Offshore communication

3,892 views
3,798 views

Published on

Getting the most out of HF and mobile broadband services

Published in: Business, Economy & Finance
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
3,892
On SlideShare
0
From Embeds
0
Number of Embeds
2,557
Actions
Shares
0
Downloads
25
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Offshore communication

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

×