The Traffic page provides a list of all aircraft position reports received within the last 60 seconds. Each time a new aircraft is detected, it is added to the list. Each time a new report is received for an existing aircraft, the list is updated. If a valid position for an aircraft has not been received within the last 60 seconds, the aircraft is removed from the list.
For each aircraft, the list includes the following details:
- Callsign is the aircraft callsign or tail number. Unknown callsigns will be shown as [--N/A--]. Color and symbol indicates traffic source:
- ✈ ADSB1090 1090 MHz air-to-air ADS-B traffic is displayed with a medium blue background and airplane symbol.
- ✈ ADSR1090 1090 MHz ground-to-air ADS-R rebroadcasts are displayed with a light cyan background and airplane symbol.
- 📡 TISB1090 1090 MHZ TIS-B traffic is displayed with a light cyan background and antenna symbol.
- ✈ ADSB978 978 MHz air-to-air ADS-B traffic is displayed with a light tan background and airplane symbol.
- ✈ ADSR978 978 MHz ground-to-air ADS-R rebroadcasts are displayed with a gold background and airplane symbol.
- 📡 TISB978 978 MHz TIS-B traffic is displayed with a gold background and antenna symbol.
- Code is the ICAO 24-bit code (ADS-B/ADS-R targets), 24-bit FAA-assigned track file ID (TIS-B), or Mode C squawk code, if Show Squawk is enabled, and if a squawk code has been received for that target.
- Location - Reported latitude and longitude, DD° mm'.
- Dist - Calculated distance to target in nautical miles. Requires GPS position and Show Distance slider to be enabled.
- Bearing - Calculated bearing to target in degrees true. Requires GPS position and Show Distance slider to be enabled.
- Altitude - Reported pressure altitude, feet MSL. Climb or descent rate is also shown if not in level flight.
- Speed - Reported ground speed, rounded to the nearest 5 knots. Invalid or missing values are shown as '---'.
- Course - Reported true course, rounded to the nearest 5°. Invalid or missing values are shown as '---'
- Power - Signal strength in dB. The maximum signal is about +1.4 dB. For typical unamplified SDRs, the minimum detection threshold is about -35 dB for altitude reports, and -30 dB for position reports.
- Age - Age of the last position report, seconds.
Additionally, if 1090 MHz is enabled on the Settings page, most users will see reports from aircraft in the Basic Mode S and No-Position Messages table. These are targets that do not transmitting ADS-B position. Instead, Stratux is picking up altitude, squawk code, and occasionally velocity reports from non-ADS-B Mode S reports. These include air-to-air TCAS messages and radar interrogations, and typically make up the majority of all 1090 messages received.