Remerciez-le!

Remerciez @Admin pour avoir partagé cet document gratuitement, de la manière la plus simple, en partageant sur les réseaux sociaux.

Vhfchannel guide Channel Number A A A A A A A A A A A A Ship Transmit MHz VHF Channel Guide Ship Receive MHz Use Port Operations and Commercial VTS Available only in New Orleans Lower Mississippi area Port Operations or VTS in the Houston New Orleans and

Channel Number A A A A A A A A A A A A Ship Transmit MHz VHF Channel Guide Ship Receive MHz Use Port Operations and Commercial VTS Available only in New Orleans Lower Mississippi area Port Operations or VTS in the Houston New Orleans and Seattle areas Intership Safety Commercial Commercial Intership only Boater Calling Commercial and Non-Commercial Commercial Commercial VTS in selected areas Port Operations VTS in selected areas Intership Navigation Safety Bridge-to-bridge Ships m length maintain a listening watch on this channel in US waters Port Operations VTS in selected areas Environmental Receive only Used by Class C EPIRBs International Distress Safety and Calling Ships required to carry radio USCG and most coast stations maintain a listening watch on this channel State local govt maritime control Commercial Commercial Port Operations duplex Port Operations U S Coast Guard only Coast Guard Liaison and Maritime Safety Information Broadcasts Broadcasts announced on channel U S Coast Guard only Public Correspondence Marine Operator Public Correspondence Marine Operator Public Correspondence Marine Operator Public Correspondence Marine Operator Public Correspondence Marine Operator Port Operations and Commercial VTS Available only in New Orleans Lower Mississippi area Port Operations Port Operations Commercial Used for Bridge-to-bridge communications in lower Mississippi River Intership only Non-Commercial Non-Commercial Digital Selective Calling voice communications not allowed Non- Commercial C A A A A A A A AIS Non-Commercial Intership only Port Operations Port Operations Port Operations Intership only Non-Commercial Commercial Non-Commercial in Great Lakes only Commercial Non-Commercial in Great Lakes only U S Government only - Environmental protection operations U S Government only U S Coast Guard only Public Correspondence Marine Operator Public Correspondence Marine Operator Public Correspondence Marine Operator Public Correspondence Marine Operator Commercial Intership only Automatic Identi ?cation System AIS PLEASE NOTE Channel numbers e g WX WX etc have no special signi ?cance but are often designated this way in consumer equipment Other channel numbering schemes are also prevalent The order of channels shown is the order they were established and is slowly becoming less popular over time than a numerical ordering of channels See NATIONAL WEATHER SERVICE MARINE PRODUCTS VIA NOAA WEATHER RADIO and the NOAA Weather Radio Homepage for more information Additional Information Frequencies Charts Frequencies are in MHz Modulation is KF E or KG E Note that the letter A indicates simplex use of the ship station transmit side of an international duplex channel and that operations are di ?erent than international operations on that channel Some VHF transceivers are equipped with an International - U S switch for that purpose A channels are generally only used in the United States and use is normally not recognized or allowed outside the U S The letter B indicates simplex use of the coast station transmit side of an international duplex channel The U S does not currently use B channels for simplex communications in this band Boaters should normally use channels listed as Non-Commercial Channel is used for calling other stations or for distress alerting