The HF whip monopole antenna is designed for deployment on open ground or permanent installation and includes a deployable groundplane. The antennas’ radiation pattern is suitable for medium to long range HF monitoring. The active version of this antenna uses an operational amplifier as the active component of the antenna which operates from 9 kHz to 30 MHz. The active version features a passive bypass mode which comes into operation when the antenna is powered down. In this mode, the active matching and amplification circuitry is bypassed, and the antenna operates as a completely passive receiving antenna.
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9 kHz to 30 MHz frequency range, Rugged Quick deployment time, Self-contained groundplane, Glass fibre insulated radiator, Lightning induced surge and static protection, Passive bypass mode option