Nor th Fi N der APS Operators can no w align drill rigs and sur v e y instruments and mor e accuratel y measur e drill hole collars because the APS is not aff ected b y local magnetic interf er ence natural or man made Accurate collar azim uth is vital and can ha v e the gr eatest impact on the fnal endofhole coor dinates T o align the APS it is easil y mounted on a pr epositioned rig a tripod or other objects T o a v oid signal interf er ence the APS should be mounted with no obstructions o v erhead f or GPS integrity Azimuth Poi N ti N g Sy S tem The Refex Nor th Finder is a unique g PS based compass that produces t r ue Nor th azim uth measurements a g PS position and degree of inclination K e y F eatur es and Benefts Accurate up to 035 T rue Nor th Azim uth measur ement No declination cor r ection r equir ed Bluetooth comm unication to PD A with PD A option UTM latitudelongitude coor dinates Longlif e batter y 68 hrs max Submetr e GPS position accuracy Unaff ected b y local magnetic anomalies GPS Integrity Parameter f or mor e accurate azim uth Satellite signal displa y on custom backlit LCD Collar and dir ectional data do wnloadable fr om PD A to PC optional