GNSS publications


Below is a list of our GNSS (Global Navigation Satelite System) technical papers that have been published in journals and professional magazines or presented at conferences. Select the year of publication above to view more technical papers.

All papers are in PDF format and will open in a new window. Surveying papers not related to GNSS and CORS are available on the Surveying Publications page.

AUSPOS and CORSnet-NSW: A match made in heaven (PDF 2.6 MB)
Janssen V. and McElroy S. (2020)
Coordinates, 16(7), 29-35.

AUSPOS performance in New South Wales (PDF 2.0 MB)
Janssen V. and McElroy S. (2020)
Position, 106, 32-35.

How good is AUSPOS in NSW? (PDF 3.4 MB)
Janssen V. and McElroy S. (2020)
Azimuth, 59(3), 22-28.

Evaluating the performance of AUSPOS solutions in NSW (PDF 1.3 MB)
Janssen V. and McElroy S. (2020)
Proceedings of APAS Webinar Series 2020 (AWS2020), 5 May – 30 June, 3-19.

Ambiguity-resolved real-time Precise Point Positioning as a potential fill-in service for sparse CORS networks (PDF 874.2 KB)
Grinter T., Roberts C. and Janssen V. (2020)
Journal of Surveying Engineering, 146(2), 04020007

Assessment of AUSPOS performance in New South Wales, Australia (PDF 1.0 MB)
Janssen V. and McElroy S. (2020)
Proceedings of IGNSS Symposium 2020 (IGNSS2020), 5-7 February, Sydney, Australia, 17pp.

GDA2020 uncertainty values on the public record in NSW (PDF 1.6 MB)
Janssen V., Gowans N., Hine S. and McElroy S. (2019)
Position, 103, 26-29.

A 4D tomographic ionospheric model to support PPP-RTK (PDF 710.2 KB)
Olivares-Pulido G., Terkildsen M., Arsov K., Teunissen P.J.G., Khodabandeh A. and Janssen V. (2019)
Journal of Geodesy, 93(9), 1673-1683.

Removing the uncertainty surrounding Positional Uncertainty and Local Uncertainty in SCIMS (PDF 354.3 KB)
Janssen V., Gowans N., Hine S. and McElroy S. (2019)
Azimuth, 58(8), 28-32.

AUSGeoid2020 improves AHD height determination in NSW (PDF 3.7 MB)
Janssen V. and Watson T. (2019)
Position, 102, 32-35.

AUSGeoid2020: Improving GNSS-based height determination in NSW (PDF 1.3 MB)
Janssen V. and Watson T. (2019)
Azimuth, 58(6), 9-14.

Which GDA94-GDA2020 transformation grid should NSW surveyors use? (PDF 3.8 MB)
Gowans N. and Janssen V. (2019)
Azimuth, 58(3), 18-24.

Fit for purpose: GDA94-GDA2020 transformation grids fit for NSW (PDF 2.4 MB)
Gowans N. and Janssen V. (2019)
Position, 100, 18-21.

Single-receiver static GNSS surveys using Virtual Reference Stations (PDF 982.8 KB)
Bernstein T. and Sussanna V. (2019)
Proceedings of Association of Public Authority Surveyors Conference (APAS2019), 1-3 April, Pokolbin, Australia, 27-36.

NSW Surveyor General International Fellowship 2018: Investigation into vertical datums defined by gravimetric geoid models (PDF 496.6 KB)
Gowans N. (2019)
Proceedings of Association of Public Authority Surveyors Conference (APAS2019), 1-3 April, Pokolbin, Australia, 13-26.

AUSGeoid2020 combined gravimetric–geometric model: Location-specific uncertainties and baseline-length-dependent error decorrelation (PDF 3.6 MB)
Brown N.J., McCubbine J.C., Featherstone W.E., Gowans N., Woods A. and Baran I. (2018)
Journal of Geodesy, 92(12), 1439-1456 & 1467.

