Introduction. This tutorial was created by Shaun Gorman during 2002-2003 to instruct people how to use Satellite Tool Kit (STK). A free version of STK is available from the AGI website (www.stk.com). . Notice. In order to use this tutorial properly you should already know how to long on to Voyager. If you don't you should go back and review that tutorial first.This tutorial will take you step by step in the creation of a satellite and ground station for use in calculating access time..