Editing Pioneer 11 (section)

====Scientific instruments====
''Pioneer 11'' has one additional instrument more than ''Pioneer 10'', a flux-gate magnetometer.{{r|solarviews1}}
{| class="wikitable"
|-
! colspan="2" style="text-align: left"  | Helium Vector [[Magnetometer]] ('''HVM''')
|-
| [[File:Pioneer 10-11 - P50 - fx.jpg|150px]]
|Measures the fine structure of the interplanetary magnetic field, mapped the Jovian magnetic field, and provides magnetic field measurements to evaluate solar wind interaction with Jupiter.<ref name=nssdc2/>
* {{small|'''Principal investigator:''' Edward Smith / JPL}}
* {{small|1='''Data:''' [http://pds-ppi.igpp.ucla.edu/search/?filter=PN_5001,PN_6001&title=Pioneer_11_Helium_Vector_Magnetometer PDS/PPI data catalog], [ftp://nssdcftp.gsfc.nasa.gov/spacecraft_data/pioneer/pioneer11/mag/ NSSDC data archive]}}
|-
! colspan="2" style="text-align: left"  | Quadrispherical [[Plasma (physics)|Plasma]] Analyzer
|-
| [[File:Pioneer 10-11 - P51b - fx.jpg|150px]]
|Peer through a hole in the large dish-shaped antenna to detect particles of the solar wind originating from the Sun.<ref name=nssdc3/>
* {{small|'''Principal investigator:''' Aaron Barnes / NASA Ames Research Center ([https://web.archive.org/web/20000520044455/http://arwen.arc.nasa.gov/ archived website])}}{{sfn|Simpson|2001|p=146}}
* {{small|1='''Data:''' [http://pds-ppi.igpp.ucla.edu/search/?filter=PN_5001,PN_6001&title=Pioneer_11_Quadrispherical_Plasma_Analyser PDS/PPI data catalog], [ftp://nssdcftp.gsfc.nasa.gov/spacecraft_data/pioneer/pioneer11/plasma/ NSSDC data archive]}}
|-
! colspan="2" style="text-align: left"  | [[Charged particle|Charged Particle]] Instrument ('''CPI''')
|-
| [[File:Pioneer 10-11 - P52a - fx.jpg|150px]]
|Detects cosmic rays in the Solar System.<ref name=nssdc4/>
* {{small|'''Principal investigator:''' [[John Alexander Simpson|John Simpson]] / University of Chicago}}{{sfn|Simpson|2001|p=146}}
* {{small|'''Data:''' [ftp://nssdcftp.gsfc.nasa.gov/spacecraft_data/pioneer/pioneer11/particle/cpi/ NSSDC data archive]}}
|-
! colspan="2" style="text-align: left"  | [[Cosmic Ray]] Telescope ('''CRT''')
|-
| [[File:Pioneer 10-11 - P52b - fx.jpg|150px]]
|Collects data on the composition of the cosmic ray particles and their energy ranges.{{r|nssdc5}}
* {{small|'''Principal investigator:''' [[Frank B. McDonald]] / NASA Goddard Space Flight Center}}{{sfn|Simpson|2001|p=146}}
* {{small|1='''Data:''' [http://pds-ppi.igpp.ucla.edu/search/?filter=PN_5001,PN_6001&title=Pioneer_11_Cosmic_Ray_Telescope PDS/PPI data catalog], [ftp://nssdcftp.gsfc.nasa.gov/spacecraft_data/pioneer/pioneer11/particle/crt/ NSSDC data archive]}}
|-
! colspan="2" style="text-align: left"  | [[Geiger tube telescope|Geiger Tube Telescope]] ('''GTT''')
|-
| {{center|[[File:Pioneer 10-11 - p53 - fx.jpg|x100px]]}}
|Surveys the intensities, energy spectra, and angular distributions of electrons and protons along the spacecraft's path through the radiation belts of Jupiter and Saturn.{{r|nssdc6}}
* {{small|'''Principal investigator:''' [[James A. Van Allen]] / University of Iowa ([http://www-pw.physics.uiowa.edu/pioneer/home.html website])}}{{sfn|Simpson|2001|p=146}}
* {{small|1='''Data:''' [http://pds-ppi.igpp.ucla.edu/search/?filter=PN_5001,PN_6001&title=Pioneer_11_Gieger_Tube_Telescope PDS/PPI data catalog], [ftp://nssdcftp.gsfc.nasa.gov/spacecraft_data/pioneer/pioneer11/particle/gtt/ NSSDC data archive], [ftp://nssdcftp.gsfc.nasa.gov/spacecraft_data/pioneer/pioneer11/geiger_tube_telescope_%28gtt%29/jupiter_encounter_data/ NSSDC Jupiter data archive]}}
|-
! colspan="2" style="text-align: left"  | Trapped [[Radiation]] Detector ('''TRD''')
|-
| [[File:Pioneer 10-11 - P54 - fx.jpg|150px]]
|
Includes an ''unfocused [[Cherenkov detector|Cerenkov counter]]'' that detects the light emitted in a particular direction as particles passed through it recording electrons of energy, 0.5 to 12 [[electronvolt|MeV]], an ''electron scatter detector'' for electrons of energy, 100 to 400 keV, and a ''minimum ionizing detector'' consisting of a solid-state diode that measured minimum ionizing particles (<3 MeV)  and protons in the range of 50 to 350 MeV.{{r|nssdc7}}
