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More than you could ever want to know about the many uses of GPS, from pet tracking to golf GPS to geocaching. Will answer virtually all your technical questions, Contains some simple land-based GPS practice exercises.
[Andreas van Hooijdonk, USA]
Brief but important tour through the things that can potentially knock out GPS reception.
[Sail Magazine, September 2002]
An e-mail discussion list about electronic aids. Over 150 subscribers.
[SailNet, Charleston, SC, USA]
For those not using the more accurate Differential GPS, here′s evidence of the errors you will find using GPS for velocity and heading information when moving slowly.
[John Holtrop, Ridgecrest, CA, USA]
Brief compendium of facts and commentary about using GPS. Contains excerpts from hard-to-find bulletin board and newsgroup postings, as well as links to useful sites and vendor pages.
[Bill Dietrich, USA]
Radio Direction Finders are rare these days, but not obsolete. An old RDF could be get you home safely when newer systems, like GPS go down.
[SailNet, 20 January 2001]
Forum for "expanding the use and understanding of Software and Utilities for GPS use." About 50 postings per month. A good place to get a question answered or just browse.
[Yahoo Groups, USA]
The limits of GPS when navigating in close quarters are not about where you are but about where the chart makers thought they were when they charted the rocks. Illustrated with some electronic chart images.
[BVIPirate.com, Houston, TX, USA]
The chapter on hyperbolic navigation systems from the 1995 edition of The American Practical Navigator, originally published in 1802 and updated by NIMA. 18 pages with diagrams and examples on the science behind LORAN. Good if you want to know how the old magic worked; out-of-date.
[I'd Rather Be Sailing, Dania, FL, USA]
What to expect - and what to ask - when you go looking for a GPS plotter. What features are important.
[Marine Electronics Journal, July 2003]It ain′t the things we don′t know that hurt us. It′s the things we know . . . that ain′t so.
Will Rogers
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