Satellite Orbit and Ephemeris Determination using Inter Satellite Links

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Simulations and ResultsInter Satellite LinksRadial Error [cm] 1998 07 01 20:59 - 1998 07 05 14:59Radial Std. Dev. [cm] 1998 07 01 20:59 - 1998 07 05 14:5914.012.0-14.006.0[h]21 42 63 840[h]22 44 66 88Along Track Error [cm] 1998 07 01 20:59 - 1998 07 05 14:59Along Track Std. Dev. [cm] 1998 07 01 20:59 - 1998 07 05 14:598.040.0-8.0020.0[h]21 42 63 840[h]22 44 66 88Cross Track Error [cm] 1998 07 01 20:59 - 1998 07 05 14:59Cross Track Std. Dev. [cm] 1998 07 01 20:59 - 1998 07 05 14:5917.036.0-17.0018.0[h]21 42 63 840[h]22 44 66 88Figure 6-21 Tracking Accuracy of S/C using ISL's, but not visible to Ground Network(Custom Regional Network)It can be seen that the standard deviations are only twice as high as for the S/C tracked by theground network. The "non-visible" satellites are only positioned relative to the "visible"satellites. This is an interesting option even for non geosynchroneous orbits, because despiteof a regional network, the tracking accuracy is "transferred" to the non-visible satellites viathe inter satellite links.Page 116R. Wolf
Inter Satellite LinksSimulations and Results6.2.3 IGSO on three Loops6.2.3.1 Ground TrackingThis scenario provides nearly as good tracking accuracy as the Walker constellation. Thedifferences result from the higher inclination of the orbits.Radial Error [cm] 1998 07 02 05:59 - 1998 07 09 17:5940.0Radial Std. Dev. [cm] 1998 07 02 05:59 - 1998 07 09 17:5920.040.0-20.0020.0-40.0[h]43 86 129 1720[h]42 84 126 168Along Track Error [cm] 1998 07 02 05:59 - 1998 07 09 17:5952.0Along Track Std. Dev. [cm] 1998 07 02 05:59 - 1998 07 09 17:5926.0118.0-26.0059.0-52.0[h]43 86 129 1720[h]42 84 126 168Cross Track Error [cm] 1998 07 02 05:59 - 1998 07 09 17:5938.0Cross Track Std. Dev. [cm] 1998 07 02 05:59 - 1998 07 09 17:5919.0100.0-19.0050.0-38.0[h]43 86 129 1720[h]42 84 126 168Figure 6-22 Tracking Accuracy of IGSO on a Loop with Custom Global NetworkR. Wolf Page 117
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Satellite Orbit and EphemerisDeterm
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Inter Satellite LinksAbstractGlobal
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Inter Satellite LinksTable of Conte
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Inter Satellite Links6.2.2 IGSO WAL
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Inter Satellite LinksList of Figure
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Inter Satellite LinksFigure 6-38 Tr
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Inter Satellite LinksList of Tables
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Inter Satellite LinksJ2Earths Oblat
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Inter Satellite LinksIntroduction1
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Inter Satellite LinksIntroductionGE
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Inter Satellite LinksISL Observatio
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Inter Satellite LinksState Estimati
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State EstimationInter Satellite Lin
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Orbit ComputationInter Satellite Li
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Page 82 and 83: Orbit ComputationInter Satellite Li
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Satellite Orbit and Ephemeris Determination using Inter Satellite Links

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