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ENVIRONMENTAL 

RESEARCH INSTITUTE 
OF MICHIGAN 


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FORMERLY WILLOW RUN LABORATORIES. THE UNIVERSITY OF MICHIGAN 


p, O BOX 618 • ANN ARBOR • MICHIGAN *48107 


PHONE (313) 483-0500 


101700-17-L 
6 November 1974 


Study of Atmospheric Effects in SKYLAB Data 
Sixth Quarterly Progress Report 


EREP Investigation 410 M 
NASA Contract NAS9-13272 

"Wad* wallaWc under NASA sponsorship 
to the interest of early and wide dis- 
semination of Earth Resources Survey 
Program information and without liability 
for any use made thereof," 

Prepared by 


Frederick J, Thomson - Principal Investigator 


'(E75-1GQ06) STUDY OF ATMOSPE1ERIC EFFECTS 
IN SKYLftB DATA Quarterly Progress 
. Report, 1 Jun- - -31 Aug. 1974 
I (Environmental Research Inst, of Michigan) 

\. 3 p HC $3. 25 CSCL__05B 


NASA Technical Monitor 


G3/43 


N75- 1 239 1 


Unclas 

00006 


Mr. Larry B, York/TF6 

National Aeronautics and Space Administration 
Johnson Space Center 

Principal Investigator Management Office 
Houston, Texas 77058 


101700-17-L 


Jm 

FORMERLY WILLOW RUN LABORATORIES, THE UNIVERSITY OF MICHIGAN 



Study of Atmospheric Effects in SKYLAB Data 
Sixth Quarterly Progress Report 


This report covers progress during the sixth quarter Cl June - 31 August 1974) 
of contract NAS9-13272, "Study of Atmospheric Effects in SKYLAB Data," EREP No. 

410 M. The work is being conducted in the Infrared and Optics Division of the 
Environmental Research Institute of Michigan, under the general supervision of 
Mr. R. R. Legault. The principal investigator is Mr. F. J. Thomson.- 


PROGRESS 

Processing of all data has been suspended pending receipt of data tapes 
of recalibrated S-192 data from Houston. The S-192 data originally processed 
under contract NAS9-13386-CCA2 were found to have small dynamic range in most 
channels thought to be caused by a conservative selection of calibration 
factors. The problem has since been alleviated in the production processing 
system. We are advised that tapes to be supplied will have larger dynamic 
range. Thus processing of the earlier data has stopped. 

Processing of aircraft data associated with this investigation has also 
stopped pending the arrival of the S-192 data. Then a reassessment of the 
relative amounts of resources required to complete processing of S-192 and 
aircraft data can be made, 

Mr. Jim Weber attended a mid-July meeting of SKYLAB principal investigators 
at Houston. 


PLANS 


Until S-192 data are received, little further effort will be expended. 


101700-17-L 


Jm 

FORMERLY WILLOW RUN LABORATORIES. THE UNIVERSITY OF MICHIGAN 


TRAVEL 


Mr* Jim Weber travelled to Houston in mid- July for the three day 
principal investigators conference. 


Respectfully submitted: 


FT ^ fTU 

Frederick J. Thomson 
Research Engineer 


Approved by: 




o- 


Richard R. Legault 
Director, Infrared and Optics 
Division 


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