Generally, the biggest problem a new ham radio operator will come across when starting out on the high frequency (HF) bands is finding physical space for the antennas. For a quick example ...

Conical antennas are among the oldest of UWB small-element electric antennas having been pioneered by Lodge in the 1890s. The conical antenna family includes biconical dipoles, "monocone" monopoles, ...

Description: Transmission and reception of horizontally polarized waves over medium to long distances The compact, rotatable HF Antenna R&S®HL471 can be used for transmission and reception of ...