YELL Station Information - Site Page
Station Logyell_20190917.log
DOMES Number
Data Center

YELL 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:

YELL Email Advisories
Email Date Sender Subject
0068502019/09/17Bernard, Curtis ( YELL: External Frequency Change
0066892019/03/01Bernard, Curtis ( YELL: Firmware update
0060462017/01/27Caissy, Mark (NRC New Site Log Submitted For YELL -- Maser Maintenance Continues
0060472017/01/27Caissy, Mark (NRC YELL New Site Log Submitted -- Maser Maintenance Continues
0060402017/01/20Elson, Stuart (NR YELL Frequency Standard Maintenance and Receiver Change Tuesday, January 24, 2017
0056132016/01/25Elson, Stuart (NR YELL: Receiver Tracking Issue 16jan25 ~10:00ut to 16:30ut
0055422015/12/03Elson, Stuart (NR YELL: Firmware Upgrade
0052292015/03/11Elson, Stuart NRC1, STJO, YELL - JAVAD Receiver Type Change
0050062014/07/29Elson, Stuart YELL: Receiver Firmware Upgrade Complete
0050032014/07/28Elson, Stuart YELL: Firmware Upgrade
0049152014/06/02Donahue, Brian YELL: Firmware upgrade 2014-05-30
0049142014/06/02Donahue, Brian YELL: Firmware upgrade 2014-05-31
0047142013/11/18Elson, Stuart YELL: Completed Antenna Cable Change 2013-10-16
0045922013/07/18Donahue, Brian Re: YELL: Antenna and Receiver Upgrade
0045872013/07/12Elson, Stuart YELL: Antenna and Receiver Upgrade
0042912012/11/22Elson, Stuart YELL: Receiver tracking on external maser
0042892012/11/21Elson, Stuart Re: Fwd: YELL: Receiver Switched to Internal Clock
0042882012/11/21Robert Khachikyan Fwd: YELL: Receiver Switched to Internal Clock
0035742011/07/04Donahue, Brian YELL site down today
0034092011/03/14Donahue, Brian YELL data outage
0030702010/08/27Donahue, Brian YELL clock adjustment
0029592010/06/30Huot, Caroline YELL data gap
0029542010/06/29Donahue, Brian YELL clock problem
0029212010/06/07Donahue, Brian YELL data outage
0023012009/03/19Huot, Caroline YELL GPS maser back online
0022972009/03/18Huot, Caroline YELL GPS station's clock still unavailable
0022902009/03/17Huot, Caroline YELL GPS station's clock
0013762007/07/25Peter Taylor Updated equipment for station YELL
0013402007/07/06Delahunt, Stephen YELL - Experiencing Receiver Problems
0013152007/06/26Peter Taylor Updated equipment for station YELL
0005772005/09/11ACS Operations Data Re-submission DOY 253/05sep10 PRDS SCH2 STJO WINN YELL
0005612005/08/16Delahunt, Stephen YELL - Clock Maintenance Completed - Mon. 2005-Aug-15 ~16:00-20:0 0UTC
0004412005/04/12Delahunt, Stephen YELL - Clock Switch - Tues. 2005-Apr-12 ~18:30
0004342005/04/11Delahunt, Stephen YELL - Clock Change Sunday, 2005-Apr-10 (DOY 100)
0059382003/08/22Ken MacLeod Yellowknife (YELL) Clock Maintainence
0058112003/06/12Peter Taylor Updated equipment for station YELL
0055742002/12/17Delahunt, Stephen YELL: Hydrogen Maser Clock Adjustment- Additional Detail
0055732002/12/16Delahunt, Stephen YELL: Hydrogen Maser Clock Adjustment
0048712001/08/30Stephen Delahunt YELL H-Maser Maintenance 01Aug30 ~19:20 UT
0048562001/08/21Stephen Delahunt YELL & ALGO: Data Gaps 01aug21 (DOY233)
0047882001/07/11Caissy, Mark RE: [IGSMAIL-3413]: IGS Site YELL
0047862001/07/11Dann O'Kane IGS Site YELL
0047822001/07/06Dann O'Kane YELL Met Data
0047782001/07/05Stephen Delahunt YELL - Hydrogen Maser Event
0043602000/08/30Taylor, Peter Updated receiver name ( correct IGS code ) for station YELL
0037801999/08/09Mark CHUR & YELL Upgraded to AOA SNR-12 ACT
0035101999/01/29Peter Updated equipment for station YELL
0034691998/12/10Dann CACS Site YELL
0033961998/09/21Peter Updated equipment for station YELL
0031801998/02/18Peter CACS station YELL
0028931997/01/16Stephen Resubmission of ALGO, CHUR, STJO & YELL for 96jan15 (DOY 015)
0028711996/12/19Robert Receiver change at ALGO & YELL
0027871996/08/23Robert Antenna change at YELL
0027331996/06/20Raj YELL,ALBH,CHUR data
0026631996/04/29Stephen YELL Tracker Problem Resolved
0026321996/03/28Stephen YELL Partial Data Submission
0026311996/03/27Stephen YELL Partial Data Submission
0026291996/03/26Robert DOY 085 GAP at YELL due to maintenance
0025521996/01/11Raj clarification on resubmission of ALGO, STJO & YELL
0025511996/01/11Raj data resubmission ALGO, STJO & YELL
0025231995/12/07Stephen ALGO, ALBH, DRAO, STJO & YELL Data Submission
0024751995/11/01Robert Software upgrade at ALGO, YELL & STJO
0023231995/05/16Bhoj YELL tracking problems on May 10
0022981995/04/04Stephen YELL & ALGO Data for 95Apr01 --> 95Apr03
0022961995/04/03Stephen ALGO YELL Data for 95APR01 & 02
0021711994/12/10Stephen YELL / STJO Data Problems
0021691994/12/08Robert Data Resubmission ALGO/STJO/YELL
0021171994/10/14Stephen YELL Antenna Height Change
0020741994/08/04Robert Clock changed at YELL
0020091994/06/15Stephen Data for ALBH ALGO DRAO STJO YELL
0019701994/05/12Robert YELL & ALGO site logs updated
0019271994/03/29Robert Site Info Logs updated for STJO & YELL
0019141994/03/17Stephen YELL Receiver/Antenna Change
0019131994/03/16Stephen ALGO, STJO & YELL Data Resubmissions
0018431994/02/01Stephen Downtime at YELL and ALGO
0017921993/12/17Robert STJO, ALGO and YELL
0015311992/12/23Mark Software Upgrade YELL STJO & Error In RINEX Files
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.