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Old 20 January 2002, 17:16   #11
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Hah - stuck on seventy now !
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Old 21 January 2002, 03:40   #12
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Alan, John et al.............

>>Do you have any references at all to back up your rumour, or are you just spreading fear, uncertainty and doubt? <<

I do not indulge in any of the above John! I merely reported what I had heard.

I got the info from a friend who was told this during his Day Skippers course in the last couple of weeks.

This was apparently backed up by various members of the RNLI who were also on the course.

I queried this at Brighton Marina chandlers over the weekend and was told exactly the same thing by them! A visiting sailor who overheard our conversation said he had heard about it in France.

I have spoken to others at Chichester Marina and they confirm the rumour.

Now either someone is speading rumours around the south coast and this is being believed by quite a few professionals or there is some truth in it.


Nick
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Old 21 January 2002, 03:59   #13
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From what you say, I think we can take it as a fact that people are spreading rumours -- including you

It seems surprising to me that everyone who has heard this rumour appeared to believed it, yet as far as I can tell no one has offered any form of evidence to back it up . . .

John
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Old 21 January 2002, 05:50   #14
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Just goes to show that some of the " professionals" are not quite as good as they think they are! and if you where talking to a yachtsman, well you know the answer to that!!!
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Old 21 January 2002, 09:46   #15
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Checking on the US coastguard site (USCG are responsible for civilian GPS matters) their most recent published data, from a couple of days ago, gives no indication of selective availability being in use again. Given the litigious nature of US citizens and corporations, it would be a pretty safe bet that USCG would not be telling us that GPS is working accurately if that were not the case.

Also IGEB (as mentioned by John) have a very definite statement dated 17 September 2001 which inter alia states:
GPS Selective Availability (SA) has not been used since its deactivation by the President on May 1, 2000. At that time, the United States Government stated that it has no intent to ever use SA again. There has been no change in this policy.
The full text of the selective availability anouncement can be found on this page.

But hey, we all need a bit of conspiracy theory from time to time........, or does somebody out there have proof to the contrary?????
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Old 21 January 2002, 11:37   #16
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I think that this is building into a bit of an 'URBAN LEGEND' for more of the same try this site:

http://www.snopes2.com/index.html

Cheers

Keith (a legend in his own lunchtime) Hart
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Old 21 January 2002, 15:37   #17
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News from Florida...............GPS working excellent. WASS is enabled and accuracy is within 6 ft - 8 ft. range on the open ocean off Florida coast. Brisk water temperature (62 degrees F.) Grouper are inshore... hanging out near underwater paltforms and wrecks. For me it is critical to be "right-on" my spot and dive the mark to be effecient and produce fish in my boat for my shop. Yes, GPS works fine, I do not use a differential with it, however I have downloaded WASS program directly from Garmin web site onto my Garmin 168 plotter/ depthrecorder. Suggest you do the same to if possible to get as accurate if WASS satalite is available in UK.
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Old 21 January 2002, 19:37   #18
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John kennett, you know how much I admire you and your deep knowledge of this subject but is it really fair to nick to chide him for spreading fear, uncertainty and doubt. A brief glance at any of the world's major troublespots shows that they are dominated by men who preach love, peace and goodwill to all. As for spreading rumours, I heard our friend osama is mightily cheesed off at the downgrading of gps accuracy as now he doesn't know where he is himself.
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Old 22 January 2002, 02:05   #19
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Talking about the accuracy of gps.....

After Christmas, when we were up in Scotland I was trying out my gps for the first time. I stood outside of our house and 'marked' my position. I proudly announced to my wife, whilst showing her the screen, "Look, I can now tell you exactly where we are."

"I already know that", she replied, "We're outside the front of our house!"

She has a marvelous way of putting me in MY place.

Cheers

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Old 22 January 2002, 04:31   #20
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Yachties only for the Day Skipper?

Alan P.

Are you assuming that everyone on a Day Skipper Course is a member of the rag & stick fraternity?

Some of them might be ribsters like me out to improve their nav skills in case their Chart Plotter/GPS packs up.

ChrisD.
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