+ 1970 News Releases (7.6 Mb PDF file) - NASA

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NASA's Manned Spacecraft Center_ Houston_ and Purdue University,
Lafayette, Ind._ are the principal participants in the experiment, with
an aircraft from the University of Michigan_ Ann Arbor, and an Air
Force C-131 also involved.
The test site extends from Michigan City in north Indiana to the
Evansville area in the southernmost part of the state.
High altitude coverage from 60,000 feet_ was provided by NASAls
Earth Resources aircraft_ an RB-57F, from MSC_ which took both visual
and infrared color photos as well as black and white.
A Purdue Beechcraft with multiband cameras aboard, flew between
5 and 10,000 feet, the University of Michigan C-47 with a multispectral
scanner flew at 3_OO0 feet and the Air Force C-131 covered the area
with cameras at an altitude of 1%000 feet.
Weather conditions were good during all flights, except that of
the Michigan flight when they were considered marginal.
More missions are scheduled to be flown at seven to ten-day
intervals until the corn crop is ready for ha_vest. In some cases
harvesting is underway or has been completed.
Analysis of these data is being done by Purdue's Laboratory for
Applications of Remote Sensing (LARS).
Within a week or ten days, LARS is expected to have a better
understanding of how well the blight can be detected by remote sensing
at various stages.