Astrogator FAQs

File extensions used by STK

• Aug 28, 2018
• FAQ

Attached is a list of all the file extensions STK uses.

What is the highest resolution (minimum time step) allowed in the reported date value?

• May 27, 2015
• FAQ

Dates in STK are accurate to somewhere between 10-100 microseconds. The report tool GUI will not allow a step size smaller than 1 millisecond.

How to use Process Monitor to diagnose system issues with STK

• Sep 15, 2015
• FAQ

What happens to atmospheric absorption computations for communications links between platform(s) above 30 km with regards to TIREM?

• May 28, 2015
• FAQ

STK only applies the TIREM model for those parts of the links that fall within 30 km from the surface of the earth.

What graphics card is needed for STK? Why is STK crashing?

• May 21, 2015
• FAQ

Troubleshooting steps if you are having trouble with your graphics cards or STK is having issues running.

STK Install Logistics Training

• Aug 27, 2017
• FAQ

Here is a recorded training covering STK installation, licensing, and common pitfalls.

STK 64-bit Install

• Mar 13, 2018
• FAQ

STK is a 64-bit install only.

Why does the network license server persistently fail to release a license that is no longer in use?

• Sep 4, 2015
• FAQ

Identify a static DAEMON port (TCP/IP) within the server license file

Question: Why doesn’t Bing Maps / Terrain Server / Data Update Utility / Insert Standard Object work?

• May 27, 2016
• FAQ

These internet based options in STK are often blocked until exceptions are put in place by a network administrator. To prevent this, please refer...

Object Visibility Per Window

• Sep 10, 2018
• How To

This article describes how to control an object's visibility on individual display windows.

How to Import DEM terrain in XML Format into STK

• Apr 8, 2022
• How To

How to set up an attitude profile with a restricted roll angle

• Nov 6, 2017
• How To

Generate AzEl of a Satellite-to-Object Line of Sight in the Satellite Body Frame

• Mar 21, 2016
• FAQ

STK defaults to generating Az-El-Range values in the VVLH ECI (Earth Centered Inertial) frame. This article provides the steps use STK's Analysis...

Which Operating Systems Support Different Versions of STK

• Oct 29, 2015
• FAQ

This is a table of STK versions and supported OSs.

Ansys Academic Partner Program (Formerly EAP)

• Feb 14, 2017
• FAQ

This article provides answers to common questions regarding the Ansys Academic Partner Program, formerly the Education Alliance Program (EAP).

How Can I Model Interference on a Terrain-following Helicopter Route?

• Jun 21, 2021
• FAQ

This exercise examines the impacts of intended and unintended interference and shows how you can model these in STK.

How Do I Produce Gap Times for a Chain?

• Aug 15, 2016
• FAQ

You can choose from two different options to produce a report of Gap Times. There are slightly different instructions for earlier versions of STK.

Displaying Plots in STK's Analyzer Capability for Version 12.9.0

• Aug 12, 2024
• How To

Follow the steps in this article to add a script needed to display the plots.

How To Find Your HostID and ServerName

• Feb 19, 2022
• How To

This article provides instructions for finding your HostID (MAC, Disk, & Flex) as well as your ServerName using various tools

Modeling a Spinning Scanning Sensor with Multiple Beams

• Apr 8, 2022
• How To

You can achieve this using STK's Coverage capability, a spinning sensor, and multibeam transmitter.