DSTAR Digital Smart Technologies for Amateur Radio 40
- Slides: 19
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 Echo. Link ? 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 D-STAR Network
Definitions • • AMBE – Advanced Multi-Band Excitation DV – Digital Voice Hot Spot R 2 D 2 D-RATS Gateway Reflector
Look inside the radio Analog Speech 2. 4 kbps digitized voice +FEC AMBE 4. 8 kbps (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 Hot. Spot (GMSK Modem) Simplex Range: Varies with antenna height and output power D-STAR Network
Look at Hot. Spot (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%20 aids/TA 001. htm#What • REF 030 C – SE US – HF net • REF 052 B – Oklahoma network
Resources • http: //dstarinfo. com • http: //dstarusers. org • http: //www. moencomm. com ▫ http: //www. k 6 jm. com/hs-setup. htm • http: //groups. yahoo. com ▫ dstar_digital ▫ gmsk_dv_node ▫ DStar-Gateway • http: //dutch-star. eu • http: //www. k 5 tit. org • http: //ok-dstar. blogspot. com
Special Thanks to: • • Mark Holmes – KJ 4 VO Jim Moen – K 6 JM Fred Van Kempen – PA 4 YBR Jim Mc. Clellan – N 5 MIJ • Guy, Larry, & Ray
