Technology / Home Audio / Second-Order: The frequency attenuation that occurs at a rate of 12 db per octave.
Science / Tides and Currents / OO1: Lunar diurnal, second-order, constituent. Speed = T + 2s + h = 16.139,101,7° per solar hour. MORE
Science / Tides and Currents / 2N2: Lunar elliptic semi diurnal second-order constituent. Speed = 2T– 4s + 2h + 2p = 27.895,354,8° per solar hour. MORE