AGI: Astrogator FAQs

Offscreen Rendering Issue: Taking Snapshots Larger Than Your Screen Resolution

May 25, 2016
FAQ

This article provides the steps to do it.

Customize Chain Access AER Report

Oct 26, 2015
FAQ

This article explains how to customize an Access AER report to show the elevation angles between a satellite and two or more ground stations on the...

I'm a Student. How Do I Get My STK Educational Licenses?

May 22, 2015
FAQ

Desktop Products and Installs on the AGI Downloads Page

Apr 23, 2024
How To

This excerpt explains how to download STK after you have received your license(s). You should have a Pro, Premium, or Enterprise licensing package....

How Does SNOPT Compare to the Differential Corrector?

Jun 21, 2018
FAQ

This article discusses SNOPT settings and how they differ from the differential corrector.

Downloading and Using Ephemerides for Comets, Asteroids, Small Bodies, and Interplanetary Spacecraft

Jun 17, 2021
FAQ

This FAQ explains where to find ephemerides for comets, asteroids, small bodies, and interplanetary spacecraft and how to load them into STK.

AGI Customer Community – Licensing Portal & Management

Mar 23, 2026
FAQ

FAQ for Ansys Support Coordinators and Licensing Portal Administrators moving from the Ansys Licensing Portal to the AGI Licensing Portal.

EOIR's Bidirectional Reflectance Distribution Function

May 12, 2023
FAQ

This article explains how STK's EOIR capability uses two different BRDFs to measure photon reflections from a surface material.

Exporting Volumetric Data Best Practices

Feb 1, 2016
FAQ

This article provides guidance on exporting Volumetric data.

Creating a Slew Rate for a Target Pointing Sensor

Nov 4, 2016
FAQ

Here are steps for making a sensor slew when switching between two different pointing targets.

How Does the High-Precision Orbit Propagator (HPOP) Work?

Oct 14, 2021
FAQ

This is a high-level overview on how HPOP works.

How does STK Compute C/N for a Laser Link?

May 28, 2015
FAQ

This article provides some details about the equation that STK uses in computing C/N for a laser Link.

Setting Up HLA Data Feeds in STK

Nov 14, 2022
FAQ

This article describes the steps needed to set up HLA (High Level Architecture) data feeds using STK.

Why am I Getting "Error 1311: Source File not found" When Installing MATLAB Connectors?

Apr 19, 2016
FAQ

This article provides insight into handling this error message.

Can the Reference Ellipsoid Used by STK be Changed?

May 28, 2015
FAQ

By default, STK uses a WGS84 Earth model. You can change this by editing the Earth.cb file.

How to Use Power Control to Maintain a Constant Flux Density in STK Communications

Jul 11, 2018
FAQ

You can create a transmitter model plugin script for this purpose.

Waveform and low-level signal representations in STK

Jan 9, 2018
FAQ

Use the power spectral density option on transmitter objects and radar objects for low-level signal representation.

How to Change the Default New Object Method

Jan 19, 2018
FAQ

You can use New Object Preferences to select what happens when each type of STK Object is created.

Level 2 - STK Master Certification, Exercise 2, Terrain File

Dec 14, 2016
FAQ

This FAQ provides the terrain tile needed for the Level 2 - STK Master Certification, Exercise 2, if you are unable to use the STK Terrain Server.