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D-STAR. Digital –Smart Technologies for Amateur Radio (40 hours of training presented in 40 minutes). D-STAR. 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 ?.
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D-STAR Digital –Smart Technologies for Amateur Radio (40 hours of training presented in 40 minutes)
D-STAR • 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 ? • 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 • AMBE – Advanced Multi-Band Excitation • DV – Digital Voice • Hot Spot • R2D2 • D-RATS • Gateway • Reflector
Look inside the radio 2.4kbps digitized voice +FEC 4.8kbps (3.6 voice + 1.2 data) Analog Speech GMSK Signal AMBE Controller Modem D-STAR Network
Look at DV Dongle Analog Speech IP Encapsulation Computer D-STAR Network NOTE: No Radio Present ! AMBE
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 • 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: • Mark Holmes – KJ4VO • Jim Moen – K6JM • Fred Van Kempen – PA4YBR • Jim McClellan – N5MIJ • Guy, Larry, & Ray