RINEX
 | This article does not cite any references or sources. (February 2010) |
Receiver Independent Exchange Format (RINEX) is data interchange format for raw satellite navigation system data. This allows the user to post-process the received data to produce a more accurate solution — usually with other data unknown to the original receiver, such as better models of the atmospheric conditions at time of measurement.
The final output of a navigation receiver is usually its position, speed or other related physical quantities. However, the calculation of these quantities are based on a series of measurements from one or more satellite constellations. Although receivers calculate positions in real time, in many cases it is interesting to store intermediate measures for later use. RINEX is the standard format that allows the management and disposal of the measures generated by a receiver, as well as their off-line processing by a multitude of applications, whatever the manufacturer of both the receiver and the computer application.
The RINEX format is designed to evolve over time, adapting to new types of measurements and new satellite navigation systems. The most common version at present is 2.10, which enables storage of measurements from pseudorange, carrier-phase and Doppler systems for GPS or GLONASS, along with data from EGNOS and WAAS satellite based augmentation systems (SBAS), simultaneously. Rinex version 3.0 has recently been submitted and is capable of new measurements from advanced GPS or Galileo systems.
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