The gain in one direction is by losing in other direction.
Tune a now Island Wide The following is list of radio stations based in Sri Lanka.
You should think twice before using the free lane.
But in reality, there are always unbalanced reactance in the antenna system.
These frequencies are used by individuals or institutions use free lanes because they have a license and permission to do so.
Why should you think before you go to these frequencies? The rest of the tower below has a stairwell and an elevator to reach the upper area, which also contains a revolving restaurant, providing diners with a panoramic view of the city.