Abstract: The invention relates to a device for wind bracing of the vertical members of a lattice mast. It is characterized in that it is provided at its ends (5, 6) with detachable means (8, 9) for joining it to its vertical members, which in turn are provided with complementary means (10).

Abstract: A device for articulating a base of a mast for raising a mast carrying an antenna into an upright position, the device comprising a mast-engaging member which includes a collar (6) provided on one side with a means for affixing the base (2) of the mast to the member and, on its other side, is provided with two parallel depending plates (8), each having a slotted opening (10), said openings (10) open out at free ends (9) of the plates in order to form a pair of spaced forks, the openings being at least equal in size to the diameter of a journal (11) having a horizontal axis and supported by a stake means (12) that is fixed to the ground (4), whereby the forks permit the member to be articulated about the journal.

Abstract: The invention relates to a cylindrical mast element comprising a tube (2) one end (4) of which is extended by a sleeve tube (5), and each end of which has plane, inclined surfaces (7, 8). Its wall is constituted by successive coils of pieces of fabric impregnated by polymerizable resin, all of which is then polymerized.The element has, in the zone (9) near a beveled end (6) facing the sleeve tube (5) of an adjacent coupling element and corresponding to the coupling zone (9), at least one additional piece of oriented fabric, which is disposed in such a manner that its greater strength is in the transverse direction of the mast. A plurality of elements may be joined for constructing a mast. To this end, the tubular elements are internested end to end.