Maritime Questions › Src Vhf

How does HM Coastguard broadcast maritime weather forecasts around the UK coast?

A. Only via NAVTEX — no VHF weather broadcasts are made by UK Coastguard
B. UK Coastguard does not broadcast weather — use the Met Office app instead
C. Via NAVTEX (518 kHz, automatic), Shipping Forecast on BBC Radio 4 LW (198 kHz), and VHF Maritime Safety Information (MSI) broadcasts on Ch 16 with traffic announcements directing vessels to Ch 62/64/65/66/67 depending on the area
D. Weather is broadcast on Ch 16 continuously throughout the day
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What is the primary purpose of DSC (Digital Selective Calling) on a VHF radio?
A. To operate the radar system remotely
B. To broadcast weather forecasts to other vessels
C. To make telephone calls from the vessel to shore
D. To send a digitally coded distress alert containing the vessel's MMSI and position automatically to all DSC-equipped stations and the Coastguard
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What is an MMSI number and why must it be programmed into a DSC radio before it is used?
A. Maritime Mobile Service Identity — a unique 9-digit number identifying the vessel; without it a DSC distress alert cannot identify the vessel to rescuers
B. A GPS waypoint identifier used in coastal navigation
C. A VHF channel number allocated by Ofcom for distress use only
D. A vessel survey certificate number required by the MCA
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