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Network station details

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General Information

Station Name Gwabegar Image of CORS Antenna
Partner(s) Narrabri Shire Council
Status (not a live update) Operational
CORSnet-NSW Release Date November 2013
Station Code GWAB
SCIMS Number TS 12220
Antenna TRM57971.00     NONE
Antenna Height (ARP) 0.000 m
IGS Site Log Geoscience Australia


GNSS Tracking Settings


Note: ON = Available and Enabled, OFF = Available but Not Enabled, N/A = Not Available


CORSnet-NSW Coordinates


Datum Coordinate Source
X GDA2020 -4708360.062 Reg13
(PDF 424 kb)
Y GDA2020 2832287.975 Reg13
(PDF 424 kb)
Z GDA2020 -3228463.724 Reg13
(PDF 424 kb)
Latitude GDA2020 -30 36 20.30626 Reg13
(PDF 424 kb)
Longitude GDA2020 148 58 16.39304 Reg13
(PDF 424 kb)
Easting MGA2020
Zone 55
688972.689 Reg13
(PDF 424 kb)
Northing MGA2020
Zone 55
6612446.213 Reg13
(PDF 424 kb)
Derived AHD71 Height (2020) Approximate AHD71 215.279 h-N (DFSI Spatial Services Calculated)
N Value (2020) AUSGeoid2020 27.656 Geoscience Australia
Ellipsoidal Height GDA2020 242.935 Reg13
(PDF 424 kb)



Datum Coordinate Source
X GDA94 -4708359.206 Conformal transformation from GDA2020
Y GDA94 2832288.147
Conformal transformation from GDA2020
Z GDA94 -3228465.006
Conformal transformation from GDA2020
Latitude GDA94 -30 36 20.35272
Conformal transformation from GDA2020
Longitude GDA94 148 58 16.37096
Conformal transformation from GDA2020
Easting MGA94
Zone 55
688972.075 Conformal transformation from GDA2020
Northing MGA94
Zone 55
6612444.793 Conformal transformation from GDA2020
Derived AHD71 Height (2009) Approximate AHD71 215.273 h-N (DFSI Spatial Services Calculated)
N value (2009) AUSGeoid09 27.760 Geoscience Australia
Ellipsoidal Height GDA94 243.033 Conformal transformation from GDA2020

Note: These horizontal coordinates are equivalent to GDA94(2010) i.e. no distortions. They are different to those found in SCIMS Online, which are GDA94(1997) coordinates i.e. with distortions. The heights are different to those found in SCIMS Online, which are local AHD71 heights. SCIMS Online values for CORS are determined by local tie surveys which connect to the local survey control network.


GNSS Monitoring

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Note: The above graph indicates the long term stability of a CORSnet-NSW station and does not represent actual daily movement. The results are calculated daily and trends are monitored by CORSnet-NSW staff. The diagrams shown are currently updated monthly. Daily differences in CORS position at the millimetre-level are within the limits (noise level) of current DFSI Spatial Services processing techniques.


Reference Mark Monitoring

Monitoring survey not available for this CORS.

Note: The above tables quantify the movement of the CORS pillar with respect to local reference marks. Surveys are carried out at installation and then after 6 months, 18 months and every two years thereafter. The techniques used, as specified by Geoscience Australia, achieve sub-millimetre precision and can detect minute movements in position or height.

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