Satellite spectrum efficiency

I’m no fan of the concept of spectrum efficiency, but it’s helping me understand the gulf between the cellular and satellite businesses.

Three meanings of "spectrum efficiency"

“Efficiency” is a word of power, chanted when someone wants to bewitch an audience with the potency of economics. It’s often used in wireless policy, and I’ve realized that even when “spectrum efficiency” isn’t purely a fetish and is used to refer a ratio of input divided by output, the amounts compared depend on whether the speaker is an engineer or economist.