The first time I ever heard of the Magnavox Research Laboratory in Torrance, California, was in 1966, as a young engineer working at Hughes Aircraft. We were building large (46-foot diameter) ground stations for the Defense Satellite Communications System (DSCS). Magnavox was supplying the secret anti-jam modems used in the terminals. read more
Letters: The GPS history articles by Brad Parkinson; gifts to L5; Paul Cross, GPS World Advisory Board member, bids Farewell. read more
Earlier today (August 31), I conducted a webinar titled “Solar Activity, SBAS and 24+3 GPS Constellation Updates.” Considering we only announced the webinar three weeks ago, we had a fantastic registration numbers, with more than 570 registered. I also had a lot of questions before and during the webinar. As customary, I’d like to address some of those as well as present the poll results here. read more
A performance assessment demonstrates the ability of a networked group of users to locate themselves and each other, navigate, and operate under adverse conditions in which an individual user would be impaired. The technique for robust GPS positioning in a dynamic sensor network uses a distributed GPS aperture and RF ranging signals among the network nodes. read more
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