3803 KM is the designation of a free-standing lattice tower used for broadcasting purposes, which was built in over 80 towns of former Soviet Union from 1955 to 1972 and used for FM- and TV-broadcasting. Towers of this type, which was developed by the Soviet Institute for Steel Construction, are 4-side freestanding truss towers which make use of tubular steel columns for their main supports beams and can be differentiated from more recent towers of a similar profile by this unique feature. Most newer Russian designs along with their North American and European counterparts typical make use of L or T-beams instead. Another distinct feature of these towers is that they gradually tamper wider towards the base at the same preset intervals. They are also nearly universally identical in height,