* {{small|'''Principal investigator:''' R. Fillius / University of California San Diego}}{{sfn|Simpson|2001|p=146}}
* {{small|'''Data:''' [ftp://nssdcftp.gsfc.nasa.gov/spacecraft_data/pioneer/pioneer11/particle/trd/ NSSDC hourly data archive], [ftp://nssdcftp.gsfc.nasa.gov/spacecraft_data/pioneer/pioneer11/jovian_trapped_radiation/saturn_enctr_binary_reduction_dat/ NSSDC Saturn data archive]}}
|-
! colspan="2" style="text-align: left"  | [[Meteoroid]] Detectors
|-
| [[File:Pioneer 10-11 - P56 - fx.jpg|150px]]
|Twelve panels of pressurized cell detectors mounted on the back of the main dish antenna record penetrating impacts of small meteoroids.{{r|nssdc8}}
* {{small|'''Principal investigator:''' William Kinard / NASA Langley Research Center}}{{sfn|Simpson|2001|p=146}}
* {{small|1='''Data:''' [http://nssdc.gsfc.nasa.gov/nmc/datasetSearch.do?spacecraft=Pioneer%2011&experiment=Meteoroid%20Detectors NSSDC data archive list]}}
|-
! colspan="2" style="text-align: left"  | Asteroid/Meteoroid Detector ('''AMD''')
|-
| [[File:Pioneer 10-11 - P55b - fx.jpg|150px]]
|Meteoroid-asteroid detector looks into space with four non-imaging telescopes to track particles ranging from close by bits of dust to distant large asteroids.{{r|nssdc9}}
* {{small|'''Principal investigator:''' Robert Soberman / General Electric Company}}{{sfn|Simpson|2001|p=146}}
* {{small|1='''Data:''' [http://nssdc.gsfc.nasa.gov/nmc/datasetSearch.do?spacecraft=Pioneer%2011&experiment=Asteroid/Meteoroid%20Astronomy NSSDC data archive list]}}
|-
! colspan="2" style="text-align: left"  | Ultraviolet [[Photometer]]
|-
| [[File:Pioneer 10-11 - P57a - fx.jpg|150px]]
|Ultraviolet light (200 to 800 [[Angstrom|Å]]) is sensed to determine the quantities of hydrogen and helium in space and on Jupiter and Saturn.{{r|nssdc10}}
* {{small|'''Principal investigator:''' [[Darrell Lynn Judge|Darrell Judge]] / University of Southern California}}{{sfn|Simpson|2001|p=146}}
* {{small|1='''Data:''' [http://ppi.pds.nasa.gov/search?filter=PN_5001,PN_6001&title=Pioneer_11_Ultraviolet_Photometer PDS/PPI data catalog], [ftp://nssdcftp.gsfc.nasa.gov/spacecraft_data/pioneer/pioneer11/uv/ NSSDC data archive]}}
|-
! colspan="2" style="text-align: left"  | Imaging [[Polarimeter|Photopolarimeter]] ('''IPP''')
|-
| [[File:Pioneer 10-11 - P60 - fx.jpg|150px]]
|The imaging experiment relies upon the spin of the spacecraft to sweep a small telescope across the planet in narrow strips only 0.03 degrees wide, looking at the planet in red (5800 to 7000 [[Angstrom|Å]]) and blue (3900 to 4900 Å) light. These strips are then processed to build up a visual image of the planet.{{r|nssdc11}}
* {{small|'''Principal investigator:''' [[Tom Gehrels]] / University of Arizona}}{{sfn|Simpson|2001|p=146}}
* {{small|1='''Data:''' [http://nssdc.gsfc.nasa.gov/nmc/datasetSearch.do?spacecraft=Pioneer%2011&experiment=Imaging%20Photopolarimeter%20%28IPP%29 NSSDC data archive list]}}
|-
! colspan="2" style="text-align: left"  | Infrared [[Radiometer]]
|-
| [[File:P58 - fx.jpg|150px]]
|Provides information on cloud temperature and the output of heat from Jupiter and Saturn.{{r|nssdc12}}
* {{small|'''Principal investigator:''' [[Andrew Ingersoll]] / California Institute of Technology}}{{sfn|Simpson|2001|p=146}}
|-
! colspan="2" style="text-align: left"  | Triaxial Fluxgate [[Magnetometer]]
|-
| [[File:Triaxial Fluxgate Mars Global Surveyor Magnetometer.gif|150px]]
|Measures the magnetic fields of both Jupiter and Saturn. This instrument is not carried on ''Pioneer 10''.{{r|nssdc13}}
* {{small|'''Principal investigator:''' [[Mario Acuna]] / NASA Goddard Space Flight Center}}
* {{small|1='''Data:''' [http://nssdc.gsfc.nasa.gov/nmc/datasetSearch.do?spacecraft=Pioneer%2011&experiment=Jovian%20Magnetic%20Field NSSDC data archive list]}}
|}