DMN25-1 Glide Slope Antenna Frequency 329-335.3 MHz
(DAI Part# DMN25-1)
The DMN25 series of glide slope antennas employ a grounded,
center-fed loop as the radiating element. The resulting radiation
patterns are symmetrical. The DMN25-2 is a dual connector version
which incorporates a hybrid. This circuitry effectively isolates the two
associated receiving systems providing protection against disablement
of both systems in the event of failure in one system. The radiation
pattern associated with each DMN25-2 antenna port is identical, so
that no coupler drop-out problem during automatic landing occurs.
All DMN25 series antennas provide complete lightning protection for the
associated receivers. They are suitable for mounting either externally, or
within a nose radome. The inherent 180° pattern beam may be modified
slightly by the geometry surrounding the installation. The DMN25
antennas are recommended for installations in close proximity to radar
dish installations since the antenna's (glide slope) sensitivity is relatively
unaffected by dish motion.
|
|