the football position ks is Kicker
I'm assuming you are talking about GPS when you say "satellite." RF tracking can be directional. It takes three RF receiver stations to triangulate the position of an RF transmitter and is usually less accurate than GPS. RF is also more limited by range, so the RF tracking stations are usually required to be mobile depending on the strength of the transmission signal.
This is the Middle Linebacker position
G can stand for goalkeeper in football.
A football position
linebacker
quarterback
The fullback position is typically utilized in an offensive role in football.
The position responsible for returning kickoffs on a football team is typically the kick returner.
Radio frequency energy causes a heating affect. You can get RF burns if you touch or get really close to a wire carrying RF energy. With powers below 100 watts and normal wire insulation, RF burns are extremely unlikely. Since RF currents flow in the surface of a conductor (your skin), an RF burn is not the same as a burn from a 100 Watt soldering iron (for example). If you position your antenna feeders and antennas out of reach of prying hands, you will be safe.
Defensive Lineback
no