MAGNET GPS Station - Photo by Geoff Blewitt

Station ID : NDH2

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: 23.948 degrees

Longitude: 121.547 degrees

Height: 107.000 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


5.14 km


5.56 km


5.68 km


5.78 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
NDH214MAY21 usb000qxnd 5.6 22.0
NDH215FEB13 usb000tp6y 6.2 146.3
NDH215MAR23 us10001ps8 5.5 32.4
NDH215APR20 us200027ps 6.4 83.0
NDH215APR20 us200027rt 6.0 93.2
NDH215APR20 us200027ru 6.1 92.7
NDH215AUG13 us100031xw 5.6 95.8
NDH216FEB05 us20004y6h 6.4 148.1
NDH216APR27 us10005bxy 5.5 40.6
NDH216MAY12 us10005gpt 5.8 94.1
NDH216MAY12 us10005gq4 5.7 96.5
NDH218FEB04 us1000cfn6 6.1 28.4
NDH218FEB04 us1000cfnf 5.5 29.6
NDH218FEB06 us1000chhc 6.4 23.5
NDH218FEB07 us1000ci9y 5.7 23.9
NDH218OCT23 us1000hfxx 5.8 108.8
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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