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Forum: Tech Log

1st Feb 2018, 13:43

Replies: 25

RAIM prediction valid only for a preflight phase

Views: 12,905

Posted By A Squared

You're still stuck on "Do we have RAIM" The...

You're still stuck on "Do we have RAIM" The requirement for a RNP approach (or any RNP operation) is not; "do we have RAIM", it is; "Do we have the required navigation performance" My FMS...

Forum: Tech Log

1st Feb 2018, 13:29

Replies: 25

RAIM prediction valid only for a preflight phase

Views: 12,905

Posted By A Squared

Well, as far as the RAIM and baro-aiding, Here's...

Well, as far as the RAIM and baro-aiding, Here's how RAIM works on a conceptual, mathematical level. A GPS receiver computes a position by solving for 4 unknowns: Coordinates in 3 Dimensions ...

Forum: Tech Log

31st Jan 2018, 14:48

Replies: 25

RAIM prediction valid only for a preflight phase

Views: 12,905

Posted By A Squared

No, it is not right. RAIM stands for Receiver...

No, it is not right. RAIM stands for Receiver *Autonomous* Integrity Monitoring. In plain English, that means the GPS receiver's ability to determine *by itself* the integrity of the GPS signals....

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