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Higher order ionospheric effects in precise GNSS positioning

Hoque, Mohammed Mainul and Jakowski, Norbert (2006) Higher order ionospheric effects in precise GNSS positioning. Journal of Geodesy. Springer Berlin Heidelberg. doi: 10.1007/s00190-006-0106-0.

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With the increasing number of precise navigation and positioning applications using Global Navigation Satellite Systems (GNSS) such as theGlobal Positioning System (GPS), higher order ionospheric effects and their correction become more and more important. Whereas the first-order error can be completely eliminated by a linear combination of dualfrequency 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 secondorder effects to a residual error of fractions of 1mm up to 2mm at a vertical total electron content level of 10<sup>18</sup> electrons/m<sup>2</sup> (100 TECU), depending on satellite azimuth and elevation angles. The correction formula can be implemented in real-time applications as it does not require the knowledge of the geomagnetic field or the electron density distribution in the ionosphere along the signal path. It is expected that the correction will enable more accurate positioning using the line-of-sight carrier-phase measurements

Item URL in elib:https://elib.dlr.de/45290/
Document Type:Article
Title:Higher order ionospheric effects in precise GNSS positioning
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Journal or Publication Title:Journal of Geodesy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Publisher:Springer Berlin Heidelberg
Keywords:GNSS positioning, signal refraction, second-order ionospheric correction
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: Hoque, Mohammed Mainul
Deposited On:20 Nov 2006
Last Modified:14 Jan 2010 23:41

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