[OZAPRS] Voice Alert

[Andrew McDade]

I think its a general cosensus... We've changed ( changing ) to 123hz in
Adelaide.

73 .. Andrew .. VK5EX


----- Original Message -----
From: "Dave Horsfall" <dave at horsfall.org>
To: <ozaprs at marconi.ics.mq.edu.au>
Sent: Thursday, July 29, 2004 10:14 PM
Subject: Re: [OZAPRS] Voice Alert


> On Wed, 28 Jul 2004, Robert Bruninga wrote:
>
> > >Have we settled on 123Hz? [for voice alert?]
> >
> > I'm kicking myself for having chosen 100 Hz in the USA not realizing
> > that some countries have 50 Hz power systems making that impossible.
>
> You, and many others before you :-(
>
> Silicon decoders, for example, come with a 120Hz notch filter, but *not*
a
> 100Hz filter.
>
> Hey, aren't there supposed to be more countries on 50Hz than 60Hz?
>
> -- Dave
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