MATT 5 Navigation Flashcards
Direction of WEST in mils is?
4800 mils
Direction of SOUTH in mils?
3200 mils
Direction of EAST in mils
1600 mils
How many mils in a circle
6400 mils
Name 4 ways that scale can be expressed on a map?
Statement (in words), Scale line, Ratio, Fraction
What resource can be used to accurately plot and extract a six figure grid reference from a 1:50k map?
Romer (found on a compass or a protractor)
What is the value of the smallest divisions on a lightweight compass
50 mils
What acronym is used to remember the principles when relating the map to the ground?
DDCRAPS. Direction, Distance, Conventional Signs, Relief, Allignment, Proximity, Shape
What action should you take if you suspect that your military GPS receiver using the P (Y) code is being JAMMED or SPOOFED?
Apply shielding countermeasures, report it up the chain of command and double check GPS coordinates with the map
What does the acronym VAGS stand for?
Vertical interval, Age, GMA, Scale
Due to the effect of ferrous metal objects on the compass needle, the minimum distance you must be away from soft skinned vehicle when taking a bearing Is?
20 metres
What terminology is used to describe basic procedure used to protect a GPS receiver in a NAVWAR environment
Shielding
The two NORTHS normally used in map reading are
Grid North and Magnetic North
Describe a CONCAVE slope
A concave slope can be identified on a map when the contour spacing changes from wider apart to closer together as you move towards higher ground
list the 3 items of information used to UNIQUELY identify a military map
Series, Sheet, Edition
