[s-cars] In Car MP3 Players

[Kirby Smith]

A watt should be good for a 100m, at least.

No way to tell from here how difficult changing the frequency might be.

kirby

Matt Russell wrote:
>
> Kirby-
> Those are great ideas.
> Believe FCC doesn't allow anything more than 1 watt, or so I remember from
> my college radio days.  But, how do the drive-in movie theaters get away
> with it?  I'm referring to those that offer the soundtrack of the movie if
> you tune to a certain frequency on your car stereo.  1 watt would be more
> than sufficient for the range we're talking about.  Now that I think about
> it, some manufacturers offer wireless modulators that must put out some sort
> of in-car only signal...
>
> As far as the FM freq, I believe most manufacturers of these modulators give
> you only 1 or 2 to choose from.  Is there a way to change that?  Hack in
> somehow?
>
> These all sound like a good ideas.  But going back to Thompson's post with
> the pic of the back of his radio....
>
> http://members.rennlist.com/rennwagen/gammaradio.jpg
>
> I think you might be able to use the 2 inputs in the changer harness labeled
> " Line In L & R" should be where the changers' sound input comes in.  Tap
> into those wires, and you should be set.
>
> Note again that I am only guessing that this is where the signal comes in
> from the changer.
> Anyone have some BTDT on the Bose units?
>
> Linus, any more ideas? I'm thinking that if those are the proper input
> wires, all you'd need now is some sort of line-level converted signal from
> the mp3/iPod player, and you'd be good to go.  Sorry if some of this is
> jumbled.  It's a cool idea, and my mind is going faster than I can type.
>
> -Matt, CT
>
> >From: Kirby Smith <kirby.a.smith at verizon.net>
> >Reply-To: kirby.a.smith at verizon.net
> >To: Matt Russell <skippertgore at hotmail.com>
> >CC: s-car-list at audifans.com, vfugman at globaldialog.com,
> >       uberseehandel at yahoo.com
> >Subject: Re: [s-cars] In Car MP3 Players
> >Date: Sun, 04 Aug 2002 09:56:42 -0400
> >
> >Is the FM frequency adjustable.  One could probably capacitively couple
> >it to either window's antenna at some frequency not used locally.  FM
> >works on a limiting principle, and once Station 1 is several dB above
> >Station 2, at the antenna, it fully suppresses the other station.  With
> >this approach there would not need to be a lot of messing around with
> >the back of the radio.  However, vehicles close to you might pick up
> >what you are playing.  I don't remember what range one can transmit on
> >this band without FCC approval.  It is short, but I don't think it is
> >zero.  Capacitively coupling to the antenna would, I think, provide
> >adequate signal without much emission.
> >
> >kirby
> >
>
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