Our 8 ground stations monitor the skies and seas over northern Vietnam.
Our 4 ADS-B stations typically track aircraft within 250–300 nautical miles, covering all of northern Vietnam, the Gulf of Tonkin, southern China, and northern Laos. On good days, we see flights as far as Hong Kong and central Thailand.
Our 4 AIS receivers cover the Gulf of Tonkin, Hai Phong port approaches, and the coastal shipping lanes between Vietnam and China. Typical range is 30–50 nautical miles depending on antenna elevation and vessel transmitter power.