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| Sub-Commission 4.3 | |
| Scientific Working Groups: | |
| NWP for Positioning |
GRL Publications & Presentations
Publications
Craymer, M.R., Petr Vaníček, and R.O. Castle. Estimation of rod scale errors in geodetic levelling. Journal of Geophysical Research, vol. 100, no. B8, pp. 15,129-15,145.Kleusberg, Alfred. Mathematics of attitude determination with GPS. GPS World, vol. 6, no. 9, September, pp. 72-78.
Kleusberg, Alfred, David Wells, P. Stewart, and J. Hanley. The design of GPS L1/L2 carrier phase algorithms for precision position determination. Contract report for Applied Analytics Corporation, Markham, Ont.
Komjathy, A., and Richard B. Langley. The Halifax GPS precision approach trial: A report on the in-depth data analysis. Annex C of In-Service Trial Helicopter Precision Approach Using Local Differential GPS (LDGPS) Final Report, Transport Canada Aviation.
Komjathy, A., Richard B. Langley, and F. Vejrazka. A comparison of predicted and measured ionospheric range error corrections. American Geophysical Union Spring Meeting, Baltimore, Md., 30 May to 2 June, EOS Transactions of the American Geophysical Union, vol. 76, no. 17, supplement, p. S87.
Langley, Richard B. NASA's satellite communications R&D; program. Sidebar to the article "DGPS with NASA's ACTS". GPS World, vol. 6, no. 6, June, p. 44.
Langley, Richard B. NMEA 0183: A GPS receiver interface standard. GPS World, vol. 6, no. 7, July, pp. 54-57.
Langley, Richard B. A GPS glossary. GPS World, vol. 6, no. 10, October, pp. 61-63.
Langley, Richard B. GPS and the Internet. GPS World, vol. 6, no. 11, November, pp. 59-63.
Martinec, Z., Petr Vaníček, A. Mainville, and M. Veronneau. The effect of lake water on geoidal heights. Manuscripta Geodaetica, no. 20, pp. 193-203.
Mendes, V.B., and Richard B. Langley. Modeling the elevation angle dependence of the tropospheric delay in GPS-Meteorology applications. American Geophysical Union Fall Meeting, San Francisco, Calif., 11-15 December, EOS, Transactions of the American Geophysical Union, vol. 76, no. 46 supplement, p. F145.
Mendes, V.B. and Richard B. Langley. Zenith wet tropospheric delay. Cartografia e Cadastro (publicaçao do Instituto Português de Cartografia e Cadastro), no. 2, June, pp. 41-47.
Mendes, V.B., J.P. Collins, and Richard B. Langley. The effect of tropospheric propagation delay errors in airborne GPS precision positioning. ION GPS-95, Proceedings of 8th International Technical Meeting of the Satellite Division of The Institute of Navigation, Palm Springs, Calif., 12-15 September, The Institute of Navigation, Alexandria, Va., pp. 1681-1689.
Niell, A.E., A. J. Coster, F. S. Solheim, V.B. Mendes, P.C.P. Toor, and Richard B. Langley. Comparison of the measurements of atmospheric water vapor by GPS, VLBI, WVR, and radiosondes during CONT95. American Geophysical Union Fall Meeting, San Francisco, Calif., 11-15 December, EOS, Transactions of the American Geophysical Union, vol. 76, no. 46, supplement, p. F145.
Santos, M.C., Petr Vaníček, and Richard B. Langley. Orbit improvement and generation of ephemerides for the Global Positioning System satellites: A summary. Revista Brasileira de Cartografia, no. 46, pp. 95-99.
Stones, A., and Richard B. Langley. Investigation of GPS technology in applications for space mechanics. Final report for Public Works and Government Services Canada contract, Canadian Space Agency, Saint-Hubert, Quebec.
Toor, P.C.P., A.D. van der Wal, and Richard B. Langley. New Brunswick Department of Transportation field inventory data collection pilot project: Wide area DGPS positioning. Final Report, N.B. Department of Transportation, Fredericton, N.B.
Vaníček, Petr, Alfred Kleusberg, Z. Martinec, W. Sun, P. Ong, M. Nadjafi, P. Vajda, L. Harrie, P. Tomasek, and B. ter Horst. Compilation of a regional geoid. Contract report for the Geodetic Survey Division, Energy, Mines and Resources, Ottawa, Ontario.
Wells, David. A cultural history of GPS. GPS World, vol. 6, no. 12, December, pp. 50-51.
Wenke, Sun, and S. Okubo. Spheroidal displacement due to point dislocations in a spherical earth - 2 dislocation Love numbers. Acta Geophysica Sinica, Vol. 38, No. 1, March, pp. 89-101.
