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Ionospheric Models for Single Frequency Receivers: Difference between revisions
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Single frequency receivers needs to apply a model to remove the [[Ionospheric Delay|ionospheric refraction]], which can reach up to few tens of meters, depending on the elevation of rays and the ionospheric conditions. | Single frequency receivers needs to apply a model to remove the [[Ionospheric Delay|ionospheric refraction]], which can reach up to few tens of meters, depending on the elevation of rays and the ionospheric conditions. | ||
The models used | The models used in GPS and Galileo are described in [[Klobuchar Ionospheric Model]] and [[NeQuick Ionospheric Model]]. The GPS/Galileo satellites broadcast the parameters needed to run these ionospheric models. | ||
In [[GLONASS]], there is no ionospheric model applied and thus, there is no broadcast of any parameter. However, anyone of the [[GPS]] or [[GALILEO]] ionospheric models could be used for [[GLONASS signal description|GLONASS signals]], by applying a correction factor given by their relative squared frequencies ratio. | |||
[[Category:Fundamentals]] | [[Category:Fundamentals]] | ||
Revision as of 09:57, 15 July 2011
| Fundamentals | |
|---|---|
| Title | Ionospheric Models for Single Frequency Receivers |
| Author(s) | J. Sanz Subirana, JM. Juan Zornoza and M. Hernandez-Pajares, University of Catalunia, Spain. |
| Level | Basic |
| Year of Publication | 2011 |
Single frequency receivers needs to apply a model to remove the ionospheric refraction, which can reach up to few tens of meters, depending on the elevation of rays and the ionospheric conditions.
The models used in GPS and Galileo are described in Klobuchar Ionospheric Model and NeQuick Ionospheric Model. The GPS/Galileo satellites broadcast the parameters needed to run these ionospheric models.
In GLONASS, there is no ionospheric model applied and thus, there is no broadcast of any parameter. However, anyone of the GPS or GALILEO ionospheric models could be used for GLONASS signals, by applying a correction factor given by their relative squared frequencies ratio.