Evaluating the performance of AUSGeoid2020 in NSW (PDF 1.2 MB)
Janssen V. and Watson T. (2018)
Proceedings of Association of Public Authority Surveyors Conference (APAS2018), 9-11 April, Jindabyne, Australia, 3-18.

Which GDA94-GDA2020 transformation grid should NSW surveyors use: Where, when and why? (PDF 1.4 MB)
Gowans N. (2018)
Proceedings of Association of Public Authority Surveyors Conference (APAS2018), 9-11 April, Jindabyne, Australia, 33-48.

Performance evaluation of AUSGeoid2020 in NSW (PDF 1.1 MB)
Janssen V. and Watson T. (2018)
Proceedings of IGNSS Symposium 2018 (IGNSS2018), 7-9 February, Sydney, Australia, 15pp.

Datum modernisation: GDA2020, AUSGeoid2020 and ATRF explained (PDF 470.2 KB)
Janssen V. (2017)
Azimuth, 56(9), 9-13.

GDA2020, AUSGeoid2020 & ATRF explained (PDF 144.9 KB)
Janssen V. (2017)
Position, 90, 32-33.

GDA2020, AUSGeoid2020 and ATRF: An introduction (PDF 3.3 MB)
Janssen V. (2017)
Proceedings of Association of Public Authority Surveyors Conference (APAS2017), Shoal Bay, Australia, 20-22 March 2017, 3-20.

GDA2020 in NSW (PDF 1.3 MB)
Gowans N. (2017)
Proceedings of Association of Public Authority Surveyors Conference (APAS2017), Shoal Bay, Australia, 20-22 March 2017, 21-31.

Survey control and quality assurance for aerial imagery and elevation models across NSW (PDF 2.7 MB)
Powell L. (2017)
Proceedings of Association of Public Authority Surveyors Conference (APAS2017), Shoal Bay, Australia, 20-22 March 2017, 32-47.

Performance of AUSGeoid09 in mountainous regions (PDF 1.1 MB)
Sussanna V., Janssen V. and Gibbings P. (2017)
Proceedings of Association of Public Authority Surveyors Conference (APAS2017), Shoal Bay, Australia, 20-22 March 2017, 68-85.

Investigating an anomaly in the Australian Height Datum at the NSW-Victoria border in Barham/Koondrook (PDF 1.3 MB)
Watkins D., Janssen V., Woods A. and Grinter T. (2017)
Proceedings of Association of Public Authority Surveyors Conference (APAS2017), Shoal Bay, Australia, 20-22 March 2017, 48-67.

Relative performance of AUSGeoid09 in mountainous terrain (PDF 1.4 MB)
Sussanna V., Janssen V. and Gibbings P. (2016)
Journal of Geodetic Science, 6(1), 34-42.

Does Beidou enhance positioning performance within CORSnet-NSW? (PDF 634.6 KB)
Vanderstappen J., Roberts C. and Grinter T. (2016)
Proceedings of FIG Working Week 2016, 2-6 May, Christchurch, New Zealand, 17pp.

CORSnet-NSW: A success story (PDF 2.2 MB)
Janssen V., Haasdyk J. and McElroy S. (2016)
Proceedings of Association of Public Authority Surveyors Conference (APAS2016), 4-6 April, Leura, Australia, 10-28.

CORSnet-NSW reaches 175 CORS milestone (PDF 4.2 MB)
Janssen V. (2016)
Position, 82, 34-37.

Comprehensive ionospheric delay modelling for single-frequency GNSS precise positioning: First steps (PDF 589.5 KB)
Colombo O.L., Hernández-Pajares M., Janssen V. and García-Rigo A. (2016)
Poster presented at IGS Workshop 2016, 8-12 February, Sydney, Australia.

Defining a local reference frame using a plate motion model and deformation model (PDF 357.5 KB)
Stanaway R., Roberts C., Rizos C., Donnelly N., Crook C. and Haasdyk J. (2015)
In: van Dam T. (ed) REFAG 2014, International Association of Geodesy Symposia, 146, 147-154. Springer, Cham.

