The IMP-I computer experiment.
IMP-1 experiment, describing design and applications of SDP-3 computer
Cliff, R. A.↗
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Cosmic ray experiments source-encoding in the IMP-I spacecraft.
Cosmic ray detectors design for medium, low and very low energy events on IMP-1 spacecraft, noting PCM format
Cancro, C. A.↗
Galactic abundances and spectra of cosmic rays measured on the IMP-4 satellite - Helium and medium, and the very heavy nuclei
Galactic abundances and cosmic ray spectra by IMP-4 satellite, obtaining He ratio
Garcia-Munoz, M.↗
Galactic abundances and spectra of cosmic rays measured on the IMP-4 satellite. II - Li, Be, B and the medium nuclei
Galactic cosmic ray energy spectra of light and medium nuclei from IMP-4 satellite measurements, investigating L/M ratio
Garcia-Munoz, M.↗
Observations of the interplanetary medium - Vela 3-IMP 3, 1965 - 1967
Observations of interplanetary medium by Vela 3 and IMP 3 satellites
Bame, S. J.↗
IMP-1 launch window analysis
IMP-1 launch window and secondary injection into eccentric orbit
Kaufman, B.↗
IMP 1 optical aspect system
IMP 1 optical aspect system based on spacecraft angular relationship between sun and earth using digital solar sensor and visible-horizon detector
Pyle, E. J.↗
The IMP-F and G preboost regulator
Preboost main bus regulator for IMP satellite power system
Rodriguez, G. E.↗
IMP I spacecraft initial magnetic test
Initial magnetic test of IMP-I spacecraft with reduction of magnetic moment by dc rotation deperm treatments
Eichhorn, W. L.↗
The design and operation of three power supplies for the IMP-I spacecraft
Design and operation of three power supplies for IMP-I spacecraft
Gillis, J. A.↗
IMP 5 magnetic field measurements in the high latitude outer magnetosphere near the noon meridian
IMP 5 magnetic field measurements at high geomagnetic latitudes to observe broad depressed field region centered on polar or dayside cusp
Fairfield, D. H.↗
Simultaneous observations of an energetic electron event in the magnetotail by the Vela 3A and Imp 3 satellites. I, II
Magnetotail energetic electron event simultaneous observations by Vela 3A and Imp 3 satellites, evaluating plasma sheet boundary motion hypotheses
Akasofu, S.-I.↗
The evolution of IMP spacecraft MOSFET data systems
MOSFET data systems evolution for IMP, discussing effects on system design and reliability approach
Lokerson, D. C.↗
Observations of the interplanetary medium - Vela 3 and IMP 3, 1965-1967
Interplanetary plasma and magnetic field observations by Vela 3 and Imp 3 satellites
Bame, S. J.↗
The IMP-H ion composition experiment
A compact mass energy spectrometer to be flown aboard the IMP-H spacecraft is described. Scientific aims include determination of the relative and absolute fluxes of He-4(2+), He-4 (+), 0(6+), and 0(7+), and He-3(2+).
Acuna, M. H.↗
Solar bus regulator and battery charger for IMP's H, I, and J
Interplanetary Monitoring Probe (IMP) spacecrafts H, I, and J utilize a direct energy transfer (DET) type of power system operating from a solar array source. A shunt type of regulator prevents the bus voltage from exceeding a preset voltage level. The power system utilizes a single differential amplifier with dual outputs to control the battery charge/shunt regulator and the discharge regulator. A two-voltage level, current limited, series charger and a current sensor control battery state of charge of the silver-cadmium battery pack. Premature termination of the battery charge is prevented by a power available gate that also initiates charge current to the battery upon availability of excess power.
Paulkovich, J.↗
IMP F and G phase 1 magnetic field analysis
The program developed to analyze magnetic field data from the magnetic field experiment flown in IMP F is reported. The analysis converts the raw X, Y, Z sensor data as received on the magnetic field experiment tape into vector measurements of the ambient magnetic field observed by the experiment. These data are computed for four frames of reference -- apparent, payload, solar ecliptic and solar magnetospheric. In addition 20.45 second statistics are computed for the last three coordinate systems. Finally, a summary tape is produced containing detailed data and sequence statistics as well as the output from the autocorrelation computer, trajectory data and identification information.
Mish, W. H.↗
IMP-I spacecraft final magnetic tests
The increased IMP-I spacecraft spin axis moment resulting from excessive field exposures during environmental testing substantiated the need for a final pre-launch magnetic deperm and measurement. By performing a dc rotation deperm it was possible to reduce this moment below the previous initial test post deperm magnitude. In addition, the magnetic field disturbance at the flight magnetometer diminished to below 0.1 nanotesla (gamma) in all directions.
Harris, C. A.↗