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    Allystar launches tiny dual-band GNSS module

    Lurker
    By Lurker,
    TAU-0707 series GNSS module. (Photo: Allystar) Allystar Technology Co. Ltd. has launched its smallest multi-band multi-GNSS module, the TAU-0707 series. Within its 7.6 x 7.6 millimeter size, the TAU-0707 series module supports major GNSS constellations (GPS / Galileo / GLONASS / BeiDou / QZSS / IRNSS) and all civil bands (L1, L2, L5, L6). As the latest addition to Allystar’s GNSS portfolio, the TAU-0707 series module is a concurrent multi-band multi-GNSS receiver embedded with a cyno

    NASA WorldWind Project Suspension

    Lurker
    By Lurker,
    realy sad news   WorldWind team would like to inform you that starting April 5, 2019, NASA WorldWind project will be suspended. All the WorldWind servers providing elevation and imagery will be unavailable. While you can still download the SDKs from GitHub, there will be no technical support. If you have questions and/or concerns, please feel free to email at: [email protected] Update on March 21, 2019 - Answers to common questions about the suspension are av

    roofs susceptible to be waterproofed by their spectral behavior

    MaruRG92
    By MaruRG92,
    Hi, I'm looking for a method to perform urban analysis with remote sensing, specifically I need to know how to use certain bands to see the viability of roofs susceptible to be waterproofed by their spectral behavior, for this I have Ikonos images like this https://drive.google.com/file/d/1LV_OVJhZ4f9ZqgQdnyv5At075jzH06iw/view?usp=sharing On the other hand, I would need this analysis to be done with some free remote sensing software Thanks a lot!

    Process finished with exit code -1073741819 (0xC0000005)

    Arhanghelul
    By Arhanghelul,
    I am trying to run a Python script in PyCharm using Pytnon 2.7 ArcGIS 10.6 as the project interpreter, but wen i run the script it stops after a short time and i get this message: "Process finished with exit code -1073741819 (0xC0000005)". What is this ? How can i solve this problem ? Thank you.

    GNSS chip Makers prepare for Galileo available in U.S.

    Lurker
    By Lurker,
    Following a waiver by the U.S. Federal Communications Commission (FCC) of its rules in November 2018, in which it allowed devices in the United States to access signals transmitted by the Galileo Global Navigation System, leading U.S. manufacturers are preparing to roll-out Galileo on U.S. territory. At a meeting on Nov. 15 last year, the US FCC granted in part a request from the European Commission for a waiver of the FCC rules so that devices in the United States may access specific signa

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    • Are you ready to level up your geospatial skills?  Join our comprehensive training course covering ArcMap, ArcGIS Pro, and ArcOnline—the essential tools for modern spatial analysis and programming!   What You’ll Learn: Core functionalities of ArcMap & ArcGIS Pro Cloud-based mapping with ArcGIS Online Automating workflows with Python & ModelBuilder Creating interactive web maps & apps   Who Should Enroll? GIS beginners & professionals Urban planners, environmental scientists, & data analysts Developers looking to integrate spatial programming   Why Choose This Course? Hands-on projects & real-world applications Expert-led sessions & flexible learning  Limited slots available! Click here to register. Let’s shape the future of spatial data together!
    • 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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