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DATA ITEM DESCRIPTION
Title: SPECTRUM CERTIFICATION SPECTRAL CHARACTERISTICS DATA
Number: DI-EMCS-81827 Approval Date: 20100725
AMSC Number: 9157 Limitation:
DTIC Applicable: No GIDEP Applicable: No
Office of Primary Responsibility: 11
Applicable Forms: DD Form 1494
Use/relationship: Section 305 and chapter 8 of title 47, United States Code, Office of Management and
Budget (OMB) Circular A-11, Part 2, Sec. 33.4, and the Manual of Regulations and Procedures for Radio
Frequency Management require certification of spectrum support prior to authorization to operate for
experimental testing (Stage 2), developmental testing (Stage 3), or operation (Stage 4) of new major
spectrum-dependent (S-D) systems and equipment.
DoDI 4650.01 requires Spectrum Supportability Risk Assessments (SSRAs) to be performed by DoD
components for all S-D systems and equipment to identify risks as early as possible and affect design and
procurement decisions. As indicated below, these risks are reviewed at each acquisition milestone (MS)
and are managed throughout the system’s lifecycle.
DEFENSE
ACQUISITION
SYSTEM
PHASE
MATERIEL
SOLUTION
ANALYSIS
ENGINEERING
AND
MANUFACTURING
DEVELOPMENT
AND
DEMONSTRATION
PRODUCTION
AND
DEPLOYMENT
REQUEST
AUTHORIZATION
TO OPERATE –
OTHER THAN
TESTING
REQUIRED
STAGE OF
CERTIFICATION
OF SPECTRUM
SUPPORT FOR
EACH EVENT
The DD Form 1494 provides the means for the Department of Defense to evaluate Spectrum
Supportability Compliance throughout the life cycle of a system or equipment.
a. This DID contains the format and content preparation instructions for data resulting from the work
task described by 5.15 of MIL-STD-464 and is intended for contractor furnished S-D equipment
employed on airborne, sea, space, and ground systems
b. An Application for Equipment Frequency Allocation (DD Form 1494) is required for each
contractor-furnished S-D equipment.
c. This DID is related to DI-81540B, DI-EMCS-81541B and DI-EMCS-81542B.
d. This DID supersedes DI-MISC-81174.
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