d-star presentation, liege, 24th of january 2009
TRANSCRIPT
D-STARDigital - 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
• VHF, UHF, Microwave + Network (Internet)
• Simplex, Repeaters, Internet
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
UR: CQCQCQR1: ON0ULG BR2: -MY: ON5VDK
ON0ULG B
ON5VDK ON4LRG
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
QSO via D-Star
• Local via Repeater
UR: CQCQCQR1: ON0ULG BR2: -MY: ON5VDK
ON0ULG B
ON5VDK ON4LRG
QSO via D-STAR
• local via Repeater & Internet
UR: CQCQCQR1: ON0ULG BR2: ON0ULG GMY: ON5VDK
ON0ULG B
ON5VDK ON4LRG
PH0K
QSO via D-STAR
• Repeater to Repeater via internet
UR: ON4LRGR1: ON0ULG BR2: ON0ULG GMY: ON5VDK
ON0CPS BON0ULG B
ON5VDK ON4LRG
QSO via D-STAR
• Repeater to Repeater via internet
UR: /ON0CPSBR1: ON0ULG BR2: ON0ULG GMY: ON5VDK
ON0CPS BON0ULG B
ON5VDK ON4LRG
QSO via D-STAR
• Linking repeaters
UR: ON0CPSBLR1: ON0ULG BR2: ON0ULG GMY: ON5VDK
ON0CPS BON0ULG B
ON5VDK ON4LRG
QSO via D-STAR
• Unlinking repeaters
UR: ON0CPSBUR1: ON0ULG BR2: ON0ULG GMY: ON5VDK
• DON’T FORGET!
ON0CPS BON0ULG B
ON5VDK ON4LRG
QSO via D-STAR
• Linking Reflector
UR: REF005BLR1: ON0ULG BR2: ON0ULG GMY: ON5VDK
ON0CPS BON0ULG B
ON5VDK ON4LRG
QSO via D-STAR
• Unlinking repeaters
UR: * * * * * * * UR1: ON0ULG BR2: ON0ULG GMY: ON5VDK
• DON’T FORGET!
ON0CPS BON0ULG B
ON5VDK ON4LRG
D-STAR + Computer
• dChat
• D-Rats
• D-Star Comms
• DV-Dongle
DV DongleAMBE Chip via USB
Java
CompatibleWindows, Mac OSX
en Linux
D-Star + Internet
• D-Star Usershttp://www.dstarusers.org/
• D-Star Infohttp://www.dstarinfo.com/
• www.dstar.be ?
Homebrew• DV Adapter (UT-118)
http://d-star.dyndns.org/
• Based on UT-118
• DVX Projecthttp://www.moetronix.com/dstar/
• Based on AMBE chip
• DV Donglehttp://www.moetronix.com/dvdongle/http://www.dvdongle.com/
