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Uncontrolled copy not subject to amendment Basic Navigation Using Map and Compass

Basic Navigation Using Map and Compass Test 1

Test 1 For this exercise the Grid Magnetic Angle (GMA) is 6° Question 1: What are the grid bearings between the following points? a to b d to e h to i l to m a to p

Test 1 For this exercise the Grid Magnetic Angle (GMA) is 6° Question 2: What are the magnetic bearings between the following points? c to a f to g j to k n to o

Test 1 For this exercise the Grid Magnetic Angle (GMA) is 6° Question 3: What is the magnetic bearing from west to east of the road in GR7854?

Basic Navigation Using Map and Compass Test 2

Observation Post (OP) data Test 2 Observation Post (OP) data OP1 GR 382826 OP2 GR 343873 OP3 GR 394878 OP4 GR 355859 GMA = 6° Question 1: From OP1 you can see stationary vehicles along the track between GR 3783 and GR 3884. The magnetic bearing to the lead vehicle is 353°. Give the 6 fig GR of this vehicle.

Observation Post (OP) data Test 2 Observation Post (OP) data OP1 GR 382826 OP2 GR 343873 OP3 GR 394878 OP4 GR 355859 GMA = 6° Question 2: You are at OP3 and you see a party moving south in open country. You take a magnetic bearing of 264°, OP2 and OP4 also report the party on magnetic bearings of 180° and 18° respectively. Plot these bearings and give the 6 fig GR of the party’s position.

Observation Post (OP) data Test 2 Observation Post (OP) data OP1 GR 382826 OP2 GR 343873 OP3 GR 394878 OP4 GR 355859 GMA = 6° Question 3: You are on the track between GR 4086 and GR 4085 and you need to locate your exact position. You take a magnetic bearing of 210° to the radio mast at GR 3982. Plot the bearing and give the 6 fig GR of your position.

Observation Post (OP) data Test 2 Observation Post (OP) data OP1 GR 382826 OP2 GR 343873 OP3 GR 394878 OP4 GR 355859 GMA = 6° Question 4: You are establishing an OP and need to confirm your position. Using the following information give the 6 fig GR of your position. TARGET POSITION MAGNETIC BEARING Radio mast GR 3988 130° Trig point GR 3488 243° Peak GR 3791 33°

Observation Post (OP) data Test 2 Observation Post (OP) data OP1 GR 382826 OP2 GR 343873 OP3 GR 394878 OP4 GR 355859 GMA = 6° Question 5: Overnight you move position. Confirm your new position by plotting the resection from the following data and give a 6 fig GR. TARGET POSITION MAGNETIC BEARING Trig point GR 3488 353° Radio mast GR 3982 125° Hill 544 GR 3886 72°

Basic Navigation Using Map and Compass Test 3

Test 3 1. Identify the features indicated by the arrows numbered 1 and 2. 2. Give the six figure grid references of the features indicated by the arrows numbered 3 and 4. 3. Measure the road distance between the Roundabout in GR 3710 to Moles farm in GR 3616. 4. Measure the straight line distance between the Church in GR 3415 and the Church at GR 387 122. 5. What is the grid bearing from the Convent in GR 3111 to the Church with tower in GR3212? 6. What is the magnetic bearing from the trig point in GR 3410 to the Church in GR 3712? (For this exercise only-GMA is 100 Mils West)