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D-STAR
Digital - Smart Technologies for Amateur Radio

           ON5VDK - 24/01/2009
Presentation
• D-Star?
• Signals / bandwidth
• QSO via D-STAR
• D-STAR + Computer
• Homebrew
D-Star?
•   Digital voice and data protocol for radio
    amateurs
    •   Development: Japan Amateur Radio League
    •  ...
Signals / Bandwidth

•    2 (sub) modes
    • DV: Digital Voice
    • DD: Digital Data
Digital Voice

• 3600 bps (2400 AMBE + 1200 Error corr.)
  1200 bps data with voice (GPS info)

  4800 bps Total - 6.25 khz
Digital Data


• 128 kbps Pure data (No Voice)
  130 khz
QSO via D-Star

•   Local via Repeater
                         ON0ULG B
    UR: CQCQCQ
    R1: ON0ULG B
    R2: -
    MY:...
UR, R1, R2, MY ?!?
• D-Star -> Call based routing
 • UR= YOUR => remote station or CQ
   (CQCQCQ)
 • R1 => Repeater 1
 • R...
QSO via D-Star

•   Local via Repeater
                         ON0ULG B
    UR: CQCQCQ
    R1: ON0ULG B
    R2: -
    MY:...
QSO via D-STAR
                             •   local via Repeater
                                 & Internet
ON0ULG B
  ...
QSO via D-STAR
                            •   Repeater to
                                Repeater via
                  ...
QSO via D-STAR
                            •   Repeater to
                                Repeater via
                  ...
QSO via D-STAR

                            •   Linking repeaters
ON0ULG B         ON0CPS B
                              ...
QSO via D-STAR
                            •   Unlinking
                                repeaters
ON0ULG B         ON0CPS...
QSO via D-STAR

                            •   Linking Reflector
ON0ULG B         ON0CPS B
                               ...
QSO via D-STAR
                            •   Unlinking
                                repeaters
ON0ULG B         ON0CPS...
D-STAR + Computer
•   dChat

•   D-Rats

•   D-Star Comms

•   DV-Dongle
DV Dongle
AMBE Chip via USB


      Java

   Compatible
Windows, Mac OSX
    en Linux
D-Star + Internet

•   D-Star Users
    http://www.dstarusers.org/


•   D-Star Info
    http://www.dstarinfo.com/


•   w...
Homebrew
•   DV Adapter (UT-118)
    http://d-star.dyndns.org/


    •   Based on UT-118

•   DVX Project
    http://www.m...
on5vdk@uba.be
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D-Star Presentation, Liege, 24th of January 2009

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D-Star presentation from 24 of January 2009 at Section Liege

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D-Star Presentation, Liege, 24th of January 2009

  1. 1. D-STAR Digital - Smart Technologies for Amateur Radio ON5VDK - 24/01/2009
  2. 2. Presentation • D-Star? • Signals / bandwidth • QSO via D-STAR • D-STAR + Computer • Homebrew
  3. 3. D-Star? • Digital voice and data protocol for radio amateurs • Development: Japan Amateur Radio League • VHF, UHF, Microwave + Network (Internet) • Simplex, Repeaters, Internet
  4. 4. Signals / Bandwidth • 2 (sub) modes • DV: Digital Voice • DD: Digital Data
  5. 5. Digital Voice • 3600 bps (2400 AMBE + 1200 Error corr.) 1200 bps data with voice (GPS info) 4800 bps Total - 6.25 khz
  6. 6. Digital Data • 128 kbps Pure data (No Voice) 130 khz
  7. 7. QSO via D-Star • Local via Repeater ON0ULG B UR: CQCQCQ R1: ON0ULG B R2: - MY: ON5VDK ON5VDK ON4LRG
  8. 8. UR, R1, R2, MY ?!? • D-Star -> Call based routing • UR= YOUR => remote station or CQ (CQCQCQ) • R1 => Repeater 1 • R2 => Repeater 2 • MY => My Call
  9. 9. QSO via D-Star • Local via Repeater ON0ULG B UR: CQCQCQ R1: ON0ULG B R2: - MY: ON5VDK ON5VDK ON4LRG
  10. 10. QSO via D-STAR • local via Repeater & Internet ON0ULG B PH0K UR: CQCQCQ R1: ON0ULG B R2: ON0ULG G MY: ON5VDK ON5VDK ON4LRG
  11. 11. QSO via D-STAR • Repeater to Repeater via internet ON0ULG B ON0CPS B UR: ON4LRG R1: ON0ULG B R2: ON0ULG G MY: ON5VDK ON4LRG ON5VDK
  12. 12. QSO via D-STAR • Repeater to Repeater via internet ON0CPS B ON0ULG B UR: /ON0CPSB R1: ON0ULG B R2: ON0ULG G MY: ON5VDK ON5VDK ON4LRG
  13. 13. QSO via D-STAR • Linking repeaters ON0ULG B ON0CPS B UR: ON0CPSBL R1: ON0ULG B R2: ON0ULG G MY: ON5VDK ON5VDK ON4LRG
  14. 14. QSO via D-STAR • Unlinking repeaters ON0ULG B ON0CPS B UR: ON0CPSBU R1: ON0ULG B R2: ON0ULG G MY: ON5VDK • DON’T FORGET! ON5VDK ON4LRG
  15. 15. QSO via D-STAR • Linking Reflector ON0ULG B ON0CPS B UR: REF005BL R1: ON0ULG B R2: ON0ULG G MY: ON5VDK ON5VDK ON4LRG
  16. 16. QSO via D-STAR • Unlinking repeaters ON0ULG B ON0CPS B UR: * * * * * * * U R1: ON0ULG B R2: ON0ULG G MY: ON5VDK • DON’T FORGET! ON5VDK ON4LRG
  17. 17. D-STAR + Computer • dChat • D-Rats • D-Star Comms • DV-Dongle
  18. 18. DV Dongle AMBE Chip via USB Java Compatible Windows, Mac OSX en Linux
  19. 19. D-Star + Internet • D-Star Users http://www.dstarusers.org/ • D-Star Info http://www.dstarinfo.com/ • www.dstar.be ?
  20. 20. Homebrew • DV Adapter (UT-118) http://d-star.dyndns.org/ • Based on UT-118 • DVX Project http://www.moetronix.com/dstar/ • Based on AMBE chip • DV Dongle http://www.moetronix.com/dvdongle/ http://www.dvdongle.com/
  21. 21. on5vdk@uba.be

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