This is interesting stuff because as tecumseh said before, MoD's case relied a great deal on this "evidence" yet there are many unexplained anomalies.
I can't understand why Racal were allowed to write the report on their own equipment but the AAIB wrote the GPS report instead of Trimble. This can't be normal, can it? Whose job was it to independently assess the Racal report and make sure it aligned with the GPS one?
A few posters on here seem to know what they are talking about and still we debate what the Tans "evidence" means. So how can the Reviewing Officers be so sure? Was it Day who at one point described Tans as a "black box recorder"? Not the words of a knowledgeable man. It this were a court of law such an "expert witness" would be laughed out of court, yet he was allowed to pronounce on the supposed guilt of two men using equipment he knew nothing about.
Disgraceful.