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Universal Licensing System

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Line A & C Check

The Line A and Line C Program determines whether an entered coordinate is SOUTH of Line A or WEST of Line C. Line A is an imaginary line within the US, approximately paralleling the US-Canadian border. To the north of Line A, FCC coordination with Canadian authorities is generally required in the assignment of frequencies.
Line C is an imaginary line in Alaska approximately paralleling the Alaskan-Canadian border. To the east of Line C, FCC coordination with Canadian authorities is generally required in the assignment of frequencies.
NOTICE: To see the exact coordinates of Line A and Line C, see Section 90.7 (Definitions).

Uses NAD83 Only

(ddmmss.s)
(dddmmss.s)
 
Disclaimer: The Commission makes no warranty whatsoever with respect to the software. In no event shall the Commission, or any of its officers, employees, or agents, be liable for any damages whatsoever (including, but not limited to, loss of business profits, business interruption, loss of business information, or any other loss) arising out of or relating to the existence, furnishing, functioning or use of the software. If you have suggestions for improvements to these applications, please contact Technical Support.