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Other Activities of Danger Areas and Other Potential Hazards

1. RADIO SONDE BALLOONS

1.1 Radio sonde balloons are launched within the WARSZAWA FIR from three fixed points determined by the following coordinates:

1) 52°24'N 020°58'E Legionowo

2) 51°07'N 016°53'E Wrocław

3) 54°45'N 017°32'E Łeba

1.2 The maximum altitude (ceiling) - 35000 m, at horizontal displacement radius - 200 km.

1.3 Unit responsible for information: IMGW Ośrodek Aerologii, ul. Zegrzyńska 38 05-119 Legionowo

1.4 Baloons are launched every day between the following hours (UTC): from 1100 to 1300 from 2300 to 0100 Average baloon flight time (120 minutes).