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IFD5xx/4xx displays No TIS-B message (TIS-B (or TRFC) in a circle with a line through it)

Open the Attached PDF for more information on TIS-B "TRFC" or "TIS-B" will be displayed depending on your IFD software version, but the indications have the exact same meaning. The No TIS-B (or TRFC) indicator is not an error message, just an indication that we are not receiving service to the hockey puck s…

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