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On 05 Oct 2004 04:30:05 GMT, (Gould 0738) wrote:
Absolute Control
~~ snippity snip ~~
The weekend after we visited with Dave Bingham and John Munroe, we happened to
dock very near "Bingo" at the Port of Poulsbo. Dave had put his boat at the
head of a fairway, in a space just barely large enough to accommodate the
craft. During the weekend, several dock walkers commented on "Bingo's" bristol
appearance and impressive lines. More than a few wondered aloud, "How did he
get that great big boat in here? He must have had to come in sideways!"
There's a very good chance he did just exactly that.
Great article - very interesting.
I'm curious about something though. With the advent of digital FM
transmission in the GHz range available to these devices, it would
appear that the system developers may have overlooked the concept of
RFI. I know here in the house, I had to change the wireless network
to 5.2 GHz because we purchased a three new 2.4 Ghz phones - didn't
even occur to me and I used to do this kind of thing for a living.
Think of it this way. If a broadband FM RFI source (which is not as
impossible as you might think - a wireless computer or wi-fi system
for instance) is close aboard to the vessel, Dave might find his boat
uncontrollable. FM has a phenomena called capture effect - it's like
driving in your car listening to one FM station and it is overridden
by a different FM station and then back to the original station -
that's capture effect - a stronger signal overriding a weaker signal.
It's not a question of digital controls, it's a question of a stronger
signal hammering a weaker one.
All of which is a long winded way to ask have they taken into account
a localized, strong FM RFI source with their controller?
Did you happen to ask about that?
Later,
Tom
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