Why do we lose Satellite signals on the Costa Blanca?

Satellites are classed as being geo-stationary. From locations on the surface of the Earth geostationary objects appear motionless in the sky. Satellites travelling at roughly 6800 mph need to orbit the earth once every 23 hours, 55 minutes, and 4 seconds.
But geostationary satellites don't orbit in a perfect circle! They can be thought of as doing so, but the truth is their orbit is slightly elliptical.
So these satellites aren't completely stationary. They move toward and away from the earth, which makes them speed up and slow down.
This makes them appear to oscillate. Also, since the geostationary orbital plane is not coincident with the plane of the earth's orbit around the sun (the ecliptic) or that of the moon's orbit around the earth, the gravitational attraction of the sun and the moon act to gradually pull the geostationary satellites out of their
equatorial orbit, gradually increasing the satellite's orbital inclination.
In addition, the non circular shape of the earth's equator causes these satellites to be slowly drawn to one of two stable equilibrium points along the equator, resulting in libration (drifting back and forth)about these points.
To counteract these effects, each geostationary satellite has an onboard propulsion system that it uses to periodically correct any changes to its orbit, in order to keep its daily north-south and east-west drift within the ground antenna's beamwidth. These periodic corrections are known as stationkeeping.
From within the central part of the footprint you would be hard pushed to notice any difference in signal.
On the edge of the footprint it makes a big difference. The edge of the footprint shrinks causing the already weak signals to get even weaker, that is one of the reasons why we need a large dish to try and compensate, but not always successful!
By not keeping the satellites exactly fixed to the orbit saves money, keeping them exactly the same position would not only be difficult to manage, but requires a lot more fuel.
The satellites also rotate twice daily (morning and evening) to maximise the amount of the sun’s rays hitting the solar panels, again this movement keeps the satellites within their box, but if you are on the edge of the footprint when they rotate you could be off the edge, then back on the edge when they rotate back.

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