Blackman[1] is a 1986 textbook that includes an example of a naval tracking application with observations every 90 minutes. It was obvious to me that the observ

Blackman[1] is a 1986 textbook that includes an example of a naval tracking application with observations every 90 minutes. It was obvious to me that the observations were satellite based and TIL they must have come from this system. It's an excellent book. Used it heavily during my PhD. [1] https://uk.artechhouse.com/Multiple-Target-Tracking-with-Radar-Applications-P237.aspx https://uk.artechhouse.com/Multiple-Target-Tracking-with-Rad...