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Our class-leading custom designed frequency coordination software makes this challenging task seem routine.
The type of analysis performed, and the geographic area considered in the analysis are both band specific. Our interference
analysis begins with a database search for existing systems that operate in the frequency band and geographic area of
interest. Multiple interference criteria are computed for each existing system, each result assuming the proposed system
will reside in a different one of the defined frequencies established by the FCC for the band and system bandwidth of
interest. When all such existing systems have been computed, statistics are assembled for each proposed system frequency
choice. Sometimes these statistics will directly identify a useable frequency. Oftentimes, additional analysis will be
applied to the best candidate frequencies to factor in terrain effects, equipment optimizations, operator agreements and
other mitigating factors.
Analysis and frequency selection can be an iterative process until a suitable frequency is identified. Our frequency
interference analysis is in accordance with FCC part 101.103 and 101.105.
Coordination with Canada is required when the proposed system will be operating close to the United States-Canada
border. An existing agreement with Canada defines the arrangement under which existing systems along the border must
be protected. FCC part 1.928 provides the frequency coordination arrangement, and can be found
here.
General Guidelines on coordination and use of radio frequencies between the United States and Canada can be found
in appendix I of the FCC 601 Main Form found here.
A Prior Coordination Notice (PCN) distribution is required. The PCN identifies the characteristics of the proposed
system including site locations, equipment choices and frequency selections. We will distribute a copy of the notice
to the entities responsible for each existing system in the search area. The recipients have typically 30 days to
review the notice and raise any issues with our frequency coordination. All such issues must be addressed before
submitting a license application, wherein a supplemental showing attests to the successful completion of the PCN process.
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