| Charged Particle Detector | Explorer 4 | Van Allen, James |
| Low-Energy Proton and Electron Differential Energy Analyzer (LEPEDEA) | Injun 5 | Frank, Louis |
| VLF Receiver, 30 cps - 16 kc | Injun 5 | Gurnett, Donald |
| Solid-State Particle Detector | Injun 5 | Van Allen, James |
| Spherical Retarding Potential Analyzer | Injun 5 | Sagalyn, Rita |
| Low-Energy Solid-State Telescope | IMP-G | Brown, Walter |
| Ion Chamber | IMP-G | Anderson, Kinsey |
| Cosmic-Ray Proton (R vs DE/DX) | IMP-G | Simpson, John |
| Low-Energy Proton and Electron Differential Energy Analyzer (LEPEDEA) | IMP-G | Van Allen, James |
| Cosmic-Ray Anisotropy | IMP-G | McCracken, Kenneth |
| Solar Proton Monitoring Experiment | IMP-G | Bostrom, Carl |
| Electrostatic Analyzer | IMP-G | Ogilvie, Keith |
| Low-Energy Proton and Alpha Detector | IMP-G | McDonald, Frank |
| Cosmic-Ray Energy vs Energy Loss | IMP-G | McDonald, Frank |
| Triaxial Fluxgate Magnetometer | IMP-G | Ness, Norman |
| Channeltron Electron Detector | IMP-G | Lin, Robert |
| Low-Energy Proton and Electron Differential Energy Analyzer (LEPEDEA) | IMP-G | Frank, Louis |
| All-Sky X-Ray Survey | Uhuru | Giacconi, Riccardo |
| Measurement of Magnetic Fields | IMP-I | Ness, Norman |
| Electrostatic Fields | IMP-I | Aggson, Thomas |
| Electrostatic Waves and Radio Noise -- Iowa | IMP-I | Gurnett, Donald |
| Measurement of Solar Plasma | IMP-I | Ogilvie, Keith |
| Low-Energy Protons and Electrons | IMP-I | Frank, Louis |
| Medium-Energy Solar Protons and Electrons | IMP-I | Anderson, Kinsey |
| Solar Proton Monitoring Experiment | IMP-I | Bostrom, Carl |
| Solar and Galactic Cosmic-Ray Studies | IMP-I | McDonald, Frank |
| Nuclear Composition of Cosmic and Solar Particle Radiations | IMP-I | Simpson, John |
| Study of Cosmic Ray, Solar, and Magnetospheric Electrons | IMP-I | Cline, Thomas |
| Measurement of Solar Plasma | IMP-I | Bame, Samuel |
| Electrostatic Waves and Radio Noise -- Minn | IMP-I | Kellogg, Paul |
| Interplanetary Long-Wavelength Radio Astronomy Experiment, Flux Resolution | IMP-I | Haddock, Fred |
| Interplanetary Long Wavelength Radio Astronomy Experiment, Time Resolution | IMP-I | Erickson, William |
| Electrostatic Waves and Radio Noise -- GSFC | IMP-I | Aggson, Thomas |
| Electrostatic Waves and Radio Noise (Project) | IMP-I | Gurnett, Donald |
| Radio Astronomy (Project) | IMP-I | Erickson, William |
| Solar Radiation Detectors | SOLRAD 10 | Kreplin, Robert |
| All-Sky X-Ray Survey | SOLRAD 10 | Kreplin, Robert |
| Channel Electron Multipliers with Electrostatic Analyzers | S-Cubed A | Hoffman, Robert |
| Solid-State Proton-Alpha Particle Telescope | S-Cubed A | Fritz, Theodore |
| Solid-State Detectors | S-Cubed A | Williams, Donald |
| Fluxgate Magnetometers | S-Cubed A | Cahill, Laurence |
| Search Coil Magnetometer | S-Cubed A | Cahill, Laurence |
| DC Electric Field Measurement | S-Cubed A | Maynard, Nelson |
| AC Electric Field Measurement | S-Cubed A | Gurnett, Donald |
| Meteoroid Penetration | Meteoroid Technology Satellite | Humes, Donald |
| Meteoroid Velocity Sensors | Meteoroid Technology Satellite | Alvarez, Jose |
| Meteoroid Penetration Sensors | Meteoroid Technology Satellite | Alvarez, Jose |
| Magnetic Fields Experiment | IMP-H | Ness, Norman |
| Solar Plasma Faraday Cup | IMP-H | Bridge, Herbert |
| Ions and Electrons in the Energy Range 0.1 to 2 MeV | IMP-H | Gloeckler, George |
| Measurement of Low-Energy Protons and Electrons | IMP-H | Frank, Louis |
| Energetic Electrons and Protons | IMP-H | Williams, Donald |
| Electrons and Hydrogen and Helium Isotopes | IMP-H | Stone, Edward |
| Solar Flare High-z/Low-e and Low-e Isotope | IMP-H | Simpson, John |
| Charged Particle Measurements Experiment (CPME) | IMP-H | Krimigis, Stamatios |
| Solar and Cosmic-Ray Particles | IMP-H | McDonald, Frank |
| Solar Plasma Electrostatic Analyzer | IMP-H | Gosling, John |
| Plasma Wave | IMP-H | Scarf, Frederick |
| Solar Wind Ion Composition | IMP-H | Ogilvie, Keith |
| Study of Cosmic-Ray, Solar, and Magnetospheric Electrons | IMP-H | Cline, Thomas |
| Gamma-Ray Telescope | SAS-B | Fichtel, Carl |
| Step Frequency Radiometers | RAE-B | Stone, Robert |
| Rapid-Burst Receivers | RAE-B | Stone, Robert |
| Impedance Probe | RAE-B | Stone, Robert |
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