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Stark Tables: For Clearing the Lunar Distance and Finding Universal Time by Sextant Observation Including a Convenient Way to SharpeCelestial navigation is a way to find your latitude and longitude on earth using a sextant to measure the angular heights of celestial bodies above the horizon. It has been used by mariners at sea and explorers on land for three hundred years, and it is still used today as a dependable backup to modern electronic navigation. Routine celestial navigation relies upon accurate time (Universal Time) to find the longitude of a position (latitude does not
Celestial navigation is a way to find your latitude and longitude on earth using a sextant to measure the angular heights of celestial bodies above the horizon. It has been used by mariners at sea and explorers on land for three hundred years, and it is still used today as a dependable backup to modern electronic navigation. Routine celestial navigation relies upon accurate time (Universal Time) to find the longitude of a position (latitude does not require time). Advanced celestial navigators can find longitude without knowing the time using a technique called Lunar Distance. In this technique, the sextant is used to measure the angular (diagonal) distance between the moon and another celestial body. Since this distance slowly changes as the moon moves eastward though the stars, it can be used to find the time of day that is needed to complete the longitude determination. The process of finding longitude from lunar distance, however, requires special tables that have not been published in the Nautical Almanac or other sources since the early 1900s. Although software solutions have been available, most advanced celestial navigators are very grateful to navigation historian Bruce Stark for creating these printed tables dedicated to this task. They have been used and tested by mariners for more than 15 years and are praised by experts for their ingenuity and ease of use in solving this complex navigation exercise-which all agree is the hallmark of an expert celestial navigator. With The Stark Tables in your nav station, you no longer have to fear losing power to your electronic navigation aids, nor are you dependent on accurate time from any official broadcast. Besides their practical use in back up navigation, historians have used these tables for years to interpret the logbooks of Lewis and Clark, David Thompson, James Cook, Matthew Flinders, George Vancouver, Nathaniel Bowditch, and other notable explorers and sea captains. "It is remarkable in this day when the very survival of celestial navigation seems in question, that an individual should suddenly appear on the scene and present to the world such a brilliant piece of work. Stark has rendered a great service to the celestial navigation community." - Robert Eno, The Navigator's Newsletter "Captain Cook would have relished using these tables, had they been available to him then." - George Huxtable, FRINBinding Type: Paperback
Publisher: Starpath Publications
Published: 05/27/2010
ISBN: 9780914025214
Pages: 340
Weight: 1.69lbs
Size: 11.00h x 8.25w x 0.71d
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Product Reviews
★★★★★ 5
Good one, fair price, dependable, would buy again
Color: Gray, Size: 128 GB, Style: Tab A11+
Very satisfied, great screen, when you turn off the default screen setting, is really fast, Manufacturer tries to load too much of their stuff, got to go thru and shut it down one at a time, Overall I am very satisfied!
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Thin, Light, Very Functional - Fantastic tablet
Color: Gray, Size: 256 GB, Style: Tab A11+, Color: Gray, Size: 256 GB, Style: Tab A11+
First off you only get a tablet, an USB-C to USB-C cable, quickstart instructions and Sumsung care info. That's it. No charger, no nothing else. Even the screen doesn't come with a protector, the tablet itself comes in a fabric/paper like bag.
So advice: Buy a screen protector and/or case for this tablet! It's very thin and light weight!
The tablet itself is fantastic. It plays all the games so far I threw at it, even the graphic intense ones. Compared to some Chinese ripoffs, this shines like a champ. The 256 gigs of space is plenty and 8 gigs of ram help alot! Truly the tablet is great for my use - Playing games and watching videos.
I'm a little upset for the fact that it doesn't come with any charging device, but my phone's charger works fine. The USB-C to USB-C cable may come in handy (but my old PRO12 tablet uses the older usb port).
Overall I'm very pleased with it. The games I played on my Moto G phone play fantastic on the A11+ plus it can play much more. Also I don't stream so I put videos on the tablet. My old tablet I had to convert them to make the compatible. The A11+ and Android 16 shines here. It can play most all my videos without conversion, even 4k HDR videos natively! And the sound it great with four speakers as well!
Only downfall is the warranty. When I registered the tablet says something about the country of origin so I don't have warranty for the tablet.
Just remember to have a charger for it, screen protector and I recommend a case!
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Reviewed in the United States on April 17, 2026
★★★★★ 5
All you need in retirement
Color: Gray, Size: 256 GB, Style: Tab A11+
Great purchase in comparison with Fire and the Tab S. Does everything I need it to do: read books, email, pay bills, chat, etc. The price was right and it's a good solid tablet without too much complications. I have a Samsung Galaxy smartphone so both are complementary to each other. One comment, Samsung does not provide an actual plug, just the cable...not the best customer service act for sure but seems like all of them are doing it now. Otherwise, I'm pleased with it.
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Reviewed in the United States on April 22, 2026
★★★★★ 4
No Fingerprint reader.
Color: Gray, Size: 128 GB, Style: Tab A11+
Nice tablet. I find the video quality to just OK. That may be because I haven't found the optimal settings. The biggest drawback is my fault for sure. The tablet doesn't have a fingerprint reader. All my phones and previous tablets had that. I now know it a higher end feature. But as a casual tablet this is fine.
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Reviewed in the United States on April 24, 2026
★★★★★ 5
amazing tablet
Color: Gray, Size: 128 GB, Style: Tab A11+
absolutely love this tablet. It’s easy to use in perfect size. The screen has great resolution in the speakers wow. It also charges quite fast and keep the charge for quite a long time.
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Reviewed in the United States on May 6, 2026