General ADS-B Questions

• Do the Dual XGPS170, XGPS170D, or XGPS190 ADS-B receivers work with ForeFlight Mobile?
• What do "Marginal" and "Good" mean when connected to an ADS-B receiver?
• Can I activate a flight plan using cellular data when connected to a Stratus or Sentry?
• Does ForeFlight work with uAvionix devices such as the PingBuddy or PingEFB?
• Why do I occasionally get a ghost target for my ADS-B Out equipped aircraft?
• Why do some airborne ADS-B traffic targets display as diamonds instead of arrowheads?
• Is there an upper altitude limit for ADS-B tower reception?
• What are the parameters for the various colors of displayed ADS-B traffic?
• What do "ADS-B", "ADS-R", and "TIS-B" refer to when displayed with a traffic target?
• Does ForeFlight Mobile need to be running to receive ADS-B data?