Which of the following frequencies have been...

Question 1 / 20cUWUmyKbUwsTWnls3yB4

Question 1 of 20cUWUmyKbUwsTWnls3yB4

Which of the following frequencies have been designated for “On-scene” communications in the Global Maritime Distress and Safety System?

Back

Question 1 of 20

cUWUmyKbUwsTWnls3yB4

Which of the following frequencies have been designated for “On-scene” communications in the Global Maritime Distress and Safety System?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

• GMDSS distress and safety communications structure (sea areas A1–A4) • Purpose of on-scene communications versus initial distress alerting • Correct frequencies/modes associated with DSC, NBDP (SITOR), and VHF Ch-16

💭 Think About

• Think about which channels/frequencies are normally used to coordinate SAR (search and rescue) once the initial distress alert has already been sent. • Identify which options mix a calling/distress channel with a data/telex mode and ask whether that combination is actually used for on‑scene voice coordination. • Consider whether very high HF frequencies or special working channels (like VHF 22) are typically used for general on‑scene distress coordination in GMDSS.

✅ Before You Answer

• Verify which VHF channel is internationally designated for distress, safety, and calling. • Check which specific NBDP (SITOR) frequency around 2 MHz is identified in GMDSS for distress and safety communications, and compare the exact kHz values given. • Confirm whether HF 21.820 MHz is a standard GMDSS distress/on‑scene frequency or mainly a working frequency band.

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed

Question 1 of 20

Which of the following frequencies have been designated for “On-scene” communications in the Global Maritime Distress and Safety System?

VHF Ch-22

VHF Ch-16 and SITOR (NBDP) on 2174 . 5 kHz.

HF radiotelephone on 21.820 MHz.

SITOR (NBDP) on 2177.0 kHz and VHF Ch-16.

Loading interactive features...

Question 1 / 20cUWUmyKbUwsTWnls3yB4

Question 1 of 20cUWUmyKbUwsTWnls3yB4

Which of the following frequencies have been designated for “On-scene” communications in the Global Maritime Distress and Safety System?

Back

Question 1 of 20

cUWUmyKbUwsTWnls3yB4

Which of the following frequencies have been designated for “On-scene” communications in the Global Maritime Distress and Safety System?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed