GMDSS Maintainer: Element 9

1. A The lower modulation frequencies are boosted before transmitting by 3 db per octave and reduced by the same amount at the receiver.
2. B The higher modulation frequencies are boosted before transmitting by 6 db per octave and reduced by the same amount at the receiver.
3. C The lower modulation frequencies are boosted before transmitting by 6 db per octave and reduced by the same amount at the receiver.
4. D The higher modulation frequencies are boosted before transmitting by 3 db per octave and reduced by the same amount at the receiver.

Tip: press A-D to answer