Determination of zonal wind speeds at heights near 530 km from the orbit of Explorer 24 /1964-76A/

Determining effective rate of plasma heating in outer equatorial ionosphere using data from ISIS-1 and ISIS-2 satellites

Determining Temperature Differences Between Active And Quiet Regions

Determining the ionospheric irregularity velocity vector based on doppler measurements in the artificially modified F 2 region of the polar ionosphere

Determining the Macroscopic Properties of Relativistic Jets

Determining the parameters of ionospheric perturbation caused by earthquakes using the quasi-optimum algorithm of spatiotemporal processing of TEC measurements

Deuterium on Venus - Observations from earth

Developing, Applying, and Refining Comprehensive Measurement Based Specifications of Upper Atmospheric Neutral Winds

Development and characterization of the balloon borne instrument TELIS (TErahertz and submillimeter LImb Sounder) 1.8 THz receiver

Development and flight performance of tip-tilt mirror system for a sounding rocket observation of the Sun.

Development and new tasks of the DFVLR-GSOC Mobile Raketenbasis

Development and Validation of Reaction Wheel Disturbance Models: Empirical Model

Development Launch and In-flight Performance of ESRO Sounding-Rocket Payloads - Volume I: payloads launched in 1964-1965

Development of a campaign to study equatorial ionospheric phenomena over Guam

Development of a Fast Wideband Self-Impedance Probe for Ionospheric Research

Development of a Martian Sonic Anemometer

Development of a method for interpreting chromatograms of the Venus atmosphere obtained by the Sigma chromatograph on the Venera-12 probe

Development of a new device for precise timing

Development of a Pixelated Silicon Detector for a Large-Area X-ray Timing Mission

Development of a polarimeter for magnetic field measurements in the ultraviolet