Re: ARLA/CLUSTER: 1º Repetidor D-Star em Joanesburgo, África do Sul,

[pedro almeida]

E pronto o continente Africano já tem D-STAR.
Para quem defendia que o D-STAR era dos Países "ricos" enganou-se.

73

2011/1/24 João Gonçalves Costa <joao.a.costa  ctt.pt>

> The first digital repeater in Johannesburg is active on the air.
>
> The repeater is on loan from Multisource for demonstration purposes and is
> offering amateurs an opportunity to experiment with D-Star. The system was
> installed and demonstrated during the SA-AMSAT event last Saturday at the
> NARC. Thanks to Ronald, ZS6RVC, Riaan, ZS4PR and Frik, ZS6FZ.
>
> D-STAR, the acronym for Digital Smart Technologies for Amateur Radio, is a
> digital voice and data protocol specification developed by the Japan Amateur
> Radio League. While there are other digital on-air technologies being used
> by amateurs, D-Star is one of the first on-air and packet-based standards.
>
> D-STAR offer clearer signals and uses less bandwidth than its non-digital
> counterparts. As long as the signal strength is above a minimum threshold,
> and no multi-path is occurring, the quality of the data received is better
> than an analogue signal at the same strength.
>
> D-Star compatible radios are available on VHF, UHF, and microwave amateur
> bands. In addition to the over-the-air protocol, D-Star also provides
> specifications for network connectivity, enabling D-Star radios to be
> connected to the Internet or other networks, with provisions for routing
> data streams of voice or packet data.
>
> To operate the D-Star repeater switch any D-Star enabled digital radio to
> DV mode. Tune to 145.6875 MHz with the usual -600kHz offset to talk via the
> repeater. In the radio menu ensure that R1 and/or R2 are set to ZS6TJ. The
> UR can be set to CQCQCQ, and MYCALL should be your own callsign.
>
> The SARL is looking for coverage, signal reports and comments.
>
> Send your comments to armi  sarl.org.za.
>
> Fonte:The South African Radio League
>
>
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>


-- 
Pedro Almeida
   CT5JZX
   IN51OJ
www.ct5jzx.nra.pt
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