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Showing results 1 to 8 of 8
Search took 0.00 seconds. Search: Posts Made By: CaptTom
Forum: Marine Electronics 14-09-2023, 05:47
Replies: 57
Views: 5,757
Posted By CaptTom
Re: Radar Reflectors -- observations and musings

Amazing stuff! I'm in awe at how the ancient navigators like the Vikings did it.

I'll just add that their descendants still navigate the world's oceans... but they use AIS. A skilled navigator...
Forum: Marine Electronics 12-09-2023, 12:30
Replies: 57
Views: 5,757
Posted By CaptTom
Re: Radar Reflectors -- observations and musings

No doubt some of them didn't succeed. But that's true with any technology. I'd put their skills against anyone on this forum.

I've talked with the navigator who brought one of their Ocean going...
Forum: Marine Electronics 12-09-2023, 07:06
Replies: 57
Views: 5,757
Posted By CaptTom
Re: Radar Reflectors -- observations and musings

What's all this talk about substitutes?

Use every source of data you've got. The Polynesians sailed the Pacific using (among many other things) the direction of swells reflected off islands.
...
Forum: Marine Electronics 11-09-2023, 16:38
Replies: 57
Views: 5,757
Posted By CaptTom
Re: Radar Reflectors -- observations and musings

Relying on any one technology is foolish. I want access to all the available information for my own decision-making. I don't rely on others to do the right thing. But I do everything in my power to...
Forum: Marine Electronics 11-09-2023, 07:28
Replies: 57
Views: 5,757
Posted By CaptTom
Re: Radar Reflectors -- observations and musings

It's different around here. The moment they leave port, they set the autopilot and go below. You won't raise them until they get to the fishing grounds, and they won't alter course for anyone.
...
Forum: Marine Electronics 10-09-2023, 13:50
Replies: 57
Views: 5,757
Posted By CaptTom
Re: Radar Reflectors -- observations and musings

Excellent point! Commercial and, especially, commercial fishing vessels aren't always looking out the windows.

The crew of a large, steel ship can afford to rely (more) on their electronics. They...
Forum: Marine Electronics 08-09-2023, 08:30
Replies: 57
Views: 5,757
Posted By CaptTom
Re: Radar Reflectors -- observations and musings

... Which is why it's kind of a waste to spend good money on a receive-only AIS. Especially if you're sharing shipping lanes with large commercial vessels.
Forum: Marine Electronics 31-08-2023, 06:34
Replies: 57
Views: 5,757
Posted By CaptTom
Re: Radar Reflectors -- observations and musings

I've also seen the poor test results from those "tube" style reflectors.

What I've always used (and which seem to do OK on the tests) are the diamond-shaped metal reflectors that the fishermen use...
Showing results 1 to 8 of 8

 
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