Maximum Value Composite Images (MVC’s): A solution for Cloudy Image to calculate NDVI

When the satellite views an area at any one time, a large part of the image may be cloud, which … read more →


Total Station And Its Applications In Surveying

1. Introduction The Total station is designed for measuring of slant distances, horizontal and vertical angles and elevations in topographic … read more →


Possible Applications of GPS

Since GPS is all-weather, real-time, continuously available, economic and very precise positioning technique, almost unlimited possibilities are opened up for … read more →


GPS Field Observation and Data Processing

1. Planning of GPS observation Before starting a GPS Survey Campaign, the following points should be kept in mind. 1.1. … read more →


GPS Surveying Techniques

There are wide variety of GPS applications, which is matched by a similar diversity of user equipment and techniques. Nevertheless, … read more →


Fundamentals of GPS Signal And Data

  1. GPS Signal Characteristics 1.1. Signal structure GPS satellite transmits signals at two frequencies, designated L1 and L2 on … read more →


Introduction to GPS

GLOBAL POSITIONING SYSTEM 1. Introduction The NAVSTAR Global Positioning System (GPS) is a satellite-based radio positioning and time – transfer … read more →


Fundamemtals of Hyperspectral Remote Sensing

Introduction Hyperspectral remote sensing is the science of acquiring digital imagery of earth materials in many narrow contiguous spectral bands. … read more →


Hyperspectral Remote Sensing

Hyperspectral remote sensing is the science of acquiring digital imagery of earth materials in many narrow contiguous spectral bands. Hyperspectral … read more →


Snow Cover Mapping using Satellite Remote Sensing Data

Having accurate estimations of snow cover characteristics during the snow-melt season is indispensable for efficient hydrological modeling and snow-melt runoff … read more →


Topcon announces upgrade to reference station network software

Topcon Positioning Group announces new reference station network software – TopNET+ v10 – bringing new features and functionality to the … read more →


What is GIS?

GIS stands for Geographic Information System. Introduction This portion provides an overview of GIS. It examines what GIS is, what it can … read more →


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