topographic quad maps, and NOAA nautical charts. It features an STMicroelectronics Cartesio chipset and DeLorme ConstantLock technology, allowing it to acquire satellite images quickly and retain them in the most difficult GPS environments. In addition, the Earthmate PN-40 boasts a plethora of outdoor tools, such as a 3-axis electronic compass, a sensitive barometer altimeter, and an on-board base map with major highways and thoroughfares, as well as secondary and connector roads (US only). Additional features of the DeLorme Earthmate PN-40 GPS receiver include 500MB of internal flash memory, an SD card for an additional 32GB of memory, and support for 1000 user-defined waypoints, 50 routes, and 10 tracks. The DeLorme Earthmate PN-40 retails for $399.95 and comes with a 1 year limited warranty.
