HERS Station Information - Site Page
Station Loghers_20180822.log
DOMES Number
Data Center

HERS 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:

HERS Email Advisories
Email Date Sender Subject
0065192018/08/22Sherwood, Robert HERS: receiver upgrade
0061042017/03/24Sherwood, Robert H-Maser reconnected at HERS
0060912017/03/13Sherwood, Robert H-Maser failure at HERS
0035382011/06/13Sherwood, Robert HERS: Maser frequency correction
0031622010/10/06Sherwood, Robert HERS: Firmware update
0030592010/08/18Sherwood, Robert HERS: system upgrade
0019662008/09/24Robert Sherwood HERS: Z12 back in operation
0019382008/09/09Robert Sherwood HERS: Z12 receiver failure
0018032008/06/19Robert Sherwood HERS: Temporary suspension in data delivery
0049872001/11/28SLR Herstmonceux HERS power outage and external frequency lock problem
0048762001/09/03SLR Herstmonceux HERS data flow restarted
0047462001/06/11SLR Herstmonceux HERS antenna problem
0045722001/02/02SLR Herstmonceux HERS outage
0044562000/11/01SLR Herstmonceux CORRECTION to IGSMAIL 3076 (HERS Clock steering)
0044492000/10/27SLR Herstmonceux CLOCK STEERING change to HERS Ashtech Z-12
0044512000/10/27SLR Herstmonceux CLOCK STEERING change for HERS Ashtech z-12BACK/EDIT
0044532000/10/27kogan at ldeo.col External freq. at HERS
0043652000/09/01SLR Herstmonceux HERS site log updated
0042882000/07/06SLR Herstmonceux Interruption of data flow from HERS
0038201999/08/23Roger HERS changes
0037221999/07/02Roger Updated, IGS compliant site log for HERS
0032941998/06/11Roger HERS resumes GPS data collection
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.