Constellation completedThe first, or prototype, Block I QZSS satellite was launched in 2010 and, based on the positive test results from this satellite, an additional three satellites were launched in 2017, completing a four-satellite constellation. In this month’s column, we examine the recent developments of this unique and innovative navigation system.
EGNOS V3 will offer improved and secure Civil Aviation Safety of Life services for the next decade over […]
As one of the four major GNSS providers, the establishment of BeiDou Navigation Satellite System (BDS) has been steadily developed, following a three-step strategy.
How Well Does It Perform?We examine the performance of EGNOS in Finland, which lies near the northeast periphery of the coverage area, and how this performance can be improved now and in the future.
Spirent Communications plc is offering a solution that enables the civil aviation industry to evaluate the growing threat […]
The GEO satellites broadcasting EGNOS messages are going to be changed. On March 20, PRN 123 (now in […]
DHS Spells Out Receiver Improvements In early January, a new Department of Homeland Security (DHS) document appeared: “Improving […]
The Korea Aerospace Research Institute and Korean telecom company KT will co-develop Korea’s first satellite-based augmentation system, reports The […]
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