-------- Original Message -------- Subject: High-accuracy GPS Date: Tue, 14 Dec 2010 13:31:18 -0800 From: Dyallen2 <[log in to unmask]> To: [log in to unmask] Has anybody on this list had experience using high-accuracy GPS? I am involved in a GIS project with my local botanical garden, which requires mapping individual plants with sub-meter accuracy. Most systems that do this seem to cost upwards of $10,000, which is beyond our reach. I stumbled across some information about a DeLorme product called Blue Logger GPS, which claims to do this for about $1000. Has anybody had success using this system, or have other suggestions for low-cost, high-accuracy GPS? David Allen (retired from Stony Brook University, now volunteering for San Diego Botanic Garden)