PPRuNe Forums - TCAS transmissions

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roonyunlimited

24th January 2015 06:54

TCAS transmissions

Does anyone know the data frame format for interrogation and replies in TCAS ? It would be great if you can give me any info on Mode-S, Mode-C and Mode-A. Tried googling but didn't turn out proper results. Please help :)

Skyjob

24th January 2015 13:49

Try reading up first on Eurocontrol website, it has many links.
For frame format manufacturer documentation or system description is required.

ATCast

25th January 2015 10:22

Take look at the Minimum Operational Performance Standards for TCAS II. This document defines the TCAS message formats.
The document can be obtained through RTCA as document DO-185,latest revision is DO-185B, change 2. Or through EUROCAE as document ED-143.

Mode S is defined in RTCA DO-181 (E)/ EUROCAE ED- 73 (E), latest revision is

ADS-B is defined in RTCA DO-260 (B) / EUROCAE ED-102 (A)

Capetonian

25th January 2015 10:31

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