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A resistive monopole was designed using thin-film evaporation techniques. Measurements of radiation patterns were made over a 100:1 frequency band and compared to the theory of Wu and King. Current amplitude measurements exhibited a more rapid fall-off at the higher frequencies than the almost linear decay observed at the low frequencies. The input admittance was found to have a relatively gradual increase with frequency and reached a final value of approximately (16 + j4) m-1The efficiency of the antenna was observed to increase markedly with increase in frequency.
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Lally et al. (1970) studied this question.
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