NorthStar Navigation Explorer 721EU, Explorer 721US installation manual

1.1 General remarks to frequency table 1

1.1.1The channels for service categories ship-to-ship and nautical information may also be used for vessel traffic-systems by traffic centres.

1.1.2In some countries, frequencies certain channels are used for another service category or other radio serv- ices. These countries are Austria, Bulgaria, Croatia,, the Federal Republic of Yugoslavia, Hungary, Moldova, Romania, the Russian Federation, the Slovak Republic, the Czech Republic (with exemption of channels 08, 09, 72, 74 and 86), Ukraine and the Federal Republic of Yugoslavia. The Administrations concerned should make any possible attempt to make these frequencies channels as soon as possible available for the radiotelephone service on Inland Waterways and/or the required service category.

1.2 Explanation of specific footnotes in frequency table 1

a.In the countries mentioned under 1.1.2, it is strictly prohibited to use this channel.

b.This channel is not allowed to be used between Rhine km 150 and km 350.

c.In the Netherlands, this channel is used by for its on-scene communications during safety operations on the North Sea, IJsselmeer, Waddenzee, Ooster- and Westerschelde.

d.This channel may also be used for piloting, mooring, tugging and for other nautical purposes.

e.This channel is the first ship-to-ship channel, unless the competent authority has designated another channel.

In the countries mentioned under 1.1.2, it is allowed that the output power is set to a value between 6 and 25 W until 1 January 2005.

f.In the countries mentioned under 1.1.2, this channel is used for service category ship-to-port authori- ties.

g.In the Netherlands, this channel is used by its national coastguard for communications during oil pol- lution operations on the North Sea and for safety messages for the North Sea, Waddenzee, IJsselmeer, Ooster- and Westerschelde.

h.This channel may be used only for service category on-board on board communications.

i.This channel may be used only for communications between seagoing vessels and participating land stations in case of distress and safety communications within the maritime sea-areas.

In the countries mentioned under 1.1.2, this channel may be used only for distress, safety and calling.

j.The output power shall be reduced automatically to a value between 0.5 and 1 W.

k.This channel may be used for communications with a social character.

l.In the Netherlands and Belgium, this channel may be used for transmitting messages concerning bunker- ing and victualling. The output power has to be reduced manually to a value between 0.5 and- 1 W.

m.This channel may also be used for public correspondence.

n.This channel will be used for an automatic ship identification and surveillance system (AIS) capable of providing worldwide operating on seas and Inland Waterways.

o.The availability of this channel is on a voluntary basis. All existing equipment shall be capable to of operating on this channel within a ten-year period after the entry into force of this Arrangement.

p.After permission of the competent authority, this channel may be used only for special events on a temporary basis.

q.In the Czech Republic this channel is used for service category nautical information.

r.In the Czech Republic this channel is used for service category ship-to-port authorities.

Northstar Explorer VHF Series: 721US, 721EU Operation and Installation Manual 53