<div dir="ltr"><div class="gmail_extra">A few options I have experience with:</div><div class="gmail_extra"><br></div><div class="gmail_extra">- The AMOD AGL3080 is pretty bare-bones, but it works well and interfaces easily with a computer even without any special software (basically, it works like a flash drive; the files are stored in NMEA format, which you can convert to OSM's GPX format with gpsbabel). SirfStar III chipset, which was the state of the art a couple of years ago and still pretty good. Supports GPS and WAAS (satellite corrections).</div>
<div class="gmail_extra"><br></div><div class="gmail_extra">- The eTrex series from Garmin support GPS and GLONASS; also pretty easy to work with, since it converts tracks and waypoints to GPX when you connect to a PC. You can load OSM maps on the model 20 and model 30. Supports WAAS. From a "geek" perspective the logging isn't very thorough; there's no speed, accuracy, or satellite data kept on the GPX log.</div>
<div class="gmail_extra"><br></div><div class="gmail_extra">- A few weeks ago I picked up a Blackvue DR500-GW dash camera off of Amazon.com; this device logs audio and video, along with GPS. The GPS log appears to be a slightly-modified version of NMEA with timestamps. I'm not sure if it supports WAAS or GLONASS offhand. I really haven't tried to do much with its logs yet.</div>
<div class="gmail_extra"><br></div><div class="gmail_extra">FWIW I think GPS is still pretty important, particularly since NAIP is always behind ground truth (there's a 3-year cycle on collection, plus about another year of processing time before we get our hands on it) and there's no guarantee our corporate benefactors will continue to provide newer imagery.<br>
<br clear="all"><div><br></div><div>Chris</div><div><br></div></div></div>