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Royal Yacht Squadron Weather and Communications Day Communications Tim Thornton.

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1 Royal Yacht Squadron Weather and Communications Day Communications Tim Thornton

2 March 2007 Smartcom Software Ltd Overview Receivers – NAVTEX, radio, weatherfax etc Receivers – NAVTEX, radio, weatherfax etc Communications Hardware Choices Communications Hardware Choices Connecting to the Internet Connecting to the Internet

3 March 2007 Smartcom Software Ltd NAVTEX Network of transmitters with about 250nm range Network of transmitters with about 250nm range Mandatory 518kHz frequency always English Mandatory 518kHz frequency always English Optional 490kHz frequency may be in the local language Optional 490kHz frequency may be in the local language

4 March 2007 Smartcom Software Ltd NAVTEX Transmissions Fixed 6 minute time slots every 4 hours for each station Fixed 6 minute time slots every 4 hours for each station Primarily for navigation warnings – every 4 hours Primarily for navigation warnings – every 4 hours Secondarily for weather forecasts – typically every 12 hours Secondarily for weather forecasts – typically every 12 hours Urgent info may be sent between regular transmission time slots Urgent info may be sent between regular transmission time slots

5 March 2007 Smartcom Software Ltd NAVTEX Transmit every 4 hours More navigation information than weather

6 March 2007 Smartcom Software Ltd NAVTEX Coverage

7 March 2007 Smartcom Software Ltd NAVTEX Reception Hints Ground the antenna cable shield, and use good quality cable Ground the antenna cable shield, and use good quality cable Don’t mount by other vertical metal objects – masts, rigging, stanchions Don’t mount by other vertical metal objects – masts, rigging, stanchions Poor reception over land Poor reception over land Designed for use to seaward of the fairway buoy Designed for use to seaward of the fairway buoy

8 March 2007 Smartcom Software Ltd SafetyNet Offshore version of NAVTEX Offshore version of NAVTEX Transmitted over INMARSAT C (see later) Transmitted over INMARSAT C (see later) Worldwide coverage Worldwide coverage Can be better than NAVTEX reception, e.g. in Eastern Mediterranean Can be better than NAVTEX reception, e.g. in Eastern Mediterranean

9 March 2007 Smartcom Software Ltd Radio Transmissions Numerous voice transmissions: Local FM radio stations Local FM radio stations Radio 4 on LW Radio 4 on LW VHF broadcasts VHF broadcasts

10 March 2007 Smartcom Software Ltd Weatherfax Weather maps sent over SSB radio Weather maps sent over SSB radio Northwood and Offenbach transmit in Europe Northwood and Offenbach transmit in Europe Long range reception – mid Atlantic Long range reception – mid Atlantic Takes about 10 mins to receive a map Takes about 10 mins to receive a map A bit fiddly and needs some practice to get the best out of it A bit fiddly and needs some practice to get the best out of it

11 March 2007 Smartcom Software Ltd Weatherfax

12 March 2007 Smartcom Software Ltd Weatherfax Software Bonito Board Terminal and RadioCom Bonito Board Terminal and RadioCom Mscan Meteo Mscan Meteo Xaxero Weatherfax 2000 Xaxero Weatherfax 2000 JVComm These all generally receive and decode Morse, RTTY etc. Bonito will also plot out SYNOP weather reports sent over RTTY JVComm These all generally receive and decode Morse, RTTY etc. Bonito will also plot out SYNOP weather reports sent over RTTY

13 March 2007 Smartcom Software Ltd Communications Hardware Choices Coverage Coverage Facilities Facilities Installation Installation Costs Costs

14 March 2007 Smartcom Software Ltd Coverage – Mobile Phone Mobile phone – GSM and GPRS Mobile phone – GSM and GPRS Enhanced with external GSM antenna Enhanced with external GSM antenna Typically 10 miles offshore Typically 10 miles offshore See www.gsmworld.com for coverage etc. See www.gsmworld.com for coverage etc.www.gsmworld.com

15 March 2007 Smartcom Software Ltd Coverage – Iridium Worldwide Worldwide Except Poland, Hungary, N. Korea Except Poland, Hungary, N. Korea Antenna must be outside Antenna must be outside

