Yes, we've done a couple updates on ATC moderization recently. But the negative responses to editor Bow-lin's recent comments in favor of ADS-B suggest yet more information is needed. Plus, if you still think the 2020 deadline will get extended, well, the FAA is completing its tasks with an unfamiliar but refreshingly high speed and efficiency. Since resident controller, Tarrance Kramer's update in March 2014, the FAA has closed the mid-continent gap in ADS-B coverage by completing the installation of 663 ADS-B ground stations according to Exelis, the contractor. Under their contract, Exelis had to provide the same or better coverage than satellite with the stations installed. Full coverage now makes TIS-B traffic and FIS-B weather services available nationwide.
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