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Possibilities of Higher Order Range Error Correction in Real-time Precise Positioning

Hoque, Mohammed Mainul and Jakowski, Norbert (2006) Possibilities of Higher Order Range Error Correction in Real-time Precise Positioning. IGS Workshop 2006, 2006-05-08 - 2006-05-12, Darmstadt, Germany.

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Official URL: http://www.congrex.nl/06c27/

Abstract

With the increasing number of precise navigation and positioning applications by using Global Navigation Satellite Systems (GNSS) such as GPS, the ionospheric higher order effects and their correction become more and more important. Whereas the first-order error can be completely eliminated by a linear combination of dual frequency measurements, the second- and third-order residual effects remain uncorrected in this approach. To quantify the second-order residual effect, a simple formula has been derived for GNSS users in Germany. Our proposed correction algorithm reduces the second order effects to a residual error of fractions of one millimeter up to 2 mm at a high vertical TEC level of 10<sup>18</sup> electrons/m<sup>2</sup> (100 TECU) depending on user azimuth and elevation angles. It is expected that the correction will enable a more accurate positioning by using carrier phase measurements.

Document Type:Conference or Workshop Item (Poster)
Title:Possibilities of Higher Order Range Error Correction in Real-time Precise Positioning
Authors:
AuthorsInstitution or Email of Authors
Hoque, Mohammed MainulUNSPECIFIED
Jakowski, NorbertUNSPECIFIED
Date:May 2006
Status:Published
Keywords:GNSS positioning, ionospheric refraction, geomagnetic field effect
Event Title:IGS Workshop 2006
Event Location:Darmstadt, Germany
Event Type:international Conference
Event Dates:2006-05-08 - 2006-05-12
Organizer:The International GNSS Service (IGS), ESA
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Ionosphärenerkundung (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Communication and Navigation
Deposited By: Mohammed Mainul Hoque
Deposited On:20 Nov 2006
Last Modified:14 Jan 2010 23:41

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