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This DF-A0038 DF antenna covers a frequency range of 20 MHz to 3 GHz. An integrated active monitoring antenna, working up to 3 GHz, gives a high sensitivity omni on the same axis as the DF antenna, without interference between them.
The DF-A0038 direction finding antenna covers a frequency range of 20 MHz to 3 GHz. An integrated active monitoring antenna, working up to 3 GHz, gives a high sensitivity omni on the same axis as the DF antenna, without interference between them.
The full-size elements on all bands give excellent DF sensitivity. Ultimate angular resolution for strong signals is well under 1° for most of the frequency range. Dipole elements provide good cross-polarisation rejection. They also provide fair performance for signals arriving from up to 15° above or below the horizon.
The integrated monitoring antenna is in two bands, mounted above the Band C DF antenna. These are amplified at the top of the cable, and passively combined to give continuous coverage over the frequency range 20 MHz to 3 GHz, with a single output connector. A 6 GHz option is also available.
This DF antenna is designed to be used with a 2-channel phase-sensitive receiver, and correlative algorithm. Characterisation of the antenna can be performed on request.
| Active / Passive | Active | ||
| Dimensions (m) | 3.4 m high2.7 m diameter | ||
| Mass (kg) | 55 | ||
| Maximum VSWR | 03:01 | ||
| Polarisation | Vertical | ||
| Size (m) | 3.4 | ||
| 1. End Frequency (MHz) | 3000 | ||
| 1. Start Frequency (MHz) | 20 |
