On 8/1/2014 2:59 PM, 'Rich Bauer' rk911@yahoo.com [iPad] wrote:
> the gps system is not 100% accurate. when the first mobile 9-1-1 systems were coming on line the FCC mandated an accuracy of between 30 and 300-meters depending on what type of location system was in place (30-meters for GPS and 300-meters for triangulation). GPS technology (the chipset) has vastly improved since then but there is still a small error. I may be wrong but I think the military specs call for a 1-meter accuracy. I know the civilian specs are more than that.
>
The civilian specs call for a "worst-case" accuracy of 7.8 meters --
that's about 23 feet, which is quite enough in some neighborhoods to
show up as your neighbor's house instead of yours.
--
David H. Bailey
dhbailey@davidbaileymusicstudio.com
http://www.davidbaileymusicstudio.com
Posted by: "David H. Bailey" <dhbailey52@comcast.net>
| Reply via web post | • | Reply to sender | • | Reply to group | • | Start a New Topic | • | Messages in this topic (3) |
