Site Information
Site NameCodeSubnetTypeMonument InstalledData Archived
Johnston Ridge ObservatoryJRO1PANGABUILDING ROOF (Y or URL)1997-05-23T00PANGA

Site Location Information
CityStateLatitudeLongitudeElevation
Castle RockWashington46.2751-122.2171275.6

Approximate ITRF Position X,Y,Z (m)
XYZ
-2354944.9302-3737042.80624587358.0741

Current Receiver and Antenna Type
ReceiverAntenna
JAVAD TRE_G3TH SIGMAJAVRINGANT_DM SCIS

Data Acquisition for CGPS
TelemetryReal-TimeSGM DistOnboard PPPLast Data

Receiver Upgrades and Firmware Updates
Date InstalledTime UTCReceiver Type
1997-05-2300:00:00TRIMBLE 4000SSI
2000-05-1000:00:00TRIMBLE 4000SSI
2002-10-0400:00:00TRIMBLE 5700
2003-08-0800:00:00TRIMBLE 4000SSI
2003-12-0800:00:00TRIMBLE 5700
2004-01-0100:00:30TRIMBLE 5700
2004-10-2900:00:00TRIMBLE 5700
2007-08-3100:00:15TRIMBLE 4700
2007-10-2922:30:00TRIMBLE 5700
2008-02-2600:00:00TRIMBLE 5700
2008-07-2521:05:30TRIMBLE 4700
2008-08-0620:44:00TRIMBLE 4700
2008-11-1900:00:00TRIMBLE NETRS
2010-05-1400:00:00TRIMBLE NETR8
2011-11-1019:53:45JAVAD TRE_G3TH
2011-11-2322:43:45JAVAD TRE_G3TH
2012-01-0500:00:00JAVAD TRE_G3TH
2012-05-0920:09:45JAVAD TRE_G3TH
2013-04-2423:23:00JAVAD TRE_G3TH
2019-04-0823:16:15JAVAD TRE_G3TH
2021-06-2200:00:00SEPT POLARX5
2022-10-1800:00:00SEPT POLARX5
2024-01-0900:00:00SEPT POLARX5

Antenna and Domes
Date InstalledTime UTCAntenna Type & Dome
1997-05-2300:00:00TRM29659.00 SNOW
1998-07-0800:00:00TRM29659.00 UNAV
2002-07-1600:00:00TRM29659.00 SCIS
2004-01-0100:00:30TRM29659.00 SCIS
2004-10-2900:00:00TRM29659.00 SCIS
2007-08-3100:00:15TRM29659.00 SCIS
2007-10-2922:30:00TRM29659.00 SCIS
2008-02-2600:00:00TRM29659.00 SCIS
2008-07-2521:05:30TRM29659.00 SCIS
2008-08-0620:44:00TRM29659.00 SCIS
2008-11-1900:00:00TRM29659.00 SCIS
2010-05-1400:00:00TRM29659.00 SCIS
2011-11-1019:53:45TRM29659.00 SCIS
2011-11-2322:43:45TRM29659.00 SCIS
2012-01-0500:00:00JAVRINGANT_DM SCIS
2012-05-0920:09:45JAVRINGANT_DM SCIS
2013-04-2423:23:00JAVRINGANT_DM SCIS
2019-04-0823:16:15JAVRINGANT_DM SCIS
2021-06-2200:00:00JAVRINGANT_DM SCIS
2022-10-1800:00:00JAVRINGANT_DM SCIS
2024-01-0900:00:00JAVRINGANT_DM SCIS
DD=Daily Download, MD=Manual Download, DC=Decommissioned, NA=Not Available