GMDSS Final Questions And Correct Solutions
MMSI Characteristics - Correct Answer 9 digit code, maritime mobile service identity
sea area A1 - Correct Answer in range of a coast station with continuous dsc vhf alerting
A2 - Correct Answer in range of a coast station with continuous MF DSC alerting
A3 - Correct Answer in range of a coast station with continuous HF DSC or Sat - c alerting
A4 - Correct Answer Polar regions - not A1, 2, or 3
VHF User Procedures - Correct Answer Input channels not frequencies
Squelch - Correct Answer Threshold for background noise (rf gain filter); too high and you cant
hear weak transmissions.
adjust squelch - Correct Answer to adjust VHF, turn to a tiny bit above where background static
is audible. for MF/HF, turn squelch on or off.
NAVTEX Frequencies - Correct Answer 518 (international) and 490 (local) Khz
NAVTEX TX/RX Range - Correct Answer up to 400 nm (200nm - 400nm)
NAVTEX Transmission Schedules - Correct Answer Regularly Scheduled NAVTEX Transmissions
based on Pub 117
MMSI Characteristics - Correct Answer 9 digit code, maritime mobile service identity
sea area A1 - Correct Answer in range of a coast station with continuous dsc vhf alerting
A2 - Correct Answer in range of a coast station with continuous MF DSC alerting
A3 - Correct Answer in range of a coast station with continuous HF DSC or Sat - c alerting
A4 - Correct Answer Polar regions - not A1, 2, or 3
VHF User Procedures - Correct Answer Input channels not frequencies
Squelch - Correct Answer Threshold for background noise (rf gain filter); too high and you cant
hear weak transmissions.
adjust squelch - Correct Answer to adjust VHF, turn to a tiny bit above where background static
is audible. for MF/HF, turn squelch on or off.
NAVTEX Frequencies - Correct Answer 518 (international) and 490 (local) Khz
NAVTEX TX/RX Range - Correct Answer up to 400 nm (200nm - 400nm)
NAVTEX Transmission Schedules - Correct Answer Regularly Scheduled NAVTEX Transmissions
based on Pub 117
