The use of Fourier transforms for isolating components of experimental data
The use of GPS arrays in detecting the ionospheric response during rocket launchings
The use of Kotel'nikov's theorem to determine the regularization conditions of the inverse refraction problem
The use of mass spectrometer measurements to derive thermospheric temperature and density
The Use of Multiple Receivers to Measure the Wave Characteristics of Very-Low-Frequency Noise in Space
The use of multipulse zero lag data to improve incoherent scatter radar power profile accuracy
The use of radio images for analyzing the results of narrow-band radio location of asteroids
The use of satellite-sounding data to study wave motions and inhomogeneous structure in the upper ionosphere
The use of sudden frequency deviations observed during solar flares to study the propagation modes of short-wave propagation modes
The use of the EISCAT radar facility for middle atmosphere research
The use of the phasor display in studying ionospheric radio echoes
The utilization of continuous geomagnetic-field spectra for magnetic-variation sounding
The UV dayglow 2, Ly-alpha and Ly-beta emissions and the H distribution in the mesosphere and thermosphere
The UV dayglow 3, OI emissions at 989, 1027, 1152, 1304, and 1356A
The V-EUV Delay for Dwarf Novae: A Case Study for VW Hydri, U Geminorum, and SS Cygni
The variation of short-lived NOy species around sunrise at mid-latitudes as measured by MIPAS-B and calculated by KASIMA
The VEGA balloon experiments
The Vega balloon global ground network
The Vega balloons - A tool for studying atmosphere dynamics on Venus
The Velocity of Sound in General Relativity, with a Discussion of the Problem of the Fluid Sphere with Constant Velocity of Sound