D-STAR Digital –Smart Technologies for Amateur Radio (40 hours of training presented in 40...
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Transcript of D-STAR Digital –Smart Technologies for Amateur Radio (40 hours of training presented in 40...
![Page 1: D-STAR Digital –Smart Technologies for Amateur Radio (40 hours of training presented in 40 minutes)](https://reader036.fdocuments.net/reader036/viewer/2022062223/551b7d64550346a10a8b4fad/html5/thumbnails/1.jpg)
D-STARDigital –Smart Technologies for Amateur Radio(40 hours of training presented in 40 minutes)
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D-STAR
•What is it ?•Who might like it ?•How to get started ?•What do all the terms mean ?•Where can I use it ?
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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.
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D-Star – What is it ?
•Method of moving voice packets encoded by the AMBE vocoder, locally, regionally, or globally.
D-STAR Network
D-STAR Network
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Who might like it ?
•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 ?
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•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 ?
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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
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Registration Requirements
D-STAR Network
D-STAR Network
NOTREQUIRED
REQUIRED
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Definitions
•AMBE – Advanced Multi-Band Excitation•DV – Digital Voice•Hot Spot•R2D2•D-RATS•Gateway•Reflector
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Look inside the radio
AMBE
2.4kbpsdigitized voice +FEC Controller
4.8kbps(3.6 voice +1.2 data)Modem
GMSK Signal
Analog Speech
D-STAR Network
D-STAR Network
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Look at DV Dongle
AMBE
Computer
Analog Speech
D-STAR Network
D-STAR Network
IP Encapsulation
NOTE: No Radio Present !
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Look at DVAP
D-STAR Network
D-STAR Network
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Look at DVAP
D-STAR Network
D-STAR Network
Typical range:Several hundred feet
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Look at HotSpot (GMSK Modem)
D-STAR Network
D-STAR Network
SimplexRange: Varies with antenna height and output power
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Look at HotSpot (GMSK Modem)
D-STAR Network
D-STAR Network
RepeaterRange – Same limitations as analog repeater
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Existing Oklahoma Network
145.550
145.570
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The Missing Link - Reflectors• 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
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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
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Special Thanks to:
•Mark Holmes – KJ4VO•Jim Moen – K6JM•Fred Van Kempen – PA4YBR•Jim McClellan – N5MIJ
•Guy, Larry, & Ray