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FAQs

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A:
Unfortunately, there is nothing that can correct for wheel slippage in the odometer feed as it relates to dead reckoning. However, TACNAV does compare its calculated distance against the distance traveled according to GPS. If there is a discrepancy between the two, TACNAV will temporarily adjust the odometer calibration factor to compensate for the difference.
A:
Power lines have an insignificant effect on the TACNAV compass, unless you are next to a large substation with transformers. The lines themselves are typically too high to affect the compass. However, they may interfere with GPS reception.
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No, TACNAV is a magnetic-based system and does not drift.
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Yes. TACNAV systems have been used in combat and peacekeeping operations since the early 1990s.
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TACNAV Light's integrated odometer/compass/gyro dead reckoning function is accurate to within 1.5-3% of the distance the vehicle has traveled.
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Compass calibration will be required whenever the TACNAV-equipped vehicle travels into another magnetic latitude. If, for example, the vehicle is airshipped to another field of operation, calibration would be required. TACNAV features a display that will indicate when the calibration is questionable.
A:

Both TACNAV Light/GPS and TACNAV Light tactical navigation systems are designed for light military vehicles, and provide reliable, affordable navigation. Whereas both systems offer the same navigational performance, the TACNAV Light requires interface to an external GPS receiver, while the TACNAV Light/GPS has a GPS embedded in the sensor mast. 

A:
Both TACNAV Light and TACNAV TLS provide critical navigation data to military vehicles worldwide, with dead reckoning capability of 2-3% distance traveled. TACNAV Light is designed for use aboard non-turreted vehicles, such as those in the infantry carrier, command and control, scout, HMMWV, smoke, and ambulance fleets. TACNAV TLS is designed for turreted vehicles, and is capable of linking to a laser range finder to provide far target location to within >300 meter at 5 km. In addition, TACNAV TLS can be upgraded with the T-FOG Upgrade, which adds fiber optic gyro precision and accuracy to this field-proven system.
A:

Complete specifications for the TACNAV Light system can be found in the product brochure available for download from the M100 GMENS product page.

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