Degrees/Minutes/Seconds (DMS) vs Decimal Degrees (DD)
We can find any location on Earth using latitude and longitude coordinates. And we measure those coordinates with decimal degrees or degrees/minutes/seconds
Maps & Cartography
Greenwich Meridian (Prime Meridian)
The Greenwich Meridian (or Prime Meridian) is a zero degrees longitudinal It is the start-point which we measure 180 degrees east and west.
Halloween Maps for the Dead
5 Halloween Maps. Almost all cultures recognize spirits aka the dead. So we bring these 5 maps for the dead to get you in the spirit of Halloween.
How Map Projections Work
The best way to represent the Earth is with a globe. But map projections can be awfully useful too. Find out why cartographers use map projections in GIS.
33 Map Elements to Include in Cartographic Design
This guide is like your compass – these 33 mapping tips will guide you in the right direction and show you how to create stunning cartographic maps.
NAD83 – We’re Not in Kansas Anymore
North American Datum of 1983 (NAD83) is 2-meters from geocentric and uses thousands of monuments with triangulation to create a reference frame for Earth
World Geodetic System (WGS84)
The World Geodetic System 1984 (WGS84) is a spatial reference system of GPS satellites with an error of less than 2 cm to the center of Earth.
Global Forest Maps to See the Forest for the Trees
Satellite and mapping technologies tell a story of our trees and forests. These 4 global forest maps will help you start seeing the forest for the trees.
Survey Benchmark Monument Locations
If you’re serious about geocaching, than you’ve probably heard of benchmark hunting. A survey benchmark is a disk in the ground with a latitude & longitude.
Magnetic North vs Geographic (True) North Pole
The Magnetic North Pole is a point in Northern Canada where the northern lines of attraction enter the Earth. Compass needles point to the magnetic north.