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Add one more to the list of interested mariners.
John Paterson
S/V Fine Feather
On 6/13/06, Mike Stover <> wrote:
>
> Let them know that there are more folks interested than just you.
>
> Mike
> ----- Original Message -----
> From: "ahmet erkan" <>
> To: <>
> Sent: Monday, June 12, 2006 8:58 PM
> Subject: Re: lv-ab: Collision Avoidance Via Radio
>
>
> > >I'm not the author, but here's what I'd do.
> > .
> > .
> > .
> > .
> >>Jim.
> >
> > Hi Jim,
> >
> > Unfortunately the list has shown hardly any interest. Your reply and
> > hardware suggestions, however are appreciated at least by me.
> > I received a few off line responses and decided to drop the subject. As
> > they say, win some lose some. The live aboard group is interested in
> stuff
> > that is tried and proven to work. I've been advised to build a
> prototype,
> > test it in an actual voyage and report the results. I will do just that
> in
> > four to five years.
> > Here is what I expect to report :
> > The five minute timer times out every five minutes. (Duh)
> > The transmitter turns on after the timer times out. (Duh)
> > The voice chip sends "any station -any station" when the transmitter
> turns
> > on. (Duh)
> > The transmitter switches off when the voice chip finishes. (Duh)
> > The cycle repeats. (Duh)
> >
> > Again, this workaround scheme will be useful only if there is someone on
> > the bridge of the ship monitoring Channel 16, and responding to a call.
> > What I was hoping to do was something much better. I was hoping to get a
> > team effort going on the list to refine the automatic system with the
> > burst mode operation. I was hoping to write to radio manufacturers and
> > tell them there are hundreds of sailors who are interested and would
> like
> > to see the "electronic lookout" function on a basic VHF radio. Here are
> > the set of requirements we have developed etc etc. (ie: Do the market
> > research for the manufacturer, and let them decide how to implement,
> work
> > out the legal issues and manufacture it.)
> > The radio manufacturer probably cannot implement a design that
> broadcasts
> > voice periodically on Ch 16. (Even if they put a switch for the user to
> > activate it when at high seas)
> > I suspect the manufacturers would do all the sensing at the IF stage
> (ie:
> > detect and integrate the CW for 1mS etc) where the audio circuits would
> be
> > oblivious to the transponder like exchange. basically the whole thing
> > would work like two VHF radios detecting each other automatically and
> > activating alarms completely independent of the radio operators or crew.
> > I am going to send a suggestion to several radio manufacturers anyway
> and
> > ask them if they would consider offering a "electronic lookout"
> function.
> >
> >
> > All the best,
> > Ahmet
> > SV8827
> >
> >
> >
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