Latitude and Longitude are global addresses, written in numbers, so that everyone can use them regardless of where they are. Write these numbers next to the digits for the 4 figure grid reference, to create a 6 figure grid reference, and so on to create an 8 figure reference. Then count along how far along the eastings the square is, then how far up the Northings is. Once you have worked out the 4-figure reference, imagine the square is further divided into ten. Lay the reference out as per the example shown. To work out a 4-figure grid reference, always give the eastings number first and northing second. Grid references, being read left to right on a map, are called eastings, and grid references going bottom to top, are called Northings.įour figure grid references identify a single km square on an OS map, and six figure grid references identify a smaller 100m square, and eight figure grid references identify a 10m square for when you need accuracy. ![]() This is useful for being able to simply give others your location (e.g. Each grid square has associated numbers, and these numbers are what you use to pinpoint your location on a map. OS maps are covered in faint blue lines which make up a grid. When you quote your grid ref number, be sure to include the two-letter prefix, so that the grid ref corresponds to the correct square. OS maps all have two letter prefixes, which divide GB into 100km squares and each square is given two letters. Reading Grid references, National grid lines, and latitude and longitude National grid lines You would need to pick a map of a scale that is appropriate for what you need. ![]() The larger the map scale, the more detail that will be shown on the page, and the smaller the scale, the less detail will be shown. Maps are shown in different scales (for example 1:25k or 1:50k). The legend will explain which symbols, colours and shapes represent roads, footpaths, woods, buildings, rivers, streams, and much more. Most maps have a legend for you to refer to, so you know what you are looking at. This is to avoid the map being crowded with writing, making it harder to read. Most maps use symbols, rather than descriptions, to show where things are. Here’s a simple guide to getting started… How to read a map Map symbols and map legends ![]() Phone batteries can run out, or you may be stuck somewhere remote with no phone signal – in these scenarios being able to read a map would be more than useful. Although phones have GPS and countless navigation apps, it is important not to rely on them as your sole source of navigation. Throughout the blog you will find great advice on this very important skill plus a section on the most common mistakes (don’t forget to share this article with that friend who is always getting lost).īeing able to read a map is an essential life skill if you plan on spending time in the hills. So, we have asked Ordnance Survey to put together a quick and simple guide on how to read a map and use a compass.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |