Transcript D-STAR Presentation

D-STAR
Digital –Smart Technologies for
Amateur Radio
(40 hours of training presented in 40 minutes)
D-STAR
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What is it ?
Who might like it ?
How to get started ?
What do all the terms mean ?
Where can I use it ?
D-Star – What is it ?
D-STAR (Digital Smart Technologies for
Amateur Radio) is a digital voice and data
protocol specification developed as the result of
research by the Japan Amateur Radio League to
investigate digital technologies for amateur radio.
D-Star – What is it ?
• Method of moving voice packets encoded by the
AMBE vocoder, locally, regionally, or globally.
D-STAR
Network
Who might like it ?
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Do you like VHF & UHF comm ?
Do you like DX ?
Do you like EchoLink ?
Do you like Packet ?
Do you like Computers ?
Do you like APRS ?
Do you like writing software ?
How do I get started ?
• No D-Star Radio Required
▫ DV Dongle
• D-Star Radio Required
▫ DVAP (DV Access Point)
▫ D-Star Hot Spot
▫ D-Star Repeater
How do I get started ?
• Step 1 – Hardware
▫ Choose your access method
• Step 2 – Registration*
▫ Register your call sign
▫ WARNING !
▫ Ask for recommendations on where to register
• Setp 3 – Talk
Registration Requirements
NOT
REQUIRED
REQUIRED
D-STAR
Network
Definitions
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AMBE – Advanced Multi-Band Excitation
DV – Digital Voice
Hot Spot
R2D2
D-RATS
Gateway
Reflector
Look inside the radio
Analog
Speech
2.4kbps
digitized
voice +FEC
AMBE
4.8kbps
(3.6 voice +
1.2 data)
Controller
GMSK
Signal
Modem
D-STAR
Network
Look at DV Dongle
Analog
Speech
Computer
IP
Encapsulation
D-STAR
Network
AMBE
NOTE: No Radio Present !
Look at DVAP
D-STAR
Network
Look at DVAP
Typical range:
Several hundred feet
D-STAR
Network
Look at HotSpot (GMSK Modem)
Simplex
Range: Varies with antenna
height and output power
D-STAR
Network
Look at HotSpot (GMSK Modem)
Repeater
Range – Same limitations
as analog repeater
D-STAR
Network
Existing Oklahoma Network
145.550
145.570
The Missing Link - Reflectors
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Repeaters for Repeaters
Chat-Room
http://nefl-dstar.com/blog/2011/01/13/2559/
http://hotera.org/training%20aids/TA001.htm#What
• REF030C – SE US – HF net
• REF052B – Oklahoma network
Resources
• http://dstarinfo.com
• http://dstarusers.org
• http://www.moencomm.com
▫ http://www.k6jm.com/hs-setup.htm
• http://groups.yahoo.com
▫ dstar_digital
▫ gmsk_dv_node
▫ DStar-Gateway
• http://dutch-star.eu
• http://www.k5tit.org
• http://ok-dstar.blogspot.com
Special Thanks to:
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Mark Holmes – KJ4VO
Jim Moen – K6JM
Fred Van Kempen – PA4YBR
Jim McClellan – N5MIJ
• Guy, Larry, & Ray