Apollo Lunar Surface Experiment Package (ALSEP) Chronology

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Number
Surface Experiment
Apollo Mission

 11         12          14         15        16        17

S 031  Passive Seismic: 
         Apollo 11/EASEP (PSEP)

                        ALSEP

  X           X           X           X          X 
S 033
 Active Seismic Experiment                              X                        X
S 034
 Lunar Surface Magnetometer                X                         X          X
S 035
S 080
 Solar Wind: 
                 Spectrometer

                  Composition

               X                         X 

  X           X           X           X          X 

S 036
 Suprathemal Ion Detector                X           X            X 
S 037
 Heat Flow                                            X          A          X
A=Apollo 16 unit inoperable
S 038
 Charged Particle Lunar Environment                              X 
S 058
 Cold Cathode Ion Gauge
see also
Cold Cathode Gauge Experiment
               X           X           X 
S 059
 Lunar Geology   X           X          X           X           X          X
S 078
 Laser Ranging Retroreflector   X                        X           X 
S 152
 Cosmic Ray Detector (Apollo 16)

 Lunar Surface Cosmic Ray Detector (Apollo 17)

                                                        X           X
S 198
 Portable Magnetometer                             X                         X
S 199
 Traverse Gravimeter                                                                      X 
S 200
 Soil Mechanics   X           X           X           X          X          X 
S 201
 Far UV Camera/Spectrograph                                                         X 
S 202
 Lunar Ejecta and Meteorites                                                                      X 
S 203
 Lunar Seismic Profiling                                                                      X 
S 204
 Surface Electrical Properties                                                                      X 
S 205
 Lunar Atmospheric Composition                                                                      X 
S 207
 Lunar Surface Gravimeter                                                                      X 
S 229
 Neutron Probe                                                                      X 

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