EVALUATION OF GPS FOR PRECISE ARTILLERY SURVEY POSITIONING AND POINTING

Authors
  1. Vinnins, M.F.
  2. Apps, R.G.
Corporate Authors
Defence Research Establishment Ottawa, Ottawa ONT (CAN)
Abstract
Four GPS receivers: the Plessey PA9052, Ashtech XII, Trimble TRIMPACK and Magellan NAV1000M, were evaluated for performance and suitability for the positioning and pointing of artillery. Specifications for accuracy in positioning and pointing, as defined by STANAG 2373, are 17.5 metres (CEP) and 0.60 mils, respectively. The receivers were evaluated for static positioning, short and mid-range (approximately equals to 11km) waypointing (bearing determination), differential positioning and waypointing, kinematic positioning and general receiver characteristics. The evaluations were carried out in March of 1991 and while Selective Availability (SA) was not implemented. Static positioning (without SA) met artillery specification. Bearing determination to a given waypoint, both short and mid-range, was 50 to 90 mils but improved under differential GPS processing to better than 2 mils. Kinematic survey yielded indeterminate results. TRUNCATED
Report Number
DREO-TN-91-38 — Technical Note
Date of publication
15 Oct 1991
Number of Pages
64
DSTKIM No
92-01033
CANDIS No
103924
Format(s):
Hardcopy;Originator's fiche received by DSIS

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