These images show the ptracks maps generated by tar1090 at 06:00Z and 18:00Z each night and cover the previous 12 hours. Four different altitude layers are generated. This should help to identify areas where we need to improve coverage. Levels are 0k-5k, 5.5k-17k, 17.5k-30k and 30.5k+ (feet). Click to open bigger in a new tab. An archive is available here.