海事VHF频率表

1、channel numbership transmit mhzship receive mhzuse01a156.050156.050port operations and commercial, vts. available only in new orleans / lower mississippi area.05a156.250156.250port operations or vts in the houston, new orleans and seattle areas.06156.300156.300intership safety07a156.350156.350commer

2、cial08156.400156.400commercial (intership only)09156.450156.450boater calling. commercial and non-commercial.10156.500156.500commercial11156.550156.550commercial. vts in selected areas.12156.600156.600port operations. vts in selected areas.13156.650156.650intership navigation safety (bridge-to-bridg

3、e). ships 20m length maintain a listening watch on this channel in us waters.14156.700156.700port operations. vts in selected areas.15-156.750environmental (receive only). used by class c epirbs.16156.800156.800international distress, safety and calling. ships required to carry radio, uscg, and most

4、 coast stations maintain a listening watch on this channel.17156.850156.850state control18a156.900156.900commercial19a156.950156.950commercial20157.000161.600port operations (duplex)20a157.000157.000port operations21a157.050157.050u.s. coast guard only22a157.100157.100coast guard liaison and maritim

5、e safety information broadcasts. broadcasts announced on channel 16.23a157.150157.150u.s. coast guard only24157.200161.800public correspondence (marine operator)25157.250161.850public correspondence (marine operator)26157.300161.900public correspondence (marine operator)27157.350161.950public corres

6、pondence (marine operator)28157.400162.000public correspondence (marine operator)63a156.175156.175port operations and commercial, vts. available only in new orleans / lower mississippi area.65a156.275156.275port operations66a156.325156.325port operations67156.375156.375commercial. used for bridge-to

7、-bridge communications in lower mississippi river. intership only.68156.425156.425non-commercial69156.475 156.475non-commercial70156.525156.525digital selective calling (voice communications not allowed)71156.575156.575 non-commercial72156.625156.625non-commercial (intership only)73156.675156.675por

8、t operations74156.725156.725port operations77156.875156.875port operations (intership only)78a156.925156.925non-commercial79a156.975156.975commercial. non-commercial in great lakes only80a157.025157.025commercial. non-commercial in great lakes only81a157.075157.075u.s. government only - environmenta

9、l protection operations.82a157.125157.125u.s. government only83a157.175157.175u.s. coast guard only84157.225161.825public correspondence (marine operator)85157.275161.875public correspondence (marine operator)86157.325161.925public correspondence (marine operator)87157.375157.375public correspondenc

10、e (marine operator)88a157.425157.425commercial, intership only.ais 1161.975161.975automatic identification system (ais)ais 2162.025162.025automatic identification system (ais)(this chart is also available in text or excel versions)vhf maritime spectrum chartnoaa weather radio frequencieschannelfrequ

11、ency (mhz)wx1162.550wx2162.400wx3162.475wx4162.425wx5162.450wx6162.500wx7162.525see the noaa weather radio homepage for more information.additional information, frequencies, & chartsfrequencies are in mhz. modulation is 16kf3e or 16kg3e.note that the letter a indicates simplex use of the ship statio

12、n transmit side of an international duplex channel, and that operations are different 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 n

13、ot 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. channe

14、l 16 is used for calling other stations or for distress alerting. channel 13 should be used to contact a ship when there is danger of collision. all ships of length 20m or greater are required to guard vhf channel 13, in addition to vhf channel 16, when operating within u.s. territorial waters. user

15、s may be fined by the fcc for improper use of these channels. see marine radio watch requirements for further information.see the federal communications commissions marine vhf radio channels page. the fcc page does not include frequency information, but has more complete information on the use of the channels. if you notice any discrepancy between these two lists, please no