How does OpenSky process ADS-B message with tc=0?

10 months 1 week ago - 10 months 1 week ago #1403 by liu1322
Hi :cheer:

I'm curious about how OpenSky processes airborne position message with type code(tc) = 0. This type of ADS-B message commonly occurs when position information is not available or is invalid. And this type of message commonly sets all 56 bits of the ME field bits to 0. I was wondering if OpenSky keeps those tc=0 messages as (latitude, longitude) = (0, 0) in 'position_data4' or just filters out this type of message.


Thanks!

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2 weeks 5 days ago #1670 by lennuk
Hi, I have the same question as liu1322. I wonder if messages with tc zero are filtered out by OpsenSky or if they are recorded somewhere in a database. Because I could not find any in position_data4.

Thanks a lot in advance!

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