FIELD: radio engineering, communication.
SUBSTANCE: messenger buoy has a housing. The upper part is designed as a truncated cone centered along the housing axis, with conical tip of radio antenna in the form of a truncated cone continuing up to the cone top. The radio antenna is located inside the housing and mounted for its extension along the axis of the truncated cone towards the ice field and is fixed to exclude its shift inside the body by a thrust ring. The radio antenna is connected by the radio cable with an underwater facility. Means for destruction of ice field are implemented in the form of powder jet engines placed in the lower part of the housing, which are fixed in the bottom of the hull.
EFFECT: ability to provide radio communication during under-ice navigation in emergency situations.
6 dwg
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