Presentations
Chen, X., Richard B. Langley, and H. Dragert. The Western Canada deformation array: An update on GPS solutions and error analysis. Presented at the International Association of Geodesy Symposium G1, on GPS Trends in Precise Terrestrial, Airborne, and Spaceborne Applications, at the XXI General Assembly of the International Union of Geodesy and Geophysics, Boulder, Colo., 2-14 July.Craymer, M.R., Petr Vaníček, and E.J. Krakiwsky. Application of reliability and robustness analysis to large geodetic networks. Presented at the XXI General Assembly of the International Union of Geodesy and Geophysics, Boulder, Colo., 2-14 July.
Kleusberg, Alfred. Developments in differential GPS. Presented at the Canadian Institute of Geomatics Workshop on GPS, Halifax, N.S., 10-11 October.
Komjathy, A., Richard B. Langley, and F. Vejrazka. Assessment of two methods to provide ionospheric range error corrections for single-frequency GPS users. Presented at the International Association of Geodesy Symposium G1, on GPS Trends in Precise Terrestrial, Airborne, and Spaceborne Applications, at the XXI General Assembly of the International Union of Geodesy and Geophysics, Boulder, Colo., 2-14 July.
Langley, Richard B. The continuing need for geodesy in the curriculum. Presented at the International Union of Surveys and Mapping/International Association of Geodesy Joint Symposium on Education at the XXI General Assembly of the International Union of Geodesy and Geophysics, Boulder, Colo., 2-14 July.
Mendes, V.B., and Richard B. Langley. Modelling the elevation dependence of the tropospheric delay: An accuracy analysis of mapping functions. Presented at the 1995 IERS Workshop, Paris, France, 10-12 May.
Ou, Z., and Petr Vaníček. Automatic tracing of the foot of the continental slope. Presented at the XXI General Assembly of the International Union of Geodesy and Geophysics, Boulder, Colo., 2-14 July.
Santerre, R., I. Forgues, V.B. Mendes, and Richard B. Langley. Comparison of tropospheric mapping functions: Their effects on station coordinates. Presented at the International Association of Geodesy Symposium G8, Section I on Positioning at the XXI General Assembly of the International Union of Geodesy and Geophysics, Boulder, Colo., 2-14 July.
Santos, M.C., Petr Vaníček, and Richard B. Langley. Real-time improvement of GPS satellite orbits: The approach and first results. Presented at the International Association of Geodesy Symposium G8, Section I on Positioning at the XXI General Assembly of the International Union of Geodesy and Geophysics, Boulder, Colo., 2-14 July.
Santos, M.C., Petr Vaníček, and Richard B. Langley. An assessment of the effect of mathematical correlation on GPS network computation: A summary. Presented at the XVII Congresso Brasileiro de Cartografia, Salvador, Bahia, Brazil, 30 July - 4 August.
Santos, M.C., Petr Vaníček, and Richard B. Langley. Orbit improvement and generation of ephemerides for the Global Positioning System satellites: A summary. Presented at the XVII Congresso Brasileiro de Cartografia, Salvador, Bahia, Brazil, 30 July - 4 August.
Sun, W., and Petr Vaníček. Downward continuation of Helmert's gravity disturbance. Presented at the XXI General Assembly of the International Union of Geodesy and Geophysics, Boulder, Colo., 2-14 July.
Sun, W., S. Okubo, and Petr Vaníček. Surface displacements from dislocations. Presented at the XXI General Assembly of the International Union of Geodesy and Geophysics, Boulder, Colo., 2-14 July.
van der Wal, A.D., and Richard B. Langley. Evaluation of residual neutral-atmosphere propagation delay estimation strategies in the analysis of high-precision GPS data. Presented at the International Association of Geodesy Symposium G8, Section I on Positioning at the XXI General Assembly of the International Union of Geodesy and Geophysics, Boulder, Colo., 2-14 July.
Vaníček, Petr, and W. Sun. Downward continuation of Helmert's gravity. Presented at the Annual Meeting of the Canadian Geophysical Union, Banff, Alberta, 22-25 May.
Wells, David E. Global vertical datum? Presented at the Workshop on Tidal Issues in Building A Digital Hydrographic Office, Dartmouth, N.S., 12-13 October.
Wells, David E. Requirements for 3D marine navigation. Presented at the GPS Programs and Activities Forum, Halifax, N.S., 16 October.
Wells, David E. GPS, GIS, and sounding software integration. Keynote address at the Geomatics Atlantic Conference, Halifax, N.S., 17 October.
Wells, David, Alfred Kleusberg, and Petr Vaníček. A seamless vertical-reference surface for acquisition, management, and display (ECDIS) of hydrographic data. Contract report for the Canadian Hydrographic Service, Ottawa, Ontario.