1.2.2
Independent
As it applies to the testing company is defined to mean that the company
has no financial interest and not directly or indirectly part of the
shielding Contractor, subcontractor, or general contractor QC organization.
1.2.3
Shielding Attenuation
As it applies to this section is defined as the shielding effectiveness.
Shielding effectiveness at a test area for the purpose of this procedure is
the ratio expressed in decibels (dB), of the received signal when the
receiving antenna is illuminated by electromagnetic radiation in the test
calibration configuration (no shield present) to the received signal
through the electromagnetic barrier in the test measurement configuration.
Assuming that antenna voltage is detected.
SE = 20 log(Vc/Vm)
Where Vm is the measured signal at the test area and Vc is the calibration
signal at the same frequency and transmitting antenna polarization.
Shielding effectiveness values are test-method dependent and different
values may be obtained when time-domain or other frequency-domain
measurement techniques are used.
1.2.4
Corrections and Repair
Replacing existing defective part(s) with identical parts which are shown
in approved shop drawings, parts list, catalog, and maintenance manual.
This includes cleaning, adjustment, and tightening.
1.2.5
Modification
Adding new part(s) like pieces or extra row(s) of finger-stocks, gasket
(all shapes and sizes), bronze wool, microwave absorber which are not shown
in drawings, parts list, catalog, and maintenance manual.
1.3
SUBMITTALS
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NOTE: Submittals must be limited to those necessary
for adequate quality control. The importance of an
item in the project should be one of the primary
factors in determining if a submittal for the item
should be required.
A "G" following a submittal item indicates that the
submittal requires Government approval. Some
submittals are already marked with a "G". Only
delete an existing "G" if the submittal item is not
complex and can be reviewed through the Contractor's
Quality Control system. Only add a "G" if the
submittal is sufficiently important or complex in
context of the project.
For submittals requiring Government approval on Army
projects, a code of up to three characters within
the submittal tags may be used following the "G"
designation to indicate the approving authority.
SECTION 13095N
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