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MH370: Update to Signalling Unit Logs

Summary

Amended: 30 March 2017
This amended version corrects the previous version’s formatting errors.

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Requests have been received from external interested parties to release any information from the SU logs (recorded at the ground earth station for the communications with the terminal on 9M-MRO) containing BTO and BFO values prior to those originally published. There are two logs that contain BTO and BFO data prior to 1600 UTC while 9M-MRO was powered-up at the gate in Kuala Lumpur. The two additional log messages have been incorporated into the first two lines of the table in the attached document. As the two messages are from Channel R600, a 4,600 microseconds calibration needs to be subtracted (19380 – 4600 = 14780) when comparing with subsequent R1200 messages. This is the same as applied for the messages at 18:25:27 and 00:19:29. The remainder of this document is as previously released by Malaysia in May 2014: Previous MH370 Data Communications logs.

Type: Educational Fact Sheet
Publication date: 30 March 2017
Related: MH370
 
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Last update 30 March 2017
 
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