16 March 2007 Smartcom Software Ltd Coverage – Thuraya Satellite coverage Mediterranean, Europe, the Gulf, India Satellite coverage Mediterranean, Europe, the Gulf, India Also includes GSM capability Also includes GSM capability Two geostationary satellites Two geostationary satellites

17 March 2007 Smartcom Software Ltd Coverage – GlobalStar Land and coastal waters – not global Land and coastal waters – not global Also includes GSM capability Also includes GSM capability

18 March 2007 Smartcom Software Ltd INMARSAT 4 geostationary satellites 4 geostationary satellites Coverage within rectangles Coverage within rectangles Blue: Mini M, Fleet 33 & 55 data, Fleet 77 high speed Blue: Mini M, Fleet 33 & 55 data, Fleet 77 high speed

19 March 2007 Smartcom Software Ltd Facilities ServiceVoiceFaxTextDataGMDSSCover WiFi Via VoIP Via net No2,000,000NoMarina GSMYesYesYes9600No 10-15 miles GPRS Via GSM ~ 30,000 No 10-15 miles 3GYesYesYes > 380,000 No 10-15 miles IridiumYesNoYes2400NoGlobal ThurayaYesNoNo9600No Med, Middle East GlobalSt ar YesNoNo9600NoOffshore INMARS AT C No Text only Yes60YesGlobal INMARS AT Mini- M YesYesNo2400NoOffshore INMARS AT Fleet 33 YesYesNo 56,000 packet, 9,600 dial-up NoOffshore

20 March 2007 Smartcom Software Ltd In the Pipeline… Fleet BGAN – 492kbps – end of this year Fleet BGAN – 492kbps – end of this year INMARSAT/ACeS linkup – smaller, cheaper alternative to Iridium rolled out over next 2-3 years INMARSAT/ACeS linkup – smaller, cheaper alternative to Iridium rolled out over next 2-3 years Wi-Max – longer range WiFi starting being rolled out, range 5 – 32 miles Wi-Max – longer range WiFi starting being rolled out, range 5 – 32 miles GSM HSPA – speeds of about 1.8Mbps GSM HSPA – speeds of about 1.8Mbps

21 March 2007 Smartcom Software Ltd Installation - GSM Handheld phone Hands free / car kit to hold the phone Hands free / car kit to hold the phone Bluetooth to the PC, ideally Bluetooth to the PC, ideally Or cable or infra-red Or cable or infra-red External GSM antenna for best range – best up high External GSM antenna for best range – best up high Antenna needs good quality cable Antenna needs good quality cable Fixed Phone Use DECT cordless phone handset(s) Optional connection to fax machine Serial cable for data connection to PC GSM module can be hidden away Data generally faster than handheld phone External GSM antenna for best range – best up high

22 March 2007 Smartcom Software Ltd Installation - GSM

23 March 2007 Smartcom Software Ltd Installation – Iridium, Thuraya, Globalstar Requires external antenna for reliable satellite link – simple connection via coax cable Serial cable for data connection to PC If handset is not designed to be fixed mount, ensure enough cable slack for use

24 March 2007 Smartcom Software Ltd Installation – Iridium, Thuraya, Globalstar Iridium Thuraya Globalstar

25 March 2007 Smartcom Software Ltd Installation – INMARSAT External antenna required, connected via coax cable INMARSAT C – small and light, 10cm diameter approx Fleet – diameter from 33 to 77 cm. Beware antenna weight on larger sizes! For packet and dial up services, need separate connections to the PC

26 March 2007 Smartcom Software Ltd Installation - INMARSAT

27 March 2007 Smartcom Software Ltd Costs (UK£ inc. VAT) ServicePurchase Monthly sub Voice /min Data per Megabyte WiFi < £100 LowFreeFree GSM £200 - £500 0 £0.15 - £1.10 £2.13 - £8.10 GPRS00N/A £0.30 - £8.50 Iridium£1800-£2500 £0 - £25 £0.50-£1.75 £56.80 - £99.50 Thuraya£1400£25.00 £0.50 - £1.30 £7.10 - £18.50 GlobalStar £800 - £1600 £16.60 £0.60 - £2.50 £8.50 - £30.00 INMARSAT C £1750 - £2700 0N/A£5783 Mini-M£42500 £1.60 - £2.80 £91 - £160 INMARSAT Fleet 55 £160000 £ 1.50 - £2.30 £10.50 - £14.00 for ISDN, £20 - £26 for packet INMARSAT Fleet 33 TBA0 £ 1.50 - £2.30 £10.50 - £14.00 for ISDN, £20 - £26 for packet

28 March 2007 Smartcom Software Ltd E-mail over SSB Requires an SSB radio and radio modem – equipment more expensive than Iridium for example, especially with high installation costs of an SSB Requires an SSB radio and radio modem – equipment more expensive than Iridium for example, especially with high installation costs of an SSB Not a plug and go solution Not a plug and go solution Service providers: Service providers: SailMail – www.sailmail.com SailMail – www.sailmail.com MarineNet – www.marinenet.net MarineNet – www.marinenet.net

29 March 2007 Smartcom Software Ltd Connecting to the Internet Communications Link DNS Server PC Communications device Fast data rate Slower Data rate Logon authentication ISP Internet POP3 Server SMTP Server POP3 Server Web sites

30 March 2007 Smartcom Software Ltd Using E-Mail Efficiently Batch up your e-mails instead of sending individually Batch up your e-mails instead of sending individually Use plain text for outgoing messages Use plain text for outgoing messages Send links instead of images Send links instead of images Don’t include original message when replying Don’t include original message when replying Increase server time-out to allow for slow connection and satellite delays Increase server time-out to allow for slow connection and satellite delays Disable messaging tools e.g. Windows Messenger, ICQ Disable messaging tools e.g. Windows Messenger, ICQ Don’t use a web browser to read your e-mail Don’t use a web browser to read your e-mail

31 March 2007 Smartcom Software Ltd SmartCom Designed for fast operation over slow links Sends and receives simultaneously If line is dropped, resumes receiving mail where it left off instead of starting from scratch Minimises the size of outgoing e-mails Allows header preview of large e-mails, so you can leave them, download or delete Optimises TCP/IP settings Uses your existing ISP and e-mail addresses £39 for GSM only, £69 for satellite and GSM communications

32 March 2007 Smartcom Software Ltd SmartCom

33 March 2007 Smartcom Software Ltd MailASail Server based e-mail service Server based e-mail service Uses your existing ISP Uses your existing ISP New e-mail address supplied New e-mail address supplied Minimises the size of incoming e-mails by converting to plain text and minimising header size Minimises the size of incoming e-mails by converting to plain text and minimising header size Can also remove any attachments Can also remove any attachments Also can remove non-text content from web pages for fast browsing – but this can cause problems with many sites Also can remove non-text content from web pages for fast browsing – but this can cause problems with many sites Annual or monthly subs - £140/year for each service Annual or monthly subs - £140/year for each service

34 March 2007 Smartcom Software Ltd Zap Requires Outlook, not Outlook Express Requires Outlook, not Outlook Express Dial in to their server for e-mail, need a separate ISP for web access Dial in to their server for e-mail, need a separate ISP for web access Requires a new zap e-mail address Requires a new zap e-mail address Compresses incoming and outgoing e-mails Compresses incoming and outgoing e-mails Charged by volume of data throughput – can be expensive Charged by volume of data throughput – can be expensive £70/year + £0.35/kilobyte uncompressed £70/year + £0.35/kilobyte uncompressed

35 March 2007 Smartcom Software Ltd OnSpeed Web and e-mail compression Web and e-mail compression Images resized and compressed more on the fly Images resized and compressed more on the fly Doesn’t work with secure sites or some satellite phones Doesn’t work with secure sites or some satellite phones Use own e-mail address and ISP Use own e-mail address and ISP Significant speed-up Significant speed-up Overhead of about 10kbits of data with each connection Overhead of about 10kbits of data with each connection £25/year £25/year

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