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1. GPS receivers? (score: 1): Author: Mark J Bradakis <mjb@autox.team.net>; Date: Fri, 20 Jun 2003 15:27:21 -0600 (MDT); How accurate and repeatable are currently available GPS devices? My motivation for this actually stems from road racing. Here in the Salt Lake City area, we have racers but no race track. We do have; /html/shop-talk/2003-06/msg00036.html (8,390 bytes)
2. Re: GPS receivers? (score: 1): Author: Steven Trovato <strovato@optonline.net>; Date: Fri, 20 Jun 2003 18:45:21 -0400; Hi Mark. I currently have temporary custody of my father-in-law's Garmin eTrex Legend GPS. I would say that the answer to your question is "not accurate enough". I typically get reported accuracy of; /html/shop-talk/2003-06/msg00037.html (8,524 bytes)
3. RE: GPS receivers? (score: 1): Author: "Randall Young" <ryoung@navcomtech.com>; Date: Fri, 20 Jun 2003 16:04:42 -0700; It's a bit like building a race car : "Accuracy costs money, how accurate do you want to be?" The cheapest handhelds (roughly $150 and under) are only good to about 10 meters (30 feet). Adding WAAS; /html/shop-talk/2003-06/msg00038.html (9,461 bytes)
4. RE: GPS receivers? (score: 1): Author: Steven Trovato <strovato@optonline.net>; Date: Fri, 20 Jun 2003 20:08:15 -0400; Prices have come down. The Garmin unit I am using is available at Amazon for $150 after rebate, and it has WAAS capability. -Steve /// unsubscribe/change address requests to majordomo@autox.team.net; /html/shop-talk/2003-06/msg00039.html (7,978 bytes)
5. Re: GPS receivers? (score: 1): Author: Donald H Locker <dhl@chelseamsl.com>; Date: Fri, 20 Jun 2003 21:14:31 -0400 (EDT); I don't think you'll get sufficient resolution from normal GPS receivers -- their resolution is in the hundreds of feet. Would the airport manager allow you to set surveyors metal disks or such into; /html/shop-talk/2003-06/msg00040.html (9,117 bytes)
6. Re: GPS receivers? (score: 1): Author: mbarre@juno.com; Date: Fri, 20 Jun 2003 20:12:24 -0400; You may be able to adequately mark critical points by an alternative Do you have the ability to mark fixed points just off the pavement? If so, you could either knock some rods or pipe in the ground; /html/shop-talk/2003-06/msg00041.html (8,040 bytes)
7. Re: GPS receivers? (score: 1): Author: Jim Juhas <james.f.juhas@snet.net>; Date: Sat, 21 Jun 2003 09:15:27 -0400; I don't know much at all about GPS, but would it be possible to locate the exact cone locations by imbedding steel pins in the surface, and later locating them with a metal detector? These could be i; /html/shop-talk/2003-06/msg00042.html (8,779 bytes)
8. Re: GPS receivers? (score: 1): Author: Steven Trovato <strovato@optonline.net>; Date: Sat, 21 Jun 2003 10:24:45 -0400; If I ran an airport, I wouldn't let you do that. If they object to paint, I doubt they would let you start drilling holes. I can just imagine the NTSB report, tracing back to some steel pin that some; /html/shop-talk/2003-06/msg00044.html (8,086 bytes)
9. Re: GPS receivers? (score: 1): Author: "Elton Clark" <lotus.tony@airmail.net>; Date: Sat, 21 Jun 2003 12:19:47 -0500; Now the new airport manager has said we can no longer make permanent markings on the surface. And there is also a chance we may have to modify our course to adapt to some changes being made. So a new; /html/shop-talk/2003-06/msg00046.html (8,218 bytes)
10. Re: GPS receivers? (score: 1): Author: "J. Juhas" <james.f.juhas@snet.net>; Date: Sat, 21 Jun 2003 13:49:42 -0400; Yeah, I thought about those kinds of objections, but the "pin" could be a disk about 1" below the surface; think about 2" diameter, 1/8" thick? Probably less destructive potentially than a lot of ord; /html/shop-talk/2003-06/msg00047.html (9,128 bytes)
11. Re: GPS receivers? (score: 1): Author: nick brearley <nick@landform.co.uk>; Date: Sun, 22 Jun 2003 10:21:45 +0100; Mark, As someone else suggested, this is an equation where money plays a large part. If you want true centimetre accuracy from gps then differential gps is the way to go. See http://www.trimble.com/g; /html/shop-talk/2003-06/msg00051.html (9,535 bytes)
12. RE: GPS receivers? (score: 1): Author: "Randall Young" <Ryoung@navcomtech.com>; Date: Sun, 22 Jun 2003 03:37:56 -0700; Interesting, I hadn't realized that my former employer had packaged a beacon receiver in a hand-held unit. However, as usual, their specs are so confusing that no one knows what they mean (including; /html/shop-talk/2003-06/msg00052.html (9,405 bytes)

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