Position reported by satellite is not actual position


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    JP B

    After further research, I realized that the accuracy of the position in message 27 is far lower than the position in message 18. This explains the difference in position.

    I would still like to have an explanation about how MT calculates the position from sat reports. Is there any mitigation of the inaccuracy? I can see that two noon position reports are absolutely identical.

    What if a message 18 report is also received by the sat system along with message 27? What is the method used to take care of the discrepancy?



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