Cruise communications essentials 2013

Cruise Communications

EssentialsMarius Coomans

The Basics

• Routine Radio

Communications

• Managing MR - VMR

• Emergency Communications

The Fundamentals

• Antennas and Propagation

• The Mobile Phone Network

• The Role of Satellites

The Necessities

• AIS

• Onboard Phone and Internet

• Social Networking – Skipr.net

The Basics

VHF  v  HF

Fixed  and  Mobile

NSW Qld

(Volunteer) Marine Rescue

Repeaters       (ch 21-22 , 80-82)

Use the phone

Mayday CallMayday, Mayday, Mayday, this is Boatname, Boatname, Boatname.  [break]

Mayday, this is Boatname, we are taking on water and are about to abandon ship.

Our position is: 31 degrees, 23 decimal 45 minutes South, 152 degrees, 15decimal 67 minutes East.

We have two people on board.

The Fundamentals

Antennas

• The antenna stands between you

and the rest of the world.

• It has to deliver when you need it

most.

• Radio – Telephone - Internet

Typical whip antenna radiation pattern

The higher the gain, the narrower the beam

The effect of heel on transmission

Distance to Horizon

Yacht A (10 m)   - 11.3km (6 NM) 

Yacht B (20m)    -  16 km (8.6 NM)

Tower (100m)    -  35.7 km (19.3 NM)

Antennas

• Antennas are matched to a band

(Frequency range)

• VHF and higher bands operate on

the basis of "line of sight"

• Gain, radiation pattern and position

of an antenna are important.

Mobile Phones are Radios too…

850 MHz v 2100 MHz

Number of Phone Towers

Satellites

System Purpose

Inmarsat General Purpose – Geostationary

Iridium General Purpose – Low Orbit Constellation

Globalstar General Purpose – Low Orbit

GPS Positioning

Cospas-Sarsat Rescue -EPIRB

The Necessities

Automatic Identification Systems (AIS)

Great variety of AIS instruments

Internet Access • the Easy option• the Efficient option• the Luxury option• the Other option

Internet Access• the Easy option• the Efficient option• the Luxury option• the Other options

How?... • the Easy option• the Efficient option• the Luxury option• the Other options

How?... • the Easy option• the Efficient option• the Luxury option• the Other options

Internet Access• the Easy option• the Efficient option• the Luxury option• the Other options

How?... • the Easy option• the Efficient option• the Luxury option• the Other options

How?... • the Easy option• the Efficient option• the Luxury option• the Other options

Internet Access• the Easy option• the Efficient option• the Luxury option• the Other options

How?... • the Easy option• the Efficient option• the Luxury option• the Other options

Satellite Communicator (SEND)

Internet Access• the Easy option• the Efficient option• the Luxury option• the Other options

Marina WiFi

SailmailSat Phone

Satellite Internet

Satellite Communicator (SEND)

Cruise Communication

EssentialsFurther reading on Skipr.net:

http://bit.ly/SkiprEss