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Old 08-03-2019, 12:36   #1
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Trimble?

Anyone know what this is? I saw it on a blue water cruiser. Looks like an antenna.

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Old 08-03-2019, 12:39   #2
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Re: Trimble?

GPS



(and four more characters to meet minimum response)
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Old 08-03-2019, 12:41   #3
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Re: Trimble?

The word 'antique' springs to mind, they were one of the early GPS makers. Wonder if it still works?
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Old 08-03-2019, 13:34   #4
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Re: Trimble?

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The word 'antique' springs to mind, they were one of the early GPS makers. Wonder if it still works?
A GPS? I've been around boats long before 1990, which was the age of the boat. Hmmmm.... Maybe there is a sundial on the top for the time piece.
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Old 08-03-2019, 13:41   #5
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Re: Trimble?

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Old 08-03-2019, 13:43   #6
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Re: Trimble?

https://www.trimble.com/survey/index.aspx

Has the boat ever been used to survey navigable waters?
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Old 08-03-2019, 13:56   #7
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Re: Trimble?

Trimble was one of the first to offer small boat GPS. They got out of the small boat market a long time ago and now (I think) specialize in equipment for surveying via gps.
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Old 08-03-2019, 16:11   #8
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Re: Trimble?

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Wow, Gord! That is some serious history! Begs the question, ...where have I been? Thank you!

Marine survey? No idea. Makes more sense that it was added from a previous older boat when the first owners bought this one.
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Old 08-03-2019, 16:13   #9
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Re: Trimble?

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Originally Posted by Fiveslide View Post
https://www.trimble.com/survey/index.aspx

Has the boat ever been used to survey navigable waters?
I've been all over the Trimble website, and the only things that looked similar had mirrors/prisms on it, sitting atop a pole that a surveyor's helper (rodman) walked along the survey route with.
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Old 08-03-2019, 16:28   #10
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Re: Trimble?

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I've been all over the Trimble website, and the only things that looked similar had mirrors/prisms on it, sitting atop a pole that a surveyor's helper (rodman) walked along the survey route with.
Those you saw are 360° prisms used with robotic total stations. Your piece of equipment is most likely an older gps receiver that was capable of plugging into a laptop for navigation, just giving a position.

I've actually used Trimble gps equipment, haven't seen that exact piece, but it has to be something like that.

Bonus is, it is likely extremely accurate, if it still works.
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Old 08-03-2019, 21:57   #11
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Re: Trimble?

Trimble made marine gps units that yiu could enter waypoints and nav Too. But no maps. Just dots and lines. ~15 years ago?
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Old 09-03-2019, 04:02   #12
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Re: Trimble?

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Trimble made marine gps units that yiu could enter waypoints and nav Too. But no maps. Just dots and lines. ~15 years ago?
Over 30 years ago, I saw advertising for their ±$35,000 marine GPS unit.
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Old 09-03-2019, 04:35   #13
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Re: Trimble?

Trimble Flightmate was the first GPS I flew with, we got them as we were going to Bosnia in Dec 1995
https://cybarcode.com/trimble/gps/ha...flightmate_gps

Trimble was good equipment
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Old 10-03-2019, 00:25   #14
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Re: Trimble?

For a number of years I drove tractors and large farm machinery with Trimble gps autosteering gear. Phenomenal accuracy, regularly 30mm or just over an inch.
Their agriculture and industry gear is top notch.
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