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2. Geometrical Product Specification and Verification - Wikipedia

   en.wikipedia.org/wiki/Geometrical_Product...

   Geometrical Product Specification and Verification (GPS&V) [1] is a set of ISO standards developed by ISO Technical Committee 213. [2] The aim of those standards is to develop a common language to specify macro geometry (size, form, orientation, location) and micro-geometry (surface texture) of products or parts of products so that the language can be used consistently worldwide.

3. Well-known text representation of coordinate reference systems

   en.wikipedia.org/wiki/Well-known_text...

   Below is an example of a datum shift operation in WKT 2 format. Contrarily to an equivalent description in WKT 1 format, the WKT 2 description specifies the source and target coordinate reference systems, together with the domain of validity and the accuracy (in metres) that we can expect from this operation:

4. International Terrestrial Reference System and Frame

   en.wikipedia.org/wiki/International_Terrestrial...

   Constructed with input data under the form of time series of station positions and Earth Orientation Parameters. [5] This version introduces extra parameters to describe the year-periodic motion of the stations: A (amplitude) and φ (phase) per-axis. This sort of seasonal variation has an amplitude of around 1 cm and is attributed to non-tidal ...

5. GPS Exchange Format - Wikipedia

   en.wikipedia.org/wiki/GPS_Exchange_Format

   GPS Exchange Format (GPX) is an XML schema designed as a common GPS data format for software applications. It can be used to describe waypoints, tracks, and routes. It is an open format [2] and can be used without the need to pay license fees. Location data (and optionally elevation, time, and other information) is stored in tags and can be ...

6. Dilution of precision (navigation) - Wikipedia

   en.wikipedia.org/wiki/Dilution_of_precision...

   HDOP AND GPS HORIZONTAL POSITION ERRORS; Article on DOP and Trimble's program: Determining Local GPS Satellite Geometry Effects On Position Accuracy. Notes & GIF image on manually calculating GDOP: Geographer's Craft; GPS Errors & Estimating Your Receiver's Accuracy: Sam Wormley's GPS Accuracy Web Page

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Time to first fix - Wikipedia

   en.wikipedia.org/wiki/Time_to_first_fix

   The TTFF is commonly broken down into three more specific scenarios, as defined in the GPS equipment guide: Cold or factory The receiver is missing or has inaccurate estimates of its position, velocity, the time, or the visibility of any of the GPS satellites. As such, the receiver must systematically search for all possible satellites.

9. Integration of traffic data with navigation systems - Wikipedia

   en.wikipedia.org/wiki/Integration_of_traffic...

   For example, integrated automobile navigation systems use an on-board navigation system and cellular telephone. The navigation system would use the global positioning system (GPS) to position the automobile with respect to streets in a map database, to determine a route to the destination and to update the location as the automobile moves.