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FM 17-98 SCOUT PLATOON

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Figure 2-12. Route chart for compass and odometer navigation method.<br />

Fires. Using artillery or mortars to fire smoke (during the day) or ground-burst illumination (day or night) can provide<br />

a useful check on estimated locations or preplanned targets.<br />

Global positioning systems. Global positioning systems (GPS) receive signals from satellites or land-based<br />

transmitters. They calculate and display the position of the user in military grid coordinates as well as in degrees of<br />

latitude and longitude.<br />

Most GPS navigation readings are based on waypoints, the known positions entered into the system’s memory. The<br />

platoon leader identifies points along the route or at the destination and designates them as waypoints. Once waypoints<br />

are entered in the GPS, the device can display information such as distance and direction from point to point.<br />

NOTE: In using the GPS, the platoon leader must remember that waypoints are only one of several navigational

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