Natural Resources Canada
www.nrcan.gc.ca
Common menu bar links
Online Geodetic Tools
| NTv2 | Transforms between NAD27 and NAD83(Original) geographic or UTM coordinates. * (NTv2 Details) |
| TRNOBS | Transforms Latitude/Longitude/Ellipsoidal Heights between the NAD83CSRS and ITRF reference systems. (TRNOBS Details) |
| GSRUG | Converts between Geographic and UTM coordinates. (GSRUG Details) |
| INDIR | Perform either a geodetic direct or inverse computation. (INDIR Details) |
| GPS·H | Transforms Canadian NAD83CSRS/ITRF ellipsoidal heights to orthometric heights compatible to CGVD28 (height above mean sea level) using HT2_0 model. (GPS·H Details) |
| CSRS-PPP | An online Global GPS Processing Service - Process RINEX observations from single or dual-frequency receivers operation in static or kinematic mode. (CSRS-PPP Details) |
| GPS Calendar | These calendars will help you convert a typical calendar day to either the Day of Year or GPS Week #. |
Related Information
* Contact your Provincial Survey Agency for other transforms Grid Shift Files that might be available for your area. Example: "NAD83(Original)" to "NAD83CSRS " or "ATS77" to "NAD83CSRS".
http://www.geod.rncan.gc.ca/tools-outils/index_e.php