About the Purdue Terrestrial Observatory


View of Purdue University from Landsat 5 Color Infrared Satellite

The PTO deploys a Real-Time Multi-Satellite Receiving (tracking) Station for polar orbiting satellites, including NASA's Terra & Aqua MODIS and NOAA's AVHRR sensors. Researchers focus on temporal and spatial analysis of remotely sensed imagery in a high performance, high bandwidth environment. PTO also deploys a geostationary groundstation that used to collect NOAA's GOES data. However, this groundstation cannot receive the data from the latest GOES-R satellite being used for GOES-East.

The PTO works closely with other research groups and services at Purdue, including Purdue's Laboratory for Applications of Remote Sensing (LARS), which celebrated its 50th anniversary in 2016, and the IndianaView Consortium and others. Currently, the PTO serves as the lead agency for the IndianaView consortium, a member of AmericaView, Inc. PTO is a part of the Scientific Solutions group within ITaP's Research Computing (RCAC).

Illustrations of and access to some of the data from the receiving stations are available via the link below. Examples of data and data products are reflectance or radiance, NDVI, EVI, Land Surface Temperature, Chlorophyll A, Optical Depth, Fire Mask, Snow Cover and many more.

The PTO group also provides licensing support for several geospatial software packages available at Purdue including Esri ArcGIS, Intergraph ERDAS Imagine, Harris ENVI, and Trimble eCognition. The freeware package, MultiSpec, is also available.

PTO Links

Purdue University, 610 Purdue Mall, West Lafayette, IN 47907, (765) 494-4600

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