MAGNET GPS Station - Photo by Geoff Blewitt

Station ID : TWRI

Station operator information:

from RINEX headers

Data processed by:

Geoffrey Blewitt, Nevada Geodetic Lab.

Latitude: 46.198

Longitude: -122.212

Height: 2071.054 meters

Time Series Data

(ascii text)
24 Hour Final Solutions


env xyz


env xyz
24 Hour Rapid Solutions

FID (~IGS08)



env readme xyz readme

QA files

ftp link

Rapid 5 Minute Solutions

Available Next Day
(8-32 hr. latency)


ftp link

Station Plots

Explanation of Plots

IGS08 IGS08 Cleaned NA12 NA12 Cleaned Rapid 5 min.
Not Available
Not Available
Not Available
Not Available
Not Available

Steps Information for this station

Station ID Date
Equipment Change Type/
or Event ID
TWRI08SEP29 Antenna_SN_Changed - -
TWRI09JUN16 Receiver_Type_Changed - -
TWRI11JUL02 Receiver_Type_Changed - -
TWRI11SEP06 Antenna_Type_Changed - -
TWRI12AUG01 Antenna_SN_Changed - -
TWRI05JUN15 usp000dt25 7.2 622.6
TWRI12OCT28 usp000juhz 7.8 1021.5
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 NGL logo: Designed by Corné    Kreemer and Geoff Blewitt