The Manual on MSN10 个月
Ditch the GPS: How to navigate using a map and compass
Step 3: Line up the orienting lines with the northings The north/south grid lines on your map, also called northings, should ...
BBC4 年
Direction, scale, distance and height
The four main points of the compass are north, east, south and west. Half way between each of these there are four other points: north-east, south-east, south-west and north-west. This makes an ...