MAGNET GPS Station - Photo by Geoff Blewitt

Station ID : CHOF

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.

Coordinates:

Latitude: 35.675 degrees

Longitude: 139.531 degrees

Height: 93.959 meters


Time Series Data

(ascii text)
24 Hour Final Solutions

IGS14

env

xyz

OK

env

PA

env

24 Hour Rapid Solutions

FID

env

xyz

5 Minute Final Solutions

IGS14

kenv tar files for download

5 Minute Rapid Solutions
(last 14 days max)

FID

kenv tar file download

5 Minute Ultra Rapid Solutions
(files updated hourly)

FID

individual kenv files for download

Quality Assurance (QA) Files

IGS14

.qa.gz file download

5 Minute Troposphere Solutions

Tot./Wet Zenith Delay, etc.

tar file download

Readme Files:

env format, xyz format,
kenv format, QA file format


Nearest 4 Other Stations Distance

MTKB

2.76 km

MTKA

2.79 km

KGN0

5.25 km

NICT

5.35 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. Further explanations on plot contents can be found here.


Steps Information for this station

Station ID Date
(YYMMMDD)
Equipment Change Type/
or Event ID
Earthquake
Magnitude
Distance
(km)
CHOF18FEB05 Elevation_Cutoff_Changed - -
CHOF13OCT25 usc000kn4n 7.1 487.6
CHOF13NOV09 usb000kvca 5.6 47.9
CHOF13NOV16 usb000kzuj 5.5 56.7
CHOF14SEP16 usb000scur 5.5 54.2
CHOF14NOV22 usb000syza 6.2 182.5
CHOF15MAY30 us20002ki3 7.8 876.0
CHOF16NOV21 us10007b88 6.9 253.0
CHOF18JUL07 us2000fz0q 5.9 118.9
Distance is from this station to earthquake epicenter in km. A potential step record appears when this distance is less than 10^(M/2 - 0.8) where M is earthquake magnitude.
Steps for all stations are given in the master step file database (link).


University of Nevada, Reno