MAGNET GPS Station - Photo by Geoff Blewitt

Station ID : NTKA

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: 49.592 degrees

Longitude: -126.617 degrees

Height: -1.557 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


33.71 km


36.60 km


37.49 km


47.93 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

Steps Information for this station

Station ID Date
Equipment Change Type/
or Event ID
NTKA01MAR20 Receiver_Make_and_Model_Changed - -
NTKA05NOV01 Antenna_Code_Changed - -
NTKA05NOV01 Receiver_Make_and_Model_Changed - -
NTKA18NOV07 Antenna_and_Radome_Codes_Changed - -
NTKA18NOV07 Elevation_Cutoff_Changed - -
NTKA18NOV07 Receiver_Make_and_Model_Changed - -
NTKA01FEB28 uw10530748 6.8 395.3
NTKA04JUL15 usp000d07f 5.9 20.6
NTKA04JUL19 usp000d0fx 6.4 25.5
NTKA04NOV02 usp000d7h4 6.7 159.8
NTKA11SEP09 usp000j7ur 6.4 20.9
NTKA12OCT28 usp000juhz 7.8 521.6
NTKA12NOV08 usp000jv6k 6.1 140.5
NTKA13JAN05 ak0138esnzr 7.5 838.7
NTKA13AUG04 usb000iv7t 5.5 59.0
NTKA14APR24 usb000px6r 6.5 80.5
NTKA18OCT22 us1000hfgn 6.5 205.6
NTKA18OCT22 us1000hfgv 6.8 195.2
NTKA18OCT22 us1000hfh3 6.5 227.0
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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