Guyed tower:
Can withstand the same force. Further,
It allows for very easy upgrading of existing structures.

Guyed tower:

1. Its cheaper than building a completely free-standing tower, which can withstand the same force. Further, it allows for very easy upgrading of existing structures. But it take more room that other types of towers because the guy wires are spread out from the tower base. 

2. Hot-dip galvanize,Paint coating