1.1 This standard lays down the dimensions of aerial rods with circular and barrel cross-section and ol aerial slabs of approximately rectangular cross-section, made of ferrimagnetic oxides.
1.2 Tubes, pins and other rods made of magnetic oxides are not covered by this standard.
IS 1176-1977 history
1978IS 1176-1977 Dimensions of ferromagnetic material antenna masts and plates