The IBIS Gamma-Ray telescope on INTEGRAL
The ICE spectrograph for PEPSI at the LBT: preliminary optical design
The imaging Fourier transform spectrometer: Performance and tolerance analysis
The Imaging Performance of the EXIST mission
The imaging performance of the Hubble Space Telescope
The Imaging Spectrometric Observatory
The impact of advanced platform and ion propulsion technologies on small low-cost interplanetary spacecraft
The impact of geomagnetic substorms on GPS receiver performance
The impact of the MARS curriculum on students' ability to coordinate theory and evidence
The impact on tsunami detection from space using GNSS-reflectometry when combining GPS with GLONASS and Galileo
The IMPACT Solar Wind Electron Analyzer (SWEA)
The Implementation of an Imaging X-Ray Spectrometer for the International X-Ray Observatory
The importance of batteries in unmanned missions
The Importance of COSMIC Occultation Data for Ionosphere Specification
The importance of pointing-acquisition and tracking for optical communication payloads
The in-flight calibration of the Hubble Space Telescope attitude sensors
The in-flight calibration of the Hubble Space Telescope fine guidance sensors
The in-flight calibration of the Hubble Space Telescope fine guidance sensors, 2 (a success story)
The In-flight Performance of the Infrared Spectrograph, IRS, SIRTF
The in-orbit performance of the Exosat gas scintillation proportional counter