B&G V90 VHF Radio User Manual

Page 109

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| 109

Appendices |

V90 Operating Manual

The V90 VHF radio includes an AIS receiver-only function.

AIS Static and dynamic information

Defined transmit rates for Class A vessels shown below are provided
for reference purposes only. The frequency of messages received
vary due to a number of factors including but not limited to such
factors as antenna height, gain and signal interference.

Static information is either broadcast every 6 minutes, when data
has been amended, or upon request.

Dynamic information is broadcast depending on speed and course
alteration based on the following tables:

Ship’s dynamic conditions

Normal reporting

interval

At anchor or moored

3 Minutes

0-14 knots

10 Seconds

0-14 knots and changing course

3 1/3 Seconds

14-23 knots

6 Seconds

14-23 knots and changing course

2 Seconds

Ship faster than 23 knots

2 Seconds

Ship faster than 23 knots and changing course

2 Seconds

Platform’s condition

Normal reporting

interval

Class B Shipborne mobile equipment not moving faster than 2 Knots

3 Minutes

Class B Shipbome mobile equipment moving 2-14 Knots

30 Seconds

Class B Shipbome mobile equipment moving 14-23 Knots

15 Seconds

Class B Shipbome mobile equipment moving faster than 23 Knots

5 Seconds

Search and Rescue aircraft (airborne mobile equipment)

10 Seconds

Aids to Navigation

3 Minutes

AIS transceiver

10 Seconds

Source of information for above table 1-1, 1-2: (ITU
recommendations technical document: ITU-R M.1371-1)

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