which statement concerning locating signals in the GMDSS is FALSE?

 which statement concerning locating signals in the GMDSS is FALSE?
1) Locating signals are transmitted by survival craft VHF transceivers
2) Locating signals are transmitted by SARTs.
3) Locating signals are intensities to facilitate the finding of a distressed vessel or its survivors

Ans__Locating signals are transmitted by SARTs.