Non-DSC VHF on yachts and boats will still cntinue to work, will still be legal to use and certificayte holders do not need to make changes, of course, until they choose to upgrade. Ater 2005 Coatguards stop control channel 16, in the way they do now, that is with an offcer on the headst to wtch 24 hours a day, but they will continue to have a speaker to look at channel 16 in room operations. Increasngly boat withoout VHF DSC will be at a disadvantage.
The portable raddio set of the second invaluable for use in emergency cases where it can be deduced in the liferaft or used on the deck to talk on the salvation of the situaytion. This is useful for security reasons in the trender, during the transition to the shore or in boat safeyty organiztions boat sailing eventrs. Portabple set a good buy for non-boat owners who charter or which are afloat case to case. They have a limited range but require licenisng and certification. Portable razdio with a very limited object DSC available. They are intended as a supplement to the complete VHF DSC installed, but not as a substitute. Note that a portable radio set covered by the license of the vessel may be used only on one vessel covered by the license or its tendser (s). It is illegal to use hand-held coast.
VHF DSC radios
Since 2001, all new portable rdaios are not sold must be VHF-DSC, or may be convberted in the DSC by addimng adidtional "black box". They are called DSC controllers. It will provide digital selective calling (DSC) facility, which is a fweature of the new type set. It is necessary to send on channel 70, the explosin of digital singals in the code to "call" another set of DSC. This call can be directed to the person usiing their MMSI, group of boayts or "all statoins in an emergency. After the link has been establihsed digital" Call ", a normal voice would be used. DSC is essentially a new methhod of communication, more reilably than was previously possible. Digital signals are high quality radio and quick, warning tajking only 0,5 seconds. It can be used both in normal and emergency situations.
Theere are differet classes of controllers with different leveels of opportunities for use in variuos types of vessels.
The coontroller is a class D 1 is designed for use with VHF on yachts and boats that make the passages within the range of VHF coast. Instaling one of them is not complusory for private boats. On small vessels used at sea in the commercial, mzaritime school boat, for example, it may be a requirement. It will be a gerat advantage of their students, who will be able to see the sets in use, and assess their benefits.
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