The antennas RF-1940 and RF-1941 are built by HARRIS ©.
They can be erected as half-wave dipole; as sloping-vee or as inverted-vee antenna.
The dipole wires have markings, so the exact length can be unwound for the specific frequency.
A chart is in the manual.
The antenna can be erected by one person; no additional hardware is required.
The collection holds the antenna: