NorthStar Navigation VHF Marine Radio Explorer 721US User Manual
Page 43
43
Northstar Explorer VHF Series: 721US, 721EU Operation and Installation Manual
Transmitting
frequencies
MHz
Port operations
and ship movement
Channel
designator
Notes
Ship
stations
Coast
stations
Inter-
ship
Single
frequency
Two
frequency
Public
corres-
pondence
16
156,800
156,800
DISTRESS, SAFETY AND CALLING
76
n)
156,825
x
17
g)
156,850
156,850
x
x
77
156,875
x
18
m)
156,900
161,500
x
x
x
78
156,925
161,525
x
x
19
156,950
161,550
x
x
79
156,975
161,575
x
x
20
157,000
161,600
x
x
80
157,025
161,625
x
x
21
157,050
161,650
x
x
81
157,075
161,675
x
x
22
m)
157,100
161,700
x
x
x
82
m), o)
157,125
161,725
x
x
x
23
m), o)
157,150
161,750
x
x
x
83
m), o)
157,175
161,775
x
x
x
24
m), o)
157,200
161,800
x
x
x
84
m), o)
157,225
161,825
x
x
x
25
m), o)
157,250
161,850
x
x
x
85
m), o)
157,275
161,875
x
x
x
26
m), o)
157,300
161,900
x
x
x
86
m), o)
157,325
161,925
x
x
x
27
157,350
161,950
x
x
87
157,375
x
28
157,400
162,000
x
x
88
157,425
x
AIS 1
l)
161,975
161,975
AIS 2
l)
162,025
162,025
SPECIAL NOTES ON INTERNATIONAL CHANNEL USEAGE
Notes referring to the Table
General notes
The International mode is not legal for use in US or Canada Waters
a.
Administrations may designate frequencies in the inter-ship, port operations and ship movement services
for use by light aircraft and helicopters to communicate with ships or participating coast stations in pre-
dominantly maritime support operations under the conditions specifi ed in Nos. 51.69, 51.73, 51.74, 51.75,
51.76, 51.77 and 51.78. However, the use of the channels which are shared with public correspondence
shall be subject to prior agreement between interested and aff ected administrations.
b. The channels of the present Annex, with the exception of channels 06, 13, 15, 16, 17, 70, 75 and 76, may
also be used for high-speed data and facsimile transmissions, subject to special arrangement between
interested and aff ected administrations.
c.
The channels of the present Annex, but preferably channel 28 and with the exception of channels 06,
13, 15, 16, 17, 70, 75 and 76, may be used for direct-printing telegraphy and data transmission, subject
to special arrangement between interested and aff ected administrations.