Abstract
HF small antennas are widely applied in military, mobile, radar and marine activities. In the design of electrically small antennas, there is a tradeoff between its size and parameters. In this paper, an electrically small monopole HF antenna with the height of 116cm, diameter of 19cm and weight of 7kg, covering 1.5 to 30MHz selective was designed, simulated and implemented. The method used in the paper is a capacitive top and inductive center loaded. Suitable resonance at operation frequencies, with desired performance, was achieved. Because of operating at the low frequencies, the bandwidth and radiation efficiency were degraded. These were improved using the lossy and large diameter of the material.
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