lowering
lower-level
lower-sideband
lowest-order
low-field
low-frequency
low-gain
low-impedance
low-inductance
low-insertion-force
  low-latitude
low-level
low-loss
low-mobility
low-moment
low-mu
low-noise
low-orbit
low-order
low-pass
lowpass

    low-latitude ionosphere

    низкоширотная ионосфера