Jasumback, Anthony E.. 1996. GPS Evaluation: West Coast Test Site. 9671 2341. Missoula, MT: U.S. Department of Agriculture, Forest Service, Missoula Technology and Development Center.
In November 1995, four GPS receivers were tested on the newly established Clackamas GPS test course on the Mt. Hood National Forest. The receivers used were the Trimble Pro XL, GeoExplorer, CENTURION, and the Rockwell Collins PLGR (Precision Lightweight GPS Receiver). The CENTURION and PLGR are PPS (Precise Positioning Service) receivers. The results are presented in this report.