ARLA/CLUSTER: Non-Icom Repeater Joins Network

João Costa > CT1FBF ct1fbf
Sábado, 22 de Agosto de 2009 - 15:11:02 WEST

Non-Icom Repeater Joins Network

D-STAR has always been touted as an open standard and has been evidenced by
the development of software and applications such as DPlus, D-RATS,
DSTARMONITOR and others. Now, an effort is under-way to develop a D-STAR
repeater package based on non-Icom hardware and Gateway software. David
Lake, G4ULF, and members of the Ashdown Forest Repeater Group in the UK have
the GB7MH repeater and prototype software on the air and operating.

The hardware is a modified Tait T800 repeater operating in full GMSK mode
with the D-STAR standard 6.25 KHz bandwidth. The repeater uses the GMSK Node
Adapter developed by Satoshi Yasuda of Japan. With the cooperation and
support of the Trust Server Team in Texas, the repeater is connected to the
G2 network and is running popular software including the DPLUS module
developed by Robin Cutshaw, AA4RC, and Pete Loveall’s DSTARMONITOR code

The system is capable of full callsign routing to and from the live G2
network, provides station updates and includes a self-service registration
page similar to the Icom registration. The system is undergoing rigorous
testing to ensure the integrity of the worldwide G2 network. The software
will not be made available until testing has been completed. The repeater is
usually connected to REF005A.

David would like to acknowledge the hard work of many who are working on
this project including Sato-shi Yasuda, Robin Cutshaw, Jim McClellan, Darren
Storer, Pete Loveall, Iain Phillips and members of the Ashdown Forest
Repeater Group. This effort represents an exciting step in the evolution of
the D-STAR technology and is worth following closely as development

The evolution of D-STAR repeaters began with the commitment of Icom to
implement the JARL standard on not only radios, but repeater infrastructure
and software. The tremendous growth of D-STAR has opened the door for
developers and other experimenters in Amateur Radio to implement new
features and capabilities on the digital platform.
You can follow the developments of the GB7MH D-STAR repeater project at

Fonte: D-STAR Info Newsletter.
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