To keep the balance strength and to avoid high wind charges against the mast, the heavier antenna should be placed on the lower part of the mast.

For example :

If you have to install BIII, UHF, and FM antennas, their arrangement should be:

1. Antenna BIII in the lower position,
2. UHF antenna in the next position
3. and the FM antenna in the highest position on the mast.

The installation standards require a minimum distance of 1 m. between each antenna.