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D-Star
Full D-Star information can
be found here:
http://www.icomamerica.com/en/products/amateur/dstar/dstar/default.aspx
A note about D-Star:
In emergency communications, DO NOT
plan on using the internet with D-Star, it is not reliable, and
could go down at any time depending on the type of emergency or
disaster. The plan in Arkansas is to have a backbone with linked
D-Star repeaters.
Frequently Asked Questions About D-STAR
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What
does "D-STAR" stand for?
The D-STAR stands for Digital Smart Technologies for Amateur
Radio. It is an open standard digital communication protocol
established by JARL*.
*Japan
Amateur Radio League
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What
can I do with the D-STAR radio?
Communicate in 4.8kbps digital voice (DV) mode and 128kbps data* (DD)
mode. When using DD mode with a PC and the D-STAR radio,
high-speed data communication is possible.
*DD
mode is available with ID-1 only.
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Can I
send data with a voice transmission?
Yes, you can. In DV mode operation only, you
can send up to 950bps of data, such as your call sign, short
data message or GPS position with a voice transmission.
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Can I
make a call with foreign countries?
Yes, you can. The internet gateway sends your call to a remote
D-STAR repeater over the internet. The D-STAR repeater call sign
and IP address must be registered to the gateway server. Some
restrictions may apply based on specific country regulations.
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Can I
use the D-STAR repeater without connecting to the Internet?
Yes, you can use a D-STAR repeaters a local repeater. You can
also communicate with other D-STAR radios directly.
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Can I
receive calls only intended for me?
Yes, you can. The call sign squelch function opens the squelch
only when your call sign is received.
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How do
I set a repeater call sign when I make a call to a desired
station using a D-STAR repeater?
When you communicate with other D-STAR stations, using a D-STAR
repeater, set the repeater’s call sign, the desired station call
sign and your call sign in RPT1/RPT2.
Making a call in the same time zone (without the internet
gateway). Set the uplink repeater call sign in RPT1 and the
downlink repeater call sign in PRT2. When making a CQ call, set
"CQCQCQ" for the desired station call sign.
Making a call in a different time zone (with the internet
gateway). Set the uplink repeater call sign in RPT1 and the
gateway call sign in RPT2. The gateway repeater has "G" setting
for the 8th-digit. When making a CQ call, set "I" plus downlink
repeater call sign at the desired station call sign.
How Can D-STAR Help First Responders Using D-RATS
D-RATS is a multi-platform integrated tool for communication using
D-STAR radios (read
more here  ).
With only a pair of radios (or an entire repeater stack) a variety
of data transmission methods are supported, including:
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