A two-frame national geospatial reference system accounting for geodynamics (PDF 274.8 KB)
Donnelly N., Crook C., Stanaway R., Roberts C., Rizos C., Haasdyk J. (2015)
In: van Dam T. (ed) REFAG 2014, International Association of Geodesy Symposia, 146, 235-242. Springer, Cham.

CORSnet-NSW: State infrastructure for GNSS applications and applied research (PDF 1.6 MB)
Janssen V., Haasdyk J. and McElroy S. (2015)
Proceedings of IGNSS Symposium 2015 (IGNSS2015), 14-16 July, Gold Coast, Australia, 17pp.

How good is AUSGeoid09 in the Blue Mountains? (PDF 1.8 MB)
Allerton J., Janssen V. and Kearsley A.H.W. (2015)
Position, 77, 28-31.

Preservation and upgrade of trigonometrical stations in NSW (PDF 1.1 MB)
Gowans N., McElroy S. and Janssen V. (2015)
Azimuth, 56(4), 10-17.

Survey infrastructure preservation and upgrade: Trigonometrical stations in NSW (PDF 2.0 MB)
Gowans N., McElroy S. and Janssen V. (2015)
Proceedings of Association of Public Authority Surveyors Conference (APAS2015), 16-18 March, Coffs Harbour, Australia, 67-84.

AUSGeoid09 performance in mountainous terrain: A case study in the Blue Mountains (PDF 1.6 MB)
Allerton J., Janssen V. and Kearsley A.H.W. (2015)
Proceedings of Research at Locate’15, 10-12 March, Brisbane, Australia, 58-68.

Absolute performance of AUSGeoid09 in mountainous regions (PDF 511.2 KB)
Sussanna V., Janssen V. and Gibbings P. (2014)
Journal of Applied Geodesy, 8(3), 195-203.

CORSnet-NSW reaches 150 CORS milestone (PDF 590.8 KB)
Janssen V. (2014)
Azimuth, 53(8), 26-27 & 31.9

Progress towards a new geodetic datum for Australia (PDF 627.9 KB)
Donnelly N., Dawson J., Evans G., Fraser R., Haasdyk J., Higgins M., Morgan L., Rizos C., Sarib R., Strong S. and Turner S. (2014)
Proceedings of XXV FIG International Congress (FIG2014), 16-21 June, Kuala Lumpur, Malaysia, 16pp.

Performance of real-time Precise Point Positioning using MADOCA-LEX augmentation messages (PDF 683.3 KB)
Harima K., Choy S., Li Y., Grinter T., Choudhury M., Rizos C., Wakabayashi Y. and Satoshi K. (2014)
Proceedings of XXV FIG International Congress (FIG2014), 16-21 June, Kuala Lumpur, Malaysia, 18pp.

Dynamic datum transformations in Australia and New Zealand (PDF 649.1 KB)
Donnelly N., Crook C., Haasdyk J., Harrison C., Rizos C., Roberts C. and Stanaway R. (2014)
Proceedings of Research at Locate’14, 7-9 April, Canberra, Australia, 48-59.

Options for modernising the Geocentric Datum of Australia (PDF 1.8 MB)
Haasdyk J., Donnelly N., Harrison C., Rizos C., Roberts C. and Stanaway R. (2014)
Proceedings of Research at Locate’14, 7-9 April, Canberra, Australia, 72-85.

Progress towards a new geodetic datum for Australia (PDF 1.3 MB)
Haasdyk J., Davies L. and Watson T. (2014)
Proceedings of Association of Public Authority Surveyors Conference (APAS2014), 31 March – 2 April, Pokolbin, Australia, 28-41.

Virtual RINEX: Science or fiction? (PDF 576.0 KB)
Janssen V. and McElroy S. (2013)
Position, 67, 38-41.

Investigation of Virtual RINEX data quality (PDF 915.7 KB)
Janssen V. (2013)
Proceedings of IGNSS Symposium 2013 (IGNSS2013), 16-18 July, Gold Coast, Australia, 11pp.

