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Search: Posts Made By: peekay4
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6th Dec 2016, 03:47
Replies: 1,096
Views: 1,236,104
Posted By peekay4

I can only say that most major ATC & Flight...

I can only say that most major ATC & Flight Planning systems around the world do not check the "endurance" field against regulatory requirements. Only simple syntax and semantic checks are...
3rd Dec 2016, 22:04
Replies: 1,096
Views: 1,236,104
Posted By peekay4

If these RJ85s are really transmitting at NUCp 0...

If these RJ85s are really transmitting at NUCp 0 data quality level as Dave says then forget about trying to match positions. NUCp 0 means the position error could be greater than 10 nm.
...
2nd Dec 2016, 23:54
Replies: 1,096
Views: 1,236,104
Posted By peekay4

If NUCp of 0 is actually accepted then yes, you...

If NUCp of 0 is actually accepted then yes, you have departed from the planet.

NUCp zero means the ADS-B data is invalid, and any position information should be discarded.
2nd Dec 2016, 22:05
Replies: 1,096
Views: 1,236,104
Posted By peekay4

Or that your interpretation of the aircraft's...

Or that your interpretation of the aircraft's ADS-B installation is incorrect.

Hmm, I wonder which one is more likely?? :}
2nd Dec 2016, 21:45
Replies: 1,096
Views: 1,236,104
Posted By peekay4

Yet 1nm error implies a NUCp of 3, which is not...

Yet 1nm error implies a NUCp of 3, which is not acceptable to any ATS since NUCp values of 4 or lower are automatically discarded by infrastructure. With that kind of performance that RJ85 would not...
2nd Dec 2016, 20:46
Replies: 1,096
Views: 1,236,104
Posted By peekay4

Strictly speaking ADS-B does not require GPS /...

Strictly speaking ADS-B does not require GPS / GNSS. But practically speaking, a WAAS GPS system is the "easiest" way to comply with ADS-B's performance requirements.

Many ADS-B systems are sold...
30th Nov 2016, 16:53
Replies: 1,096
Views: 1,236,104
Posted By peekay4

The problem is that the intended airport may...

The problem is that the intended airport may close for reasons other than weather. Security situations, accidents, fires, ATC or NAV/COM issues, natural disasters, etc.

So it's a good idea to...
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