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    DRONE SURVEY GUIDELINES IN INDIA

    aryarakesh_16
    By aryarakesh_16,
    Do anyone have any Government guidelines for Drone survey in INDIA. Is it possible to have lidar based drone survey in INDIA. Any Idea about Octacopter capable Lidar camera......

    Mutli criteria analysis using Arc Map

    Maya007
    By Maya007,
    Best options to find suitable places for a solar panel installations using multicriteria anlaysis with Arc-Map.Please add in your suggestions

    point to raster tool

    Afsheen
    By Afsheen,
    Hi everybody! Is there any way to convert point features to raster format using point to raster toolbox or any other? Actually this tool is available with advanced license so i am unable to use it. Kindly help me to solve this issue. Thanking you in anticipation.

    extract spectral data using SAGA-GIS

    babyshoone
    By babyshoone,
    Hallo,  I'm beginer in use of SAGA-GIS. I did a topographic correction on OLI/8 image following this steps: 1- I open SRTM of 30m  (1arc ) of reolution and OLI image in Q-GIS 2- I cut the image at the study area using Q-GIS 3- I open the cut images (srtm, oli) in SAGA 4-I did topographic correction  I looked for to extract spectral data from corrected image as folow : 1-I open a shapefile contains the points in saga, but when I display the shapefile with i

    Merging attribute table of points, lines and polygons into attributes table of classification map

    Afsheen
    By Afsheen,
    Hi! I want some help regarding attribute tables. I performed supervised classification for my area and  also digitized roads by making linear feature class. Now I want to combine these roads with my classification map with their attribute tables. Is there any way to do this? So that I can save these layers in a single map having tiff format. Kindly help me in this regard!

Portal by DevFuse · Based on IP.Board Portal by IPS
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    • GPS is an incredible piece of modern technology. Not only does it allow for locating objects precisely anywhere on the planet, but it also enables the turn-by-turn directions we take for granted these days — all without needing anything more than a radio receiver and some software to decode the signals constantly being sent down from space. [Chris] took that last bit bit as somewhat of a challenge and set off to write a software-defined GPS receiver from the ground up. As GPS started as a military technology, the level of precision needed for things like turn-by-turn navigation wasn’t always available to civilians. The “coarse” positioning is only capable of accuracy within a few hundred meters, so this legacy capability is the first thing that [Chris] tackles here. It is pretty fast, though, with the system able to resolve a location in 24 seconds from cold start and then displaying its information in a browser window. Everything in this build is done in Python as well, meaning that it’s a great starting point for investigating how GPS works and for building other projects from there. The other thing that makes this project accessible is that the only other hardware needed besides a computer that runs Python is an RTL-SDR dongle. These inexpensive TV dongles ushered in a software-defined radio revolution about a decade ago when it was found that they could receive a wide array of radio signals beyond just TV. source: Hackaday and  GitHub - chrisdoble/gps-receiver
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