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Structure-specific FM antennas

AlanDick Broadcast Ltd. (ADBL)

Two new FM antennas are being showcased at IBC.The company said these antennas – a Shared Aperture FM Crossbow and a FM Spearhead – were specifically developed to meet environmental concerns and zoning and planning restrictions.

The FM Crossbow antenna provides an omnidirectional horizontal radiation pattern from an array of four panels mounted around a square structure. The FM Spearhead is ideal for triangular structures and provides an omnidirectional radiation pattern from a selection of three panels.

AlanDick DAB antenna elements were designed to be fitted onto the existing FM antennas without disturbing installation or performance. The systems were range tested to optimise the RF performance of the combined DAB/FM antennas. ADBL is also showcasing its VHF BIII mask filter/combiner and popular UHF and FM units and towers.