CHARACTERISTICS
CONVENIENCE
It is a compact, lightweight efficient antenna that's quickly
deployable. It is ideal where an HOA restricts full-size wire
antennas, or where there just is not enough room to erect a
conventional antenna. Many operators favor the MLA for field day
and SOTA (Summit On The Air) operations.
LOW NOISE
The MLA rejects locally
generated noise due to its
inherent magnetic field coupling
and its relative insensitivity to the
electric field. That's fortuitous.
Most interference sources with
radio-frequency content, directly
radiate in the near electric fields.
That's a big advantage for using
an antenna that's insensitive to
the main interference sources
present in that frequency range.
EFFICIENCY
When designed and
constructed properly, an MLA
performs as well or even better
than a dipole antenna.
According to the American
Radio Relay League (ARRL)
technical editor, Jerry Hall
K1TD, in describing MLA gain,
concluded: “in fact, it (MLA)
considerably exceeds the gain
of a dipole when the MLA is
mounted close to the ground”.
Fig. 3 Near field propagation, magnetic
field (blue) versus electric field (red)
Fig. 4 Dipole v. Mag loop radiation
patterns, note superior low angle for
loop
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User Guide HG3 Stepper Mag Loop V1.2 © preciseRF - page 5
