Decades: 60s BC 50s BC 40s BC 30s BC 20s BC - 10s BC - 0s 10s 20s 30s 40s
Years: 20 BC 19 BC 18 BC 17 BC 16 BC 15 BC 14 BC 13 BC 12 BC 11 BC 10 BC
Events
Births
Deaths
... cutoff attenuator[?] -- differential mode attenuation[?] -- flat fading[?] -- free-space loss -- gap loss[?] -- gap-loss attenuator[?] ...