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White Paper: Angles Only Three-Axis Attitude Determination
The problem of determining the attitude from measurements of arc lengths or equivalently from measurements of dot products of vectors is examined
Read MoreWhite Paper: Efficient Covariance Interpolation Using Blending Of Approximate State Error Transitions
This paper describes a new method for interpolating covariance in which an approximate state error transition is incorporated.
Read MoreWhite Paper: Ephemeris Requirements For Space Situational Awareness
This paper describes the ephemeris requirements for Space Situational Awareness (SSA).
Read MoreWhite Paper: Estimation Of Instantaneous Maneuvers Using A Fixed Interval Smoother
The analysis of these nearly instantaneous maneuvers is the focus of this study.
Read MoreWhite Paper: Integrated Surveillance Model for the Assessment of Surveillance Architectures and Operations
This paper describes the integrated surveillance model for the assessment of surveillance architectures and operations
Read MoreWhite Paper: Parametric Characterization of SGP4 Theory and TLE Positional Accuracy
This paper demonstrates the ability of “Enhanced GP” (EGP) to fit notional “truth orbits” derived from using a full-force modeling
Read MoreWhite Paper: QQ-Plot For Sequential Orbit Determination
This paper describes QQ-Plot For sequential orbit determination.
Read MoreWhite Paper: Sample Orbit Covariance Function And Filter-Smoother Consistency Tests
This paper describes sample orbit covariance function and filter-smoother consistency tests
Read MoreThe Debate over UTC and Leap Seconds
This paper describes the debate over UTC and Leap Seconds
Read MoreWhite Paper: The Many Triad Algorithms
This paper describes the many TRIAD algorithms.
Read MoreWhite Paper: The Orbit Determination Tool Kit (ODTK) - Version 5
This paper describes ODTK V5
Read MoreMaxim-1-Wire-I-Button Dongle Specifications
- Nov 5, 2015
- FAQ
The attached documents list the features and specs for the Maxim-1-Wire I-Button dongles. Use these to ensure that they do not have writable memory.
Read MoreHow Do I Model a Turnstile, Yagi-Uda, or Other Custom Antenna in MATLAB and Export Them for Use in STK?
- Jul 18, 2016
- FAQ
This article and accompanying document provide guidance on modeling and exporting custom antenna radiation patterns in MATLAB for use in STK.
Read MoreHow can I Quickly Set the Number of Significant Figures in a Report for Multiple Data Providers?
- Oct 12, 2015
- FAQ
This article explains how to quickly set the number of significant figures for two or more data providers in a report.
Read MoreExport AzEl Mask Data from STK into KML
- Aug 17, 2016
- FAQ
This article provides the procedure to accomplish this.
Read MoreExport an Attitude File with Yaw, Pitch, and Roll
- Jun 22, 2016
- FAQ
This article is a guide to exporting attitude files with yaw, pitch, and roll.
Read MoreEOIR Slow and Steady Simulation
- Dec 15, 2017
- FAQ
With all these high-performance abilities, there are a few gotchas you have to consider. This article walks you through building an STK scenario...
Read MoreConverting Models to glTF for STK
- Dec 14, 2018
- FAQ
STK version 11.5 and later offers the ability to import high-quality glTF models for visualization. This article documents the setup required to...
Read MoreHow to Use the Swath Tool
- Dec 3, 2015
- FAQ
Here are simple instructions on how to use the Swath Tool.
Read MoreHow do I Make Color Articulations for a Model?
- May 21, 2015
- FAQ
This article explains how to add a color articulation to an MDL 3D model file.
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