Zawisza Czarny (ship) Association, ZHP and its home harbor is Gdynia. The rig is one of a very rare kind. The three masts are rigged as a wishbone ketch. Only a few sailing vessels are using it today and it is mainly seen on smaller units. Zawisza Czarny (ship) Zawisza Czarny is the name of two Polish sailing-ships owned by the Polish Scouting and Guiding Association, ZHP. Zawsisza Czarny used to be a fishing vessel. After that use it was rebuilt to become a sailing vessel. Three masts were fitted on it and the motor that was built in was an old motor
Radio masts and towers In Germany the Bielstein transmitter collapsed in 1985. Tubular masts were not built in all countries. In Germany, France, UK, Czech, Slovakia, Japan and the former Soviet Union, many tubular guyed masts were built, while there are nearly none in Poland or North America. In several cities in Russia and Ukraine several tubular guyed masts with crossbars running from the mast structure to the guys were built in the 1960s. All these masts, which are designed as 30107 KM, are exclusively used for FM and TV transmission and, except for the mast in Vinnytsia, are between 150 and 200 metres