PPRuNe Forums - View Single Post - Drones threatening commercial a/c?

31st Dec 2015, 16:33

#507 (permalink)

MarcK

Join Date: Oct 2004

Location: California

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Let's see: There are 24 bits of address for ADS-B. USA has a 20-bit address space, or just over 1 million unique addresses. 915,000 of those correspond to N-numbers that are, or can be, issued. That leaves 100,000 for all the drones.