PPRuNe Forums - View Single Post - Anything unusual of squawk 0143 for MH17?
Old 26th Dec 2014, 12:26
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Lon More

More than just an ATCO
Join Date: Jul 1999
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Age: 72
Posts: 1,768
where no conflicting code is in the system the ORCAM code is retained.

Google EUROPEAN SECONDARY SURVEILLANCE RADAR (SSR) CODE MANAGEMENT PLAN - appendices A & B for maps of the areas involved
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