ADS-B Performance Report |
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JimC
Newbie Joined: 01 May 2017 Status: Offline Points: 8 |
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Posted: 09 Jun 2018 at 2:08pm |
I have a Garmin GTX330ES with a IFD440 as Nav Source.
To the best of my knowledge the system has been working fine for at least the last 1.5yrs. For grins I ran an ADS-B performance report yesterday and noticed that I have an SIL error showing up. I cannot decode what data might be missing. Any suggestions as a starting point? EXCEPTIONS: NIC=NO NACp=NO NACv=NO SIL=YES SDA=NO INTEGRITY & ACCURACY Category NIC NACp NACv SIL SDA % Fail 0.00% 0.00% 0.00% 100.00% 0.00% Max dT 00:00 00:00 00:00 01:57 00:00 MCF 0 0 0 7104 0 Avg 9.0 10.0 2.0 1.0 2.0 Min 8 8 1 1 2 Max 9 10 2 1 2 AIR on GROUND % Fail 2.50% Max dT 00:03:01 MCF 150 The forum would not let me post an image but one is attached and available at this url: |
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Cruiser
Senior Member Joined: 24 Feb 2017 Location: Ohio Status: Offline Points: 139 |
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SIL is source integrity level. The only acceptable level is "3" you are broadcasting "1"
The IFD440 is certified to broadcast at "3" so there is a configuration error, probably in the GTX330es. Make certain the GPS Integrity is set to 1E-7. This setting is on the GPS Configuration page. |
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