Remote Sensing Archives - Page 3 of 4

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How To Combine Spectral Bands with ArcGIS Composite Bands Tool

If you want to display rasters in true color, you will have to combine the red, green & blue bands. The ArcGIS Composite Bands tool creates RGB composites.

What is Atmospheric Correction in Remote Sensing?

Dark object subtraction, radiative transfer models and atmospheric modelling are common techniques used to for atmosphere correction in remote sensing.

What is Remote Sensing? A Guide to Earth Observation

Remote sensing is the science of obtaining information without physically being there. The 3 most common methods of capture is airplane, satellite & drones.

What is Bit Depth for Satellite Data (and Images)

Bit depth is the amount of detail in each pixel expressed in units of bits. 1-bit rasters contain 2 values while 8-bit rasters range from 0-255

Pleiades Satellite Products: © CNES 2011-15, Distribution Airbus DS. Courtesy of BlackBridge

Pleiades Satellite Constellation: Spot the Detail

The agile Pleiades satellite constellation is comprised of Pleiades 1A and 1B. They offer dynamic image acquisition at 50cm panchromatic & 2m multispectral.

SPOT Satellite Pour l’Observation de la Terre

SPOT-1 (Satellite Pour l’Observation de la Terre) was a French commercial satellite launched in 1986 initiated by the French Space Agency (CNES).

A Complete Guide to LiDAR: Light Detection and Ranging

How would you like to wave your magic wand and find out how far everything is away from you? No magic wands necessary. This is how LiDAR works.

Landsat Program: Satellite Imagery Data and Bands

There have been 8 Landsat satellites. One didn’t make it to orbit but 7 satellites did. Since 1972, the Landsat program has been tracking Earth’s resources.

Passive vs Active Sensors in Remote Sensing

Active sensors illuminates its target and measures that reflected backscatter to the sensor. Passive sensors measure natural energy from the sun.

Remote Sensing

100 Earth Shattering Remote Sensing Applications & Uses

This list of earth-shattering remote sensing applications will change the way you feel about how this industry is changing our world and the way we think.

Remote Sensing

50 Satellites You Need To Know: Earth Satellite List

Today I’m going to show you the largest Earth satellite list ever put together. From oceans to weather, here’s our list of the 50 most iconic satellites.
Software

The Hidden Powers of QGIS 3: 33 Truly Underappreciated Features and Plugins

When QGIS releases a new version, it’s kinda a big deal. Because the unsung heroes of open source GIS software are back! It’s their third big release. QGIS 3!
GIS Career

1000 GIS Applications & Uses – How GIS Is Changing the World

From over 50 industries, here are 1000 GIS applications to open your mind of our amazing planet, its interconnectivity with location intelligence in mind.

Maps & Cartography

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.
Software

27 Differences Between ArcGIS and QGIS – The Most Epic GIS Software Battle in GIS History

It’s a head-to-head GIS software showdown with the star-studded lineup in the GIS industry- ArcGIS vs QGIS. Discover the differences between ArcGIS and QGIS
Software

13 Free GIS Software Options: Map the World in Open Source

There’s a bucket load of free GIS software packages available for you to map the world. Manage, visualize and edit GIS data with open source GIS software.

GISGeography.com