Monitoring station movement using a state-wide simultaneous ‘adjustment of everything’ − Implications for a next-generation Australian datum (PDF 1.6 MB)
Haasdyk J. and Roberts C. (2013)
Proceedings of IGNSS Symposium 2013 (IGNSS2013), 16-18 July, Gold Coast, Australia, 15pp.

Real time Precise Point Positioning: Are we there yet? (PDF 696.9 KB)
Grinter T. and Roberts C. (2013)
Proceedings of IGNSS Symposium 2013 (IGNSS2013), 16-18 July, Gold Coast, Australia, 16pp.

GNSS at NSW tide gauges… of CORS! (PDF 1.5 MB)
Janssen V., Commins R. and McElroy S. (2013)
Position, 65, 38-42.

Using GNSS CORS to augment long-term tide gauge observations in NSW (PDF 997.0 KB)
Janssen V., Commins R., Watson P. and McElroy S. (2013)
Proceedings of Surveying and Spatial Sciences Conference (SSSC2013), 15-19 April, Canberra, Australia, 12pp.

Tying it all together: CORSnet-NSW local tie surveys (PDF 896.4 KB)
Gowans N. and Grinter T. (2013)
Proceedings of Association of Public Authority Surveyors Conference (APAS2013), 12-14 March, Canberra, Australia, 104-119.

Data-mining in NSW: Towards a new and improved Australian datum (PDF 929.8 KB)
Haasdyk J. and Watson T. (2013)
Proceedings of Association of Public Authority Surveyors Conference (APAS2013), 12-14 March, Canberra, Australia, 85-102.

Improving GNSS CORS design: The CORSnet-NSW Adjustable Antenna Mount (CAAM) (PDF 1.2 MB)
Commins R. and Janssen V. (2012)
Journal of Global Positioning Systems, 11(2), 109-115.

Augmenting the utility of NSW longest tide gauge records with continuous GNSS technology (PDF 1.2 MB)
Watson P., Commins R., Janssen V., McElroy S., Batman G. and Connors D. (2012)
Proceedings of 21st NSW Coastal Conference, 6-9 November, Kiama, Australia, 14pp.

PPP versus DGNSS (PDF 517.2 KB)
Rizos C., Janssen V., Roberts C. and Grinter T. (2012)
Geomatics World, 20(6), 18-20.

Return of a GNSS villain: The ionosphere strikes again (PDF 1.6 MB)
Janssen V. and McElroy S. (2012)
Position, 60, 40-45.

CORSnet-NSW Adjustable Antenna Mount (CAAM) for GNSS CORS (PDF 428.6 KB)
Commins R. and Janssen V. (2012)
Poster presented at IGS Workshop 2012, 23-27 July, Olsztyn, Poland.

Site transformations: Simple is better (PDF 1.5 MB)
Haasdyk J. and Janssen V. (2012)
Position, 59, 28-32.

CORS: The possibilities are endless (PDF 231.9 KB)
Gowans N. and Roberts C. (2012)
Azimuth, 51(3), 11-12.

Site transformations: A block shift in thinking. (PDF 1.4 MB)
Haasdyk J. and Janssen V. (2012)
Proceedings of Association of Public Authority Surveyors Conference (APAS2012), 19-21 March, Wollongong, Australia, 29-47.

Post-processed Precise Point Positioning: A viable alternative? (PDF 1001.2 KB)
Grinter T. and Janssen V. (2012)
Proceedings of Association of Public Authority Surveyors Conference (APAS2012), 19-21 March, Wollongong, Australia, 83-92.

Control surveys: Why things are the way they are and not the way you think they should be! (PDF 169.0 KB)
Dickson G. (2012)
Proceedings of Association of Public Authority Surveyors Conference (APAS2012), 19-21 March, Wollongong, Australia, 12-28.

Likely impact of the approaching solar maximum on GNSS surveys: Be alert but not alarmed (PDF 1.6 MB)
Janssen V. (2012)
Proceedings of Association of Public Authority Surveyors Conference (APAS2012), 19-21 March, Wollongong, Australia, 66-82.

