- Paperback: 208 pages
- Publisher: Mountaineers Books; 2nd edition (November 1998)
- Language: English
- ISBN-10: 0898865921
- ISBN-13: 978-0898865929
- Product Dimensions: 0.5 x 5.5 x 8.5 inches
- Shipping Weight: 10.4 ounces (View shipping rates and policies)
- Average Customer Review: 15 customer reviews
- Amazon Best Sellers Rank: #12,174,221 in Books (See Top 100 in Books)
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Gps Made Easy: Using Global Positioning Systems in the Outdoors Paperback – November, 1998
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It is invaluable as a reference and for anybody who wants to know more than how to push a button.
I would never, ever, travel to any remote area without at least two good compasses and the requisite topos. Yes, I love my GPS - but I have to replace it because it was lost (along with a daypack) in a self-arrest on Mt. Moran last summer. Batteries run down and wars may make the system less accurate (or unavailable). All of these issues are covered in this fine little book.
GPS technology is wonderful and the EU plans to launch yet another system in the next decade. The devices will become more affordable -- but the fundamental aspects of mapping and how these devices work is well explained by this fine reference and it will remain the reference for years to come.
details to GPS that are not explained in depth that would make this a more valuable resource to keep around.
It does cover most practical points and should be a handy guide. Make sure that you get the most recent (at this time 5th)
edition, this is really important, as GPS devices and what they can do has changed greatly since the book
first came out.
Even if you only read the first 4 chapters of this book, you will gain an ability to interact and control your GPS well. The main thing this author does for you is systematically explain things such as ROUTES, MAP DATUM, GRIDS, BEARINGS, COMPASS and WAYPOINTS. Via his discussion, you can check your own GPS to see what settings it is aligned to and make intelligent changes if you need to.
To give an example, in my case, I had the GPS first and then struggled to use it for geocaching. One thing I learned was why my GPS always seemed "off" the mark by quite a bit. This had to do with the settings in my GPS being WAAS enabled or not. This info was not in the literature that came with my GPS that I could see.
Also, his discussion on satellites and how a GPS relates to them provides you with an idea about accuracy and why the numbers on your GPS display may change the way they do when you are out and about.
The chapters after 1-4 tend to be specific to particilar kinds of uses and may or may not be useful to you. I recommend looking at the table of contents to see if your specific use for a GPS is listed. Nonetheless, the first 4-5 chapters are very helpful. You will have to re-read some of it a couple of times to remember some of the acronyms and practice with your GPS to get the most out of this book.
I was a little annoyed by being told repeatedly to go back to previous chapters to read something explained there when a short reminder could have been included on the spot. And none of the figures are numbered so you have to figure out which figure is being referred to. A reference section list some vendors of receivers and ancilary items along with their phone mumber but there are no Web pages listed and sometimes a product name and number are listed without the manufacturer's name. Letham tells you that antenna sensativity is important bud doesn't go on to explain what the values are or mean and whether high or low values are better when comparing units.
In spite of these annoyances this is a useful book which could keep you from making a costly mistake if you read it before you buy your receiver. And the practical examples will help you understand what techniques might work in your application.