User's Manual

14221-1200-4000, Rev. E
21
Table 4-1: Maritime Frequencies
CHANNEL
FREQUENCY
CHANNEL USAGE
US
INTL
CA
SHIP
(MHz)
SHORE
(MHz)
11
11
11
T/R:
156.55
T/R:
156.55
US: Commercial. VTS in selected areas.
International: Port Operations.
Canada: VTS - British Columbia coast area.
Also used for pilotage purposes.
12
12
12
T/R:
156.60
T/R:
156.60
US: Port Operations. VTS in selected areas.
International: Port Operations.
Canada: VTS - British Columbia coast area.
Also used for pilotage purposes.
13
13
13
T/R:
156.65
T/R:
156.65
US: Intership Navigation Safety (Bridge-to-bridge). Ships >20m length
maintain a listening watch on this channel in US waters.
International: Intership, Port Operations.
Canada: VTS - British Columbia coast area.
Also used for pilotage purposes.
14
14
14
T/R:
156.70
T/R:
156.70
US: Port Operations. VTS in selected areas.
International: Port Operations.
Canada: VTS - British Columbia coast area.
Also used for pilotage purposes.
15
15
15
T/R:
156.75
(US: Rx
Only)
T/R:
156.75
US: Environmental (Receive only). Used by Class C Emergency Position-
Indicating Radio Beacons (EPIRBs).
International: Intership, Port Operations.
Canada: Port operations and Ship Movement - British Columbia coast area.
All operations limited to 1-watt maximum power. May also be used for on-
board communications.
16
16
16
T/R:
156.80
T/R:
156.80
US: International Distress, Safety and Calling. Ships required to carry radio,
US Coast Guard (USCG), and most coast stations maintain a listening
watch on this channel.
International: International Distress, Safety and Calling.
Canada: International Distress, Safety and Calling.
17
17
17
T/R:
156.85
T/R:
156.85
US: State Control.
International: Intership, Port Operations.
Canada: Port operations and Ship Movement - British Columbia coast area.
All operations limited to 1 watt maximum power. May also be used for on-
board communications.
18
T: 156.90
R: 161.50
T: 161.50
R: 156.90
International: Public Correspondence, Port Operations.
18a
18a
T/R:
156.90
T/R:
156.90
US: Commercial.
Canada: Towing - British Columbia coast area.
19
T: 156.95
R: 161.55*
T: 161.55*
R: 156.95
International: Public Correspondence, Port Operations.
19a
19a
T/R:
156.95
T/R:
156.95
US: Commercial.
Canada: DFO/Canadian Coast Guard. Pacific Pilots - British Columbia
coast area.
20
20
20
T: 157.00
R: 161.60
T: 161.60
R: 157.00
US: Port Operations (Duplex).
International: Public Correspondence, Port Operations.
Canada: Port operations only with 1 watt maximum power.
20a
T/R:
157.00
T/R:
157.00
US: Port Operations.