Precise Point Positioning: Is the era of differential GNSS positioning drawing to an end? (PDF 121.9 KB)
Rizos C., Janssen V., Roberts C. and Grinter T. (2012)
Proceedings of FIG Working Week 2012, 6-10 May, Rome, Italy, 17pp.

Real-time GNSS field procedures: Maximising gain and minimising pain (PDF 1.8 MB)
Janssen V., Haasdyk J. and McElroy S. (2012)
Position, 57, 24-27.

Choosing the best path: Global to national coordinate transformations (PDF 1.9 MB)
Haasdyk J. and Janssen V. (2012)
Coordinates, 8(2), 10-16.

Network RTK: Same look and feel... only better (PDF 4.0 MB)
Janssen V., Haasdyk J., McElroy S. (2011)
Position, 56, 20-24.

CORSnet-NSW: Improving positioning infrastructure for New South Wales (PDF 1.0 MB)
Janssen V., Haasdyk J., McElroy S. and Kinlyside D. (2011)
Proceedings of SSSI Biennial Conference (SSSC2011), 21-25 November, Wellington, New Zealand, 395-409.

Precise Point Positioning: Where are we now? (PDF 266.3 KB)
Grinter T. and Roberts C. (2011)
Proceedings of IGNSS Symposium 2011 (IGNSS2011), 15-17 November, Sydney, Australia, 15pp.

Assessment of Network RTK performance using CORSnet-NSW (PDF 1.0 MB)
Janssen V. and Haasdyk J. (2011)
Proceedings of IGNSS Symposium 2011 (IGNSS2011), 15-17 November, Sydney, Australia, 18pp.

The many paths to a common ground: A comparison of transformations between GDA94 and ITRF (PDF 492.4 KB)
Haasdyk J. and Janssen V. (2011)
Proceedings of IGNSS Symposium 2011 (IGNSS2011), 15-17 November, Sydney, Australia, 16pp.

CORSnet-NSW: Deploying a CORS network in a corporate IT environment (PDF 332.8 KB)
Yan T.S. and Jap C.K. (2011)
Proceedings of IGNSS Symposium 2011 (IGNSS2011), 15-17 November, Sydney, Australia, 8pp.

Technical challenges faced by CORS network operators: Experiences from New South Wales, Australia (PDF 560.6 KB)
Janssen V., Haasdyk J., McElroy S. and Kinlyside D. (2011)
International Journal of Geoinformatics, 7(3), 23-33.

CORSnet-NSW and airborne LiDAR: A match made in heaven (PDF 1.3 MB)
Jones G., Colombo O.L., Janssen V., Brunker S. and Rizos C. (2011)
Poster presented at International Union of Geodesy and Geophysics Conference (IUGG2011), 28 June – 7 July, Melbourne, Australia.

AUSGeoid09: Improved GNSS-based height transfer in New South Wales, Australia (PDF 123.5 KB)
Janssen V. and Watson T. (2011)
Presented at International Union of Geodesy and Geophysics Conference (IUGG2011), 28 June - 7 July, Melbourne, Australia.

AUSGeoid09 radically improves height determination (PDF 751.9 KB)
Janssen V., Watson T. and McElroy S. (2011)
Position, 53, 36-38.

CORSnet-NSW Network RTK: Same look and feel... only better (PDF 1.9 MB)
Janssen V., Haasdyk J., McElroy S. (2011)
Proceedings of Association of Public Authority Surveyors Conference (APAS2011), 6-7 April, Bathurst, Australia, 39-54.

Performance of AUSGeoid09 in NSW (PDF 926.3 KB)
Janssen V. and Watson T. (2011)
Proceedings of Association of Public Authority Surveyors Conference (APAS2011), 6-7 April, Bathurst, Australia, 27-36.

CORS networks: Absolute antenna models are absolutely vital (PDF 719.8 KB)
Janssen V. and Haasdyk J. (2011)
Position, 51, 36-40.

