AGI: Astrogator FAQs

Using Analysis Workbench to Report the Subsolar or Sub-observer Points

Mar 17, 2016
FAQ

Calculate and report on subsolar or sub-observer points for any central body.

How to Attenuate RF Signals by Distance Using a Plugin Script

Aug 7, 2023
How To

This article will show you how to add distance-dependent losses to signals in your scenario given a known scale factor. The example used was...

How to Import SRTM Terrain from NASA's Earthdata into STK

Sep 2, 2022
How To

This article explains how to use QGIS to process terrain data from the SRTM missions for analysis in STK.

How Do You Use the System Response Time Figure of Merit?

Oct 30, 2015
FAQ

This article provides the steps using an example scenario.

Getting Started with TETK

Dec 10, 2020
FAQ

This document contains all of the resources needed to help you get started with TETK!

How do You Compute Received power for a Volumetric Analysis?

Aug 17, 2016
FAQ

This example describes defining an airspace around a ship emitter and computing received power at each grid point in the airspace by using Spatial...

Calculating and Displaying TDOA in STK

Dec 7, 2016
FAQ

This article describes how to calculate and display TDOA in STK with Analysis Workbench and Coverage.

Percent Coverage by Region with Multiple Area Targets

Jul 9, 2015
FAQ

This article is based on defining a Coverage Definition object with two or more custom area targets as the regions, with the area targets...

How to Do M-on-N Coverage with Analyzer

Jul 11, 2018
How To

This article shows you how you can use the Analyzer DOE with Coverage Definition lat/lon points as the input variables to study the effect on...

How Do I Create a Simple Model For Use in the Solar Panel Tool?

Mar 12, 2019
FAQ

A commented example showing how to create a simple satellite model with solar panels to use in the Solar Panel Tool.

Converting 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...

Ansys Licensing Troubleshooting

Oct 10, 2022
FAQ

This article provides steps for troubleshooting when the Ansys STK application cannot find a license.

Maintain a Repeat-ground-track Orbit Using Atmospheric Drag

Aug 14, 2025
How To

You can maintain a repeat-ground-track orbit by setting up a target sequence to solve for the impulsive maneuver at the maximum ground track error...

Updating STK Databases

Apr 12, 2016
FAQ

This article presents three different methods, in detail, to update STK databases in both online and offline environments.

DME Data Distribution Site Restoration Update (Formerly https://ftp.agi.com)

Dec 2, 2025
FAQ

Providing current functionality update on the DME data distribution site (formerly https://ftp.agi.com) and

Astrogator Engine Plugin MATLAB Script

Jun 8, 2016
FAQ

This article describes how to use a MATLAB script to define a custom engine model in Astrogator.

What is the FLEXlm BORROW Feature, and How is it Used?

Sep 24, 2015
FAQ

License borrowing enables you to take a license for use outside of the company facility, such as an engineer would do to take a license home on a...

Ansys License Manager and Enterprise Licensing Package

Nov 15, 2022
FAQ

You can use these tools to serve Ansys Licenses.

Modeling Uncertainty in STK

Jun 2, 2016
FAQ

This article describes how to account for uncertainty in systems within STK.

Satellite Constellation with Frequency Hopping Transmitters and Interference Impact

Dec 10, 2019
FAQ

This article shows the impact each set of radios has on the others' frequency transmissions.