The Garmin GTX330ES broadcasts on the 1090 band, while the Stratus 1 and 1S receive only on the 978UAT band. Because of this, the ADS-B ownship line may not populate in ForeFlight Mobile.
To correctly configure the GTX330ES, ensure the GTX330ES is set to request traffic information broadcast exclusively on the 978UAT band. This setup provides a more complete traffic picture received from ADS-B ground stations.
Traffic broadcast is set for only the 978UAT band.
If the GTX330ES manual is unavailable, contact an avionics shop for help configuring the system.
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