Low profile VHF antenna for mobile communication

Murugan, M.; Kokate, Vishwanath K

doi:10.1109/indico.2004.1497779

Cited by 3 publications

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“…The spiral and patch antennas have no nulls in the upper half space but their gain rapidly rolls off in the horizon. To fill the zenith null of a monopole, a horizontal element has been added, resulting in the inverted-L antenna [2] and the inverted-F antenna [3]. The inverted-L antenna can be arrayed to obtain null-filled hemispherical circularly polarised radiation [4].…”

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Wideband low‐profile null‐filled monopole antenna for aircraft flush‐mount applications

Bang

2015

Electron. lett.

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A wideband low-profile null-filled monopole antenna for aircraft flush-mount applications is presented. The antenna consists of a semicircular monopole and a direct-fed dual loop in a flanged cylindrical cavity. The zenith null in the monopole radiation pattern is filled by horizontal currents of the dual loop. Measurement shows that the proposed antenna has a reflection coefficient of <−10 dB over 4.53-7.43 GHz, 6.45 dBi maximum gain, −0.8 dBi filled null depth and a −3.7 dBi minimum horizontal gain at 6 GHz.

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confidence: 99%