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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 379 records · Page 21

All sources NASA NTRS DOE OSTI

NASA NTRS1968

Orbit adjustment of sun-synchronous satellites with electric propulsion.

Satellite orbit adjustment, stationkeeping and attitude control of typical earth- and sun- synchronous satellites by electric propulsion systems

Barrett, C. C.↗

NASA NTRS1968

Observation of flow of low-energy ions at synchronous altitude and implications for magnetospheric convection.

Suprathermal ion detector aboard ATS 1 synchronous orbit satellite establishing existence of occasional bulk motion of magnetospheric thermal ions

Freeman, J. W., Jr.↗

NASA NTRS1968

Synchronous communication relay satellites for manned space flight in earth orbit.

Communication and tracking relay system for manned spacecraft in orbit using synchronous altitude satellites

Hamilton, M.↗

NASA NTRS1968

Simultaneous magnetic field variations at the earth's surface and at synchronous, equatorial distance. I, II.

Simultaneous magnetic field variations at earth surface and at synchronous equatorial distance, using ATS-1 magnetometers

Coleman, P. J., Jr.↗

NASA NTRS1968

Magnetic fields in the magnetopause and vicinity at synchronous altitude.

Magnetic fields in magnetopause and on both sides of boundary at synchronous altitude measured by ATS 1

Coleman, P. J., Jr.↗

NASA NTRS1968

Acceleration of energetic electrons observed at the synchronous altitude during magnetospheric substorms.

Energetic electron acceleration at synchronous altitude during magnetospheric substorms, measuring trapped electron fluxes with ATS 1 satellite

Parks, G. K.↗

NASA NTRS1967

The automatic antenna position control system for the ATS synchronous orbit spin-stabilized satellite.

Automatic directional antenna position control system for ATS synchronous orbit spin-stabilized satellite

Mahr, O.↗

NASA NTRS1968

Radiation damage shielding of solar cells on a synchronous spacecraft.

Silicon solar cells radiation damage shielding on ATS 1 synchronous spacecraft

Waddel, R. C.↗

NASA NTRS1968

On the possibility of measuring the gravitational red shift using a synchronous satellite, a laser and a Fabry-Perot interferometer.

Gravitational red shift measurement using synchronous satellite, argon laser and Fabry- Perot interferometer

Ransford, G.↗

NASA NTRS1969

Synchronous charge-constrained electroquasistatic generator

Electroquasistatic generator depends on electroquasistatic interactions to provide synchronous operation. The generator employs a moving insulating belt, with an ac electric potential source to establish positively and negatively charged regions on the belt. The field effect of the charges on the belt creates an ac output voltage.

Melcher, J. R.↗

NASA NTRS1969

PCM synchronization by word stuffing

When a transmitted word, consisting of a number of pulses, is detected and removed from the data stream, the space left by the removal is eliminated by a memory buffer. This eliminates the need for a clock synchronizer thereby removing instability problems.

Butman, S.↗

NASA NTRS1968

Servo control and data synchronization study Final report

Investigation of magnetic tape recorder-reproducer to accept data pulses at varying rates, record at constant packing density, and retrieve at rates synchronized to external clock

Bejach, B.↗

NASA NTRS1969