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What is suppression?

April 26, 2017suppression

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What is suppression?

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Suppression is defined in two ways. The first is the ARINC definition that is a two-way or bi-directional suppression that allows the DME to suppress the transponder when the DME is transmitting, and also for the transponder to suppress the DME when the transponder is transmitting. The second is a King format that only handles one way suppression. It is used for the lower cost panel mount equipment found in general aviation market. It allows the DME to suppress the Transponder when the DME is transmitting. The two are mutually exclusive, meaning they are not compatible.