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Internet at Sea
Marius Coomans
Why?...
•Safety•Leisure•Keeping in touch
Others
850/900 MHz v 2100 MHz
Number of Phone Towers
How?... •the Easy option•the Efficient option•the Luxury option•the Other option
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
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
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
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
1=best5=worst
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)
Marina WiFi
SailmailSat Phone
Satellite Internet
SEND – Satellite Emergency Notification Device
SEND – Satellite Emergency Notification Devices
• Satellite based, so works globally
• Notifies Rescue Organisation
• Two Way Text Communication
• Work with Smartphones (Text only)
• Continuous Tracking
Skipr works with many devices
• Web
• Smartphones
• Sailmail (Plus)
• Satellite Phones (Plus)
• SENDs (Plus)
