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Category Archives :Maritime knowledge

VHF marine radio etiquette

In most places, boats are required to have a VHF radio on board. For cruising sailors, VHF radio is nearly ubiquitous. Even if you are near shore and have a smartphone, VHF radio is still important equipment. Marine bulletins, weather broadcasts, ship traffic information, DSC emergency calling, and the ability to broadcast information to many people at a once are a few reasons.  ...

Read more  VHF radio,  important equipment,  sailors

RA27 enter-level VHF marine radio

Retevis powerful VHF RA27 marine radios have been designed for both OEM and aftermarket applications. Featuring an updated industrial design and sleek aesthetics. The RA27 is Retevis’s entry-level radio, offering 25W of transmit power and Class D Digital Selective Calling (DSC) compatibility via NMEA 2000.  ...

Read more  VHF marine radio,  MMSI,  DSC,  OEM

How to test a VHF marine radio?

In the past, the Sea Tow automatic radio inspection system could be used in the U.S.A to detect the VHF marine radio, this system can be used on VHF channels 24 to 28. But now, this system is no longer available and was terminated on October 2, 2020. How can we continue to test our VHF marine radio for free? The answer is Rescue 21 coastal stations.  ...

Read more  VHF marine radio,  coast guard,  DSC

Best VHF Marine Radio

No matter what type of sailor you are, no matter what boat you sail, an essential piece of kit is a good VHF marine radio. Not only does a marine radio serve as a vital safety tool in case something should go wrong onboard, but it is also a crucial communications tool more generally. With the development of time, VHF marine radios are not only used for communication purposes. Over the years. Many advances have been made in increasing functionality.  ...

Read more  VHF marine radio,  sailor,  safety tool,  Marine radio

Safe boating essentials

Ship to paddle boats, safety is NO.1. So the boating essentials are important. First, we need to prepare in advance. Start with the safety checklist before departure or on the ship to check that all systems and required safety equipment are in working condition and onboard. Do not forget to plan ahead and check the weather report. Bad weather can make for an unpleasant or dangerous day at sea. Know what to expect before departing and avoid potential weather hazards  ...

Read more  safety,  VHF Marine Radio,  Life Jacket

What is the difference between MMSI and IMO?

The AIS system is using the MMSI, not the IMO number, to identify a vessel. The IMO number is part of the static AIS information provided by the vessel crew and can be transmitted additionally. So it could happen if you are searching a vessel in the vessel database by its IMO number that you find more than one entry because the vessel had different MMSI numbers in the past.  ...

Read more  MMSI,  IMO,  AIS system

Why should i have a VHF marine radio

We often get people asking us why they should purchase a Marine VHF Radio when a cell phone can have a strong signal whilst out on the water. The answer is simple – we acknowledge that cell phones are a great tool to have on a boat…But – VHF radios are a form of communication that will ensure your distress messages are broadcasted and are more likely to get a rapid response of help.  ...

Read more  VHF marine radio,  Key point,  VHF radios

What should we do before going to the sea?

Make radio contact with the nearest volunteer marine rescue group and provide your vessel location; nature of the problem; and a number of people on board. Discharge parachute rocket flare when completely dark – discharge another one within one minute of the first being let off. If other vessels are nearby or you are within five kilometers of land, discharge a red hand-held flare every 30 minutes.  ...

Read more  VHF,  Distrees,  Marine rescue

Is the battery of your VHF marine radio OK?

Over the years, handheld VHFs have become both a good deal more reliable and, in many cases, a good deal more sophisticated than in years past. This has resulted in a wide range of models that vary dramatically in terms of size, performance, and features. Still, one of the first things you need to think about when choosing a particular model remains how long the radio will continue to function on a single charge, something that is largely a function of battery size.   ...

Read more  VHF marine radio,  Battery,  handheld VHF

How much Range can you get with marine radio

Radio travels as waves… similar to light, and like light, it can be reflected, reduced, or even stopped by other objects. A popular answer is 'line of sight’ which essentially means 'if you can see it, you can talk to it'. This is generally a good guide. You must remember that the radio signal comes from the radio aerial (not the radio itself) and therefore mounting the antenna higher allows the radio to 'see' further.  ...

Read more  VHF marine radio,  Marine range,  Distance