One frame that failed to parse: either its escape/length framing was malformed, or (for a Mode-S frame) it parsed as a well-formed frame but the message inside failed to decode.
The raw bytes involved, where available - the malformed span for a framing error, or the full frame's message bytes for an undecoded message.
Why the frame could not be produced.
One frame that failed to parse: either its escape/length framing was malformed, or (for a Mode-S frame) it parsed as a well-formed frame but the message inside failed to decode.