Rainer Wansch’s Post

I read an interesting article on SpaceNews about industry discussions on whether to review the Article 22 EPFD limits during the next WRC cycle. It reminded me of the work undertaken between WRC-97 and WRC-2000 in WP 4A and JTG 4-9-11. In those days the mega-constellation was Teledesic, as seen in this simulation file with 840 satellites - though it proposed to operate in bands outside the Article 22 EPFD limits, what are sometimes described as the "Teledesic" bands. For those that want a flavour of the discussions, just after WRC-2000 I wrote this short summary of the work undertaken, and how the validation software and Recommendation ITU-R S.1503 fits in: https://lnkd.in/ewSu9Tv5

Check this out! 🔎 Reconstructing GNSS Meta-Signal Observations Using Sideband Measurements   Read the entire technical paper here: https://bit.ly/41RSV87   #gnss #metasignal #research 

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Recent active solar activity has resulted in a number of geomagnetic storms. These storms can affect the propagation time and path of GNSS signals, thus affecting the performance of GNSS devices. Under these conditions, how can CHCNAV's iStar2.0 algorithm improve the receiver to achieve a remarkable 96% GNSS RTK fix rate? The iStar2.0 algorithm that powers CHCNAV's GNSS base stations and receivers provides superior and reliable GNSS RTK fix rates, especially in areas with an active ionosphere. The effects of ionospheric activity are mitigated through the use of an advanced hybrid GNSS engine and optimized ionospheric interference rejection technology. In addition, errors caused by the propagation of GNSS signals through the ionosphere are corrected by using GNSS signals from all available constellations and frequency bands. Sophisticated algorithms increase GNSS RTK fix rates by up to 15%, even in the most challenging conditions. Learn more: https://bit.ly/413Sw3h #chcnav #RTK #GNSS

The real world of GNSS signals is vast and intricate, with numerous satellites and signals in operation. While simulating every signal can be impractical, the simulation of over 1,000 signals remains a critical tool for GNSS engineers. By using Safran's Skydel to simulate this many signals, users are able to address the complexity of GNSS environments, optimize system components, enhance security measures, and ensure accurate positioning across a range of applications and industries. ➡️ Learn more: https://hubs.li/Q02nfNpb0 #ResilientPNT #PNT #GNSS #Simulation

The real world of GNSS signals is vast and intricate, with numerous satellites and signals in operation. While simulating every signal can be impractical, the simulation of over 1,000 signals remains a critical tool for GNSS engineers. By using Safran's Skydel to simulate this many signals, users are able to address the complexity of GNSS environments, optimize system components, enhance security measures, and ensure accurate positioning across a range of applications and industries. ➡️ Learn more: https://hubs.li/Q02nfNpb0 #ResilientPNT #PNT #GNSS #Simulation

The real world of GNSS signals is vast and intricate, with numerous satellites and signals in operation. While simulating every signal can be impractical, the simulation of over 1,000 signals remains a critical tool for GNSS engineers. By using Safran's Skydel to simulate this many signals, users are able to address the complexity of GNSS environments, optimize system components, enhance security measures, and ensure accurate positioning across a range of applications and industries. ➡️ Learn more: https://hubs.li/Q02nfNpb0 #ResilientPNT #PNT #GNSS #Simulation