HOB2 Station Information - Site Page
Station Loghob2_20180928.log
DOMES Number
Data Center

HOB2 Quality

Daily RINEX2 observations

Receiver + Firmware


RINEX2 Cycle Slips

RINEX2 RMS Multipath

RINEX2 Latency

Final Clock Discontinuity
Rapid Clock Discontinuity


The residual plots show the differences between weekly station position estimates (from the weekly IGS combined solutions) and the latest IGS cumulative solution piecewise linear [+post-seismic deformation] model. For more information on the IGS cumulative solution please see:

HOB2 Email Advisories
Email Date Sender Subject
0066372019/01/15GA GNSS Operation HOB2: Disruption [SEC=UNCLASSIFIED]
0059782016/11/27Zhou Ted HOB2: Frequency Standard Upgrade [SEC=UNCLASSIFIED]
0059702016/11/20Ruddick Ryan HOB2: Receiver Change [SEC=UNCLASSIFIED]
0050372014/08/19Ryan.Ruddick at g HOB2: Power Failure [SEC=UNCLASSIFIED]
0049842014/07/16Ryan.Ruddick at g HOB2: Firmware Upgrade [SEC=UNCLASSIFIED]
0047332013/12/16Nicholas.Dando at FW: HOB2 external frequency H-maser swapover [SEC=UNCLASSIFIED]
0045762013/07/04Nicholas.Dando at Re: HOB2 external frequency issue. [SEC=UNOFFICIAL]
0041662012/08/14Nicholas.Dando at Re: HOB2 NASA H-maser issues [SEC=UNOFFICIAL]
0036932011/09/12ryan.ruddick at g HOB2: Proposed Change to H-Maser
0036362011/08/10ryan.ruddick at g HOB2: Planned Disruption
0031742010/10/10nicholas.dando at HOB2: Firmware upgrade
0030192010/07/28ryan.ruddick at g HOB2: Firmware Upgrade
0029632010/07/03ryan.ruddick at g HOB2: Data Outage
0028472010/05/03ryan.ruddick at g HOB2: Firmware Upgrade
0025982009/11/10Michael.Moore at HOB2 data outage and planned local tie survey [SEC=UNCLASSIFIED]
0024162009/07/06Ryan.Ruddick at g HOB2: Firmware Upgrade
0021232008/12/15Michael.Moore at HOB2 receiver change [SEC=UNCLASSIFIED]
0016732008/03/19Michael.Moore at HOB2: Communication Outage [SEC=UNCLASSIFIED]
0009742006/10/17Michael.Moore at HOB2: outage
0006062005/10/03Michael.Moore at HOB2 receiver change
0062712004/03/30Bob.Twilley at ga HOB2 Oscillator change back to Hydrogen Maser
0062652004/03/25Bob.Twilley at ga HOB2 Oscillator change
0051892002/04/01Digney, Paul HOB2 Receiver change and Data outage
0049072001/09/23Digney, Paul HOB2 Data Outage
0048502001/08/16Digney, Paul HOB2 Operational
0048322001/08/08Twilley, Bob HOB2 data outage
0046282001/03/29Digney, Paul HOB2 Data Outage
0046292001/03/29Digney, Paul HOB2 Data Outage
0043892000/09/12Digney, Paul HOB2 Data problems - Data Resubmitted
0043852000/09/10Digney, Paul HOB2 Data problems
0043262000/07/26Twilley, Bob HOB2 Data Outage, Receiver Change
0042432000/05/31Twilley, Bob HOB2 Data available
0042342000/05/28Twilley, Bob HOB2 data outage
0041692000/04/13Twilley, Bob HOB2 operational
0041672000/04/12Twilley, Bob HOB2 Power outage
0041132000/03/12Twilley, Bob HOB2
0039721999/11/29Bob HOB2 receiver change
0037941999/08/16Bob HOB2 Firmware Upgrade
0037591999/07/25Bob HOB2 Data outage day 206
0035421999/02/18Bob HOB2 Data Outage
0034721998/12/16Bob Hobart GPS HOB2
The Central Bureau is sponsored by the National Aeronautics and Space Administration (NASA) and managed for NASA by the Jet Propulsion Laboratory of the California Institute of Technology.