Global Navigation Satellite System Real-time Kinematic (GNSS-RTK) is an indispensable source for the absolute positioning of autonomous systems. Unfortunately. the performance of the GNSS-RTK is significantly degraded in urban canyons. due to the notorious multipath and Non-Line-of-Sight (NLOS). https://www.duospiritalis.com/top-deal-Serra-Avatar-Urza-s-Saga-clearance/