Can RTK GPS be used to improve cadastral infrastructure? (PDF 421.9 KB)
Janssen V., Grinter T. and Roberts C. (2011)
Engineering Journal, 15(1), 43-54.

Coordinates and CORSnet-NSW: Dealing with distortions in GDA94 (PDF 523.9 KB)
Janssen V. and McElroy S. (2010)
Position, 50, 24-27.

Network RTK adding reliability to precision agriculture (PDF 212.4 KB)
Janssen V. (2010)
Australian Farm Journal, 20(8), 10-11.

Sparse network: Wide-area, sub-decimeter positioning for airborne LiDAR surveys (PDF 1.8 MB)
Colombo O.L., Brunker S., Jones G., Janssen V. and Rizos C. (2010)
GPS World, 21(10), 44-50.

Testing sub-decimeter, kinematic wide-area positioning for airborne LiDAR surveys using the CORSnet-NSW network (PDF 656.3 KB)
Colombo O.L., Brunker S., Jones G., Janssen V. and Rizos C. (2010)
Proceedings of ION GNSS 2010, 21-24 September, Portland, Oregon, 1004-1018.

Automated monitoring of CORSnet-NSW using the Bernese software (PDF 1.3 MB)
Haasdyk J., Roberts C. and Janssen V. (2010)
Proceedings of FIG Congress 2010, 11-16 April, Sydney, Australia, 19pp.

Wide-area, sub-decimetre positioning for airborne LiDAR surveys using CORSnet-NSW (PDF 2.3 MB)
Colombo O.L., Brunker S., Jones G., Janssen V. and Rizos C. (2010)
Proceedings of FIG Congress 2010, 11-16 April, Sydney, Australia, 20pp.

Improving cadastral infrastructure with RTK GPS in Australia (PDF 410.2 KB)
Janssen V., Grinter T., Roberts C. and Troth M. (2010)
Proceedings of FIG Congress 2010, 11-16 April, Sydney, Australia, 15pp.

CORSnet-NSW: Towards state-wide CORS infrastructure for New South Wales, Australia (PDF 999.5 KB)
Janssen V., White A. and Yan T. (2010)
Proceedings of FIG Congress 2010, 11-16 April, Sydney, Australia, 14pp.

Improved AHD71 height determination from GNSS using AUSGeoid09 in New South Wales, Australia (PDF 311.7 KB)
Janssen V. and Watson T. (2010)
Journal of Global Positioning Systems, 9(2), 112-121.

CORSnet-NSW: Delivering a state-of-the-art CORS network for New South Wales (PDF 345.1 KB)
White A., Yan T., Janssen V. and Yates K. (2009)
Proceedings of IGNSS Symposium 2009 (IGNSS2009), 1-3 December, Surfers Paradise, Australia, 7pp.

Precision rules! How to establish an AusCORS site (PDF 670.9 KB)
Janssen V. (2009)
Position, 44, 64-66.

A comparison of the VRS and MAC principles for Network RTK (PDF 597.5 KB)
Janssen V. (2009)
Proceedings of IGNSS Symposium 2009 (IGNSS2009), 1-3 December, Surfers Paradise, Australia, 13pp.

Understanding coordinate reference systems, datums and transformations (PDF 300.4 KB)
Janssen V. (2009)
International Journal of Geoinformatics, 5(4), 41-53.

Where is positional uncertainty? (PDF 315.1 KB)
Roberts C., Ozdemir S. and McElroy S. (2009)
Proceedings of SSSI Biennial International Conference (SSC2009), 28 Sep - 2 Oct, Adelaide, Australia, 559-575.

Understanding coordinate systems, datums and transformations in Australia (PDF 438.8 KB)
Janssen V. (2009)
Proceedings of SSSI Biennial International Conference (SSC2009), 28 Sep - 2 Oct, Adelaide, Australia, 697-715.

New ways to Network RTK: How do VRS and MAC measure up? (PDF 360.1 KB)
Janssen V. (2009)
Position, 41, 55-57.