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2
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1
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8 Matching Results
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Shielded room measurements, Final report
The attenuation of electro-statically and electro-magnetically shielded rooms in the ``E,`` ``R,`` ``I,`` and ``T`` Buildings was measured so that corrective measure could be taken if the attenuation was found to be low. If remedial measures could not be taken, the shortcomings of the rooms would be known. Also, the men making the measurements should oversee construction and correct errors at the time. The work was performed by measuring the attenuation at spot frequencies over the range of from 150 kilocycles to 1280 megacycles with suitable equipment mounted in small rubber-tried trucks. The attenuation was determined by ``before and after`` shielding and/or ``door open and door closed`` measurements after installation of copper shielding. In general, attenuation in the frequency range of approximately 10 to 150 mc. was good and was of the order expected. At frequencies in the range of 150 mc. to 1280 mc., the attenuation curve was more erratic; that is, at certain frequencies a severe loss of attenuation was noted, while at others, the attenuation was very good. This was mainly due to poor or faulty seals around doors and pass windows. These poor seals existed in the ``T,`` ``E,`` and ``I`` Buildings because the doors were …
Date:
February 22, 1949
Creator:
Stanton, J.S.
Object Type:
Report
System:
The UNT Digital Library
The Oklahoma Daily (Norman, Okla.), Vol. 25, No. 97, Ed. 1 Tuesday, February 22, 1949
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
February 22, 1949
Creator:
Bert, Leon
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Orange Leader (Orange, Tex.), Vol. 36, No. 44, Ed. 1 Tuesday, February 22, 1949
Daily newspaper from Orange, Texas that includes local, state and national news along with extensive advertising.
Date:
February 22, 1949
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Breckenridge American (Breckenridge, Tex.), Vol. 29, No. 44, Ed. 1 Tuesday, February 22, 1949
Daily newspaper (except Sunday) from Breckenridge, Texas that includes local, state and national news along with extensive advertising.
Date:
February 22, 1949
Creator:
Hall, Charlie
Object Type:
Newspaper
System:
The Portal to Texas History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 52, No. 45, Ed. 1 Tuesday, February 22, 1949
Daily newspaper from Sweetwater, Texas that includes local, state, and national news along with advertising.
Date:
February 22, 1949
Creator:
Baker, Allen
Object Type:
Newspaper
System:
The Portal to Texas History
Gainesville Daily Register and Messenger (Gainesville, Tex.), Vol. 59, No. 152, Ed. 1 Tuesday, February 22, 1949
Daily newspaper from Gainesville, Texas that includes local, state, and national news along with advertising.
Date:
February 22, 1949
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Chickasha Daily Express (Chickasha, Okla.), Vol. 57, No. 16, Ed. 1 Tuesday, February 22, 1949
Daily newspaper from Chickasha, Oklahoma that includes local, state and national news along with advertising.
Date:
February 22, 1949
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Oklahoma City Times (Oklahoma City, Okla.), Vol. 60, No. 20, Ed. 3 Tuesday, February 22, 1949
Daily newspaper from Oklahoma City, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 22, 1949
Creator:
Gaylord, E. K.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History