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Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
Offshore communication
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Offshore communication

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Getting the most out of HF and mobile broadband services

Getting the most out of HF and mobile broadband services

Published in: Business, Economy & Finance
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  • 1. Offshore Communications: Radio & Internet<br />Marty Andersen<br />Andersen Marine<br />Marius Coomans<br />Skipr.net<br />
  • 2. Radio Communications<br /><ul><li>Radio Propagation
  • 3. Selecting and Installing Antennas
  • 4. VHF & HF radio – do we need both?
  • 5. Mobile Phones – just another radio!</li></li></ul><li>Online Communications<br /><ul><li>Internet Access Alternatives
  • 6. Managing Telstra
  • 7. Satellite Communications</li></li></ul><li>Propagation<br />
  • 8. Wavelength v Frequency<br />
  • 9. Propagation - Daytime<br />
  • 10. Propagation - Day v Night<br />
  • 11. Antennas<br /><ul><li>Antennas are matched to a Frequency (band)
  • 12. What matters is Power Delivered rather than transmitter power
  • 13. VHF and higher bands operate on the basis of "line of sight"
  • 14. The gain and radiation pattern of an antenna are critical.</li></li></ul><li>
  • 15.
  • 16. Typical whip antenna radiation pattern<br />The higher the gain, the narrower the beam<br />
  • 17. The effect of heel on transmission<br />
  • 18. Distance to Horizon<br />Yacht A (10 m)   - 11.3km (6 NM) <br />Yacht B (20m)    -  16 km (8.6 NM)<br />Tower (100m)    -  35.7 km (19.3 NM)<br />
  • 19. VHF  v  HF<br />
  • 20.
  • 21.
  • 22.
  • 23.
  • 24. 850 MHz v 2100 MHz<br />Number of Phone Towers<br />
  • 25.
  • 26.
  • 27.
  • 28.
  • 29. Internet Access <br /><ul><li>the Easy option
  • 30. the Efficient option
  • 31. the Luxury option
  • 32. the Other option</li></li></ul><li>Internet Access<br /><ul><li>the Easy option
  • 33. the Efficient option
  • 34. the Luxury option
  • 35. the Other options</li></li></ul><li>How?... <br /><ul><li>the Easy option
  • 36. the Efficient option
  • 37. the Luxury option
  • 38. the Other options</li></li></ul><li>How?... <br /><ul><li>the Easy option
  • 39. the Efficient option
  • 40. the Luxury option
  • 41. the Other options</li></li></ul><li>Internet Access<br /><ul><li>the Easy option
  • 42. the Efficient option
  • 43. the Luxury option
  • 44. the Other options</li></li></ul><li>How?... <br /><ul><li>the Easy option
  • 45. the Efficient option
  • 46. the Luxury option
  • 47. the Other options</li></li></ul><li>How?... <br /><ul><li>the Easy option
  • 48. the Efficient option
  • 49. the Luxury option
  • 50. the Other options</li></li></ul><li>Try it<br />Skipr<br />joyandmarius<br />
  • 51. Internet Access<br /><ul><li>the Easy option
  • 52. the Efficient option
  • 53. the Luxury option
  • 54. the Other options</li></li></ul><li>How?... <br /><ul><li>the Easy option
  • 55. the Efficient option
  • 56. the Luxury option
  • 57. the Other options</li></li></ul><li>Use the phone<br />
  • 58. $100<br />
  • 59.
  • 60. Telstra "Browsing Packs"<br />
  • 61. Mobile Broadband Plans<br />
  • 62. Prepaid Mobile Broadband<br />
  • 63. Plan considerations<br /><ul><li>Does your phone plan allow tethering?
  • 64. How consistent is your broadband usage?
  • 65. Are you prepared to switch to Telstra?</li></li></ul><li>Internet Access<br /><ul><li>the Easy option
  • 66. the Efficient option
  • 67. the Luxury option
  • 68. the Other options</li></li></ul><li>Satellite Internet<br />Marina WiFi<br />Sat Phone<br />Sailmail<br />
  • 69. Satellite Communicators<br />‘SENDs’<br />
  • 70. Questions?<br />

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