toe rag
Large rockets, computer control, compact fuel.
Government space agencies, private aerospace companies, and international organizations can launch satellites into space. These entities have the technology, expertise, and resources needed for satellite launches. Additionally, some universities and research institutions may also have the capability to launch small satellites.
It takes at least 3 satellites.
Typically, three satellites are needed to determine a 2D position (latitude and longitude), while four satellites are needed to determine a 3D position (latitude, longitude, and altitude) using GPS technology.
A minimum of 4 satellites is needed to obtain a full GPS signal. These satellites are used to triangulate your position accurately on Earth.
If the question is regarding finding the latidude and longitude of one point on the earth, the answer is a minimum of three satellites. The method used is called triangulation. If you wish to know the altitude of the point, a minimum of four satellites are needed.
Information technologies.
cause it happens
space craft of a launching pad
You do not launch a DLL. It's used by something else and will start up when needed. Read up on DLL file.
A launch pad is typically made out of concrete and steel to withstand the heat, pressure, and vibrations produced during a rocket launch. It also includes various systems for fueling, power supply, and communication needed for the launch process.
In theory, 2 satellites in diametrically opposite geosynchronous orbits could cover the planet. In order for the satellites to communicate, a minimum of 3 would be needed, each at a 60 degree angle to the others. At this point, the strength and quality of coverage increases proportionally to the number of satellites.