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  2. GPS Exchange Format - Wikipedia

    en.wikipedia.org/wiki/GPS_Exchange_Format

    A GPX file's main components include waypoints, routes, and tracks: A waypoint (wptType) consists of the WGS 84 (GPS) coordinates of a point and possibly other descriptive information. A route (rteType) is an ordered list of routepoints (or waypoints representing a series of significant turn or stage points) leading to a destination. [3]

  3. Geographic coordinate conversion - Wikipedia

    en.wikipedia.org/wiki/Geographic_coordinate...

    It can be solved iteratively, [4] [5] for example, starting with a first guess h≈0 then updating N. More elaborate methods are shown below. More elaborate methods are shown below. The procedure is, however, sensitive to small accuracy due to N {\displaystyle N} and h {\displaystyle h} being maybe 10 6 apart.

  4. GeoJSON - Wikipedia

    en.wikipedia.org/wiki/GeoJSON

    GeoJSON [1] is an open standard format designed for representing simple geographical features, along with their non-spatial attributes.It is based on the JSON format.. The features include points (therefore addresses and locations), line strings (therefore streets, highways and boundaries), polygons (countries, provinces, tracts of land), and multi-part collections of these types.

  5. ARINC 424 - Wikipedia

    en.wikipedia.org/wiki/ARINC_424

    ARINC 424 or ARINC 424 Navigation System Data Base Standard is an international standard file format for aircraft navigation data maintained by Airlines Electronic Engineering Committee and published by Aeronautical Radio, Inc.

  6. St. Louis Lambert International Airport - Wikipedia

    en.wikipedia.org/wiki/St._Louis_Lambert...

    St. Louis Lambert International Airport (IATA: STL, ICAO: KSTL, FAA LID: STL) is the primary international airport serving metropolitan St. Louis, Missouri, United States. Commonly referred to as Lambert Field or simply Lambert , it is the largest and busiest airport in the state of Missouri.

  7. Instruction list - Wikipedia

    en.wikipedia.org/wiki/Instruction_list

    Instruction list (IL) is one of the 5 languages supported by the initial versions of IEC 61131-3 standard, and subsequently deprecated in the third edition. [1] It is designed for programmable logic controllers (PLCs). It is a low level language and resembles assembly. All of the languages share IEC61131 Common Elements. The variables and ...

  8. Low-level programming language - Wikipedia

    en.wikipedia.org/wiki/Low-level_programming_language

    Machine code is the form in which code that can be directly executed is stored on a computer. It consists of machine language instructions, stored in memory, that perform operations such as moving values in and out of memory locations, arithmetic and Boolean logic, and testing values and, based on the test, either executing the next instruction in memory or executing an instruction at another ...

  9. PLY (file format) - Wikipedia

    en.wikipedia.org/wiki/PLY_(file_format)

    The extended specification lists a "Core List (required)", "Second List (often used)" and "Third List (suggested extensions)" of property names. [2] The word list indicates that the data is a list of values, the first of which is the number of entries in the list (represented as a 'uchar' in this case). In this example each list entry is ...