Re: Re: FM sender with DDAR

["Paul Gordon" <paul_gordon@xxxxxxx>]

Yes, that is my understanding - use a MAX 16V supply for absolute maximum
range according t  the build instructions, lower power = lower range...

Paul G.





>From: jonny.g.farmer@xxxxxxx
>Reply-To: ukha_d@xxxxxxx
>To: ukha_d@xxxxxxx
>Subject: [ukha_d] Re: FM sender with DDAR
>Date: Tue, 31 Jul 2001 20:06:11 -0000
>
>Ihave the Veronica 500Mw transmitter with a 12v 400ma power supply.
>With the standard wire, and properly earthed it gives me 75m range.
>
>Question: Can I reduce the power by using a lower voltage supply?
>
>Cheers
>
>Jonathan
>
>P.S. I a newbie to HA, and have lurked for a while - you all seem
>such helpful chaps (and chapesses - Jenni :-) ) I thought you would
>help!!
>
>--- In ukha_d@y..., "steve@b..." <steve@b...> wrote:
> > I think I remember seeing somewhere that it is legal t  transmit
on
>the
> > radio band, but only for VERY short distances. Dn't remember
where,
>think it
> > was a library book on home made radio trasnmitters which I read a
>while ago.
> >
> > Steve
> >
> > ----- Original Message -----
> > From: "Paul Gordon" <paul_gordon@h...>
> > To: <ukha_d@y...>
> > Sent: Tuesday, July 31, 2001 1:47 PM
> > Subject: RE: [ukha_d] Re: FM sender with DDAR
> >
> >
> > > >
> > > >Thats the legal position, but as Paul says, if no-one
knows
>about it then
> > > >nothing will happen. Just dont tune it t  a frequency
where
>someone will
> > > >overhear it or it wipes out a genuine radio station. IT
probably
>wont go
> > > >for
> > > >more then a few hundred metres anyway....unless you buy
the
>bigger ones
> > in
> > > >which case you are asking to be caught.
> > > >
> > > >
> > >
> > > And there speaketh the voice of the all-knowing Keith! -
quite
>right
> > too! -
> > > my testing suggests I am only getting about 30 metres range
>(although I
> > know
> > > it "should" be able t  go t  a great deal more
than that...), and
>when I
> > > tuned it I did so by turning my Hi-Fi on, manually tuning
through
>the
> > > appropriate part of the FM band until I could hear nothing
>recognisable at
> > > all, and then tuning the transmitter t  that frequency. Thus
I
>know I am
> > not
> > > interfering with anything else locally.
> > >
> > > Paul G.
> > >
>
>


_________________________________________________________________