When on the move, or during the course of a battle, the low-power radios could still be used from batteries, with vertical whip aerials.
2.
:: : : : : : PS . Do you know what a whip aerial is and why they are used, together with their efficiency and suitability in the right application?
3.
Following the modifications the wireless transmitting aerial was supported on a frame behind the fin; but was later replaced with a whip aerial on the starboard side of the fin which could be rotated hydraulically to a horizontal position.
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