g e o rg ia d -s t a r1)-d-star-basics.pdf(repeater firmware upgrade required) data 1200, 3600 bps...
TRANSCRIPT
Georgia D-STAR
Georgia D-STAR
Georgia D-STAR
0
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60
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0102030405060708090100
Rea
dab
ility
Signal Strength %
Digital vs Analog
Digital
Analog
Threshold
Georgia D-STAR
Narrowband Digital
Georgia D-STAR
D-STAR DMR/MotoTRBO System Fusion
Number of users >41,000 10,282 >1,000
Repeaters 3,190 1,235 >1,000 (most operating in mixed or
FM modes)
Bandwidth 6.25 KHz 7.6 KHz 7.6-9 KHz
Channel spacing 10, 12.5 KHz pairs 12.5 KHz pairs 20, 25 KHz pairs
Repeater Linking Open via Internet (DPLUS or
ircDDB)
Proprietary (Motorola IPSC) or
Hytera, via Internet
Not yet available
Wires-X nodes connect to radio
Linking / routing control Determined by user, sent from
radio
Defined by admin, sent from
radio
Not yet available for repeater
(Repeater firmware upgrade
required)
Data 1200, 3600 bps
128 kbps (1.2 GHz)
SMS only implemented in
Amateur Radio version
4800, 9600 bps
Radio Programming Front panel, software Licensed software Front panel, software
Other user devices Multiple vendors (Dongle,
DVAP, GMSK modems, hotspot
adapters)
Multiple radio vendors,
proprietary networking
Not yet
Georgia D-STAR
Georgia D-STAR
Georgia D-STAR
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500
1000
1500
2000
2500
3000
2007 2008 2009 2010 2011 2012 2013 2014
Repeaters
0
200
400
600
800
1000
1200
1400
20072008200920102011201220132014
Gateways
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
2008200920102011201220132014
Users
Georgia D-STAR
Georgia D-STAR
Georgia D-STAR
Georgia D-STAR
Georgia D-STAR
Georgia D-STAR
Linux Gateway PCRunning G2 Gateway software
Runs third-party apps, Dongle, DVAP
Georgia D-STAR
one and only one
Georgia D-STAR
Step 1 callsign
16
Georgia D-STAR
Step 2
Georgia D-STAR
Step 3
Note: You only need one terminal, a “space” for use. Adding more terminals can add confusion
Georgia D-STAR