MAGNET GPS Station - Photo by Geoff Blewitt

Station ID : NBTG

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: -22.242 degrees

Longitude: 166.416 degrees

Height: 66.200 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

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


3.16 km


3.72 km


7.24 km


7.24 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
Load prediction plot

Steps Information for this station

Station ID Date
Equipment Change Type/
or Event ID
NBTG17OCT31 us1000aytk 6.7 288.2
NBTG17NOV01 us1000azjt 6.6 260.4
NBTG17NOV19 us2000brgk 6.6 239.7
NBTG17NOV19 us2000brlf 7.0 254.2
NBTG18AUG19 us1000gcii 8.2 1673.7
NBTG18AUG29 us1000gjaz 7.1 382.9
NBTG18DEC05 us1000i2gt 7.5 311.9
NBTG21FEB10 us6000dg77 7.7 545.2
NBTG22MAR30 us7000gyj0 6.9 408.6
NBTG22MAR31 us7000gymk 7.0 408.7
NBTG22SEP14 us7000i7ya 7.0 414.6
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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