34 km


22.54 km


22.85 km


24.60 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
GPS time series plot
QA plot
Load prediction plot

Steps Information for this station

Station ID Date
Equipment Change Type/
or Event ID
J03110MAR14 usp000h9cg 6.5 227.5
J03110JUL04 usp000heww 6.3 201.7
J03111MAR09 usp000hvhj 7.3 264.4
J03111MAR09 usp000hvkh 6.5 268.6
J03111MAR11 official20110311054624120_30 9.1 235.7
J03111MAR11 usp000hvnv 6.3 212.0
J03111MAR11 usp000hvp3 6.3 198.1
J03111MAR11 usp000hvp5 6.7 290.2
J03111MAR11 usp000hvpa 7.9 359.0
J03111MAR11 usp000hvpg 7.7 421.2
J03111MAR11 usp000hvqm 6.3 202.4
J03111MAR11 usp000hvuu 6.6 208.5
J03111MAR11 usp000hw1y 6.2 147.3
J03111MAR17 usp000hxmc 6.2 198.9
J03111MAR25 usp000hyjm 6.2 172.8
J03111MAR27 usp000hyrs 6.2 202.0
J03111APR07 usp000hzf6 7.1 182.7
J03111APR11 usp000hzq8 6.6 268.4
J03111JUN22 usp000j3k6 6.7 194.7
J03111JUL10 usp000j4gp 7.0 317.6
J03111JUL23 usp000j5by 6.3 162.2
J03111JUL24 usp000j5ed 6.3 219.2
J03111SEP16 usp000j84y 6.7 252.6
J03112MAR14 usp000jg7e 6.9 447.8
J03112MAR27 usp000jgv9 6.1 176.2
J03112JUN17 usp000jmwc 6.3 162.7
J03112DEC07 usp000jwjn 7.3 378.0
J03113MAY24 usb000h4jh 8.3 1982.6
J03113OCT25 usc000kn4n 7.1 473.5
J03115FEB16 usb000tpvj 6.7 247.8
J03115MAY12 us20002et4 6.8 179.6
J03116NOV11 us1000770m 6.1 165.1
J03116NOV21 us10007b88 6.9 251.7
J03119JUN18 us600042fx 6.4 97.8
J03120APR19 us7000903m 6.3 177.8
J03121FEB13 us6000dher 7.1 239.0
J03121MAR20 us7000dl6y 7.0 173.9
J03121MAY01 us7000dz5t 6.9 189.2
J03122MAR16 us6000h519 7.3 229.9
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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