GMDSS Maintainer: Element 9

1. A Install antennas as high as practical, free from shadowing of structures.
2. B Install antennas next to other Inmarsat antennas, away from structures.
3. C Connect the antenna to transmission line with the highest characteristic impedance.
4. D Install an inline filter with the transmission line to attenuate frequencies above 1 GHz.

Tip: press A-D to answer