The only information i was able to find was about what types of parabolic antennas there are. So far the only thing i can come up with is to adjust the focal point so it is directly opposite the bottom of the dish (Move the focus further up the y axis). This would increase the latus rectum and...
Homework Statement
Parabolic radio telescope. Dish is fixed and across its centre a cable is suspended carrying a beam on which equipment is mounted to pick up radio waves.
Basically it's just a parabola on the cartesian plane.
How would you adjust the parabola ( focus, directrix, vertex etc...