GMDSS: Element 7R

1. A Relayed satellite message includes the EPIRB ID number which provides a reference for retrieval of vessel information from the shore database.
2. B Doppler shift of EPIRB signal is measured and the EPIRB’s position is calculated.
3. C Information received from EPIRBs is time-tagged and transmitted to any Local User Terminal in the satellite's view.
4. D After the EPIRB’s position is calculated using the Doppler shift COSPAS-SARSAT satellites provide follow-on SAR communications.

Tip: press A-D to answer