The DM N25 series glide slope antennas use a grounded, center-fed loop as its radiating element, resulting in a symmetrical radiation pattern. The N25 GS antennas provide complete lightning protection for associated receivers. These antennas can be mount either externally or inside a nose radome, even though its 180° degree bean pattern may be slight altered by the antenna's installation surroundings. Recommended installation of the N25 antenna is within close proximity to a radar dish installation since the glide slope sensitivity is relativity unaffected by dish motion.
This DM N25 glide slope antenna has a TNC female connector.
Features
- 329 MHz – 335.3 MHz frequency range
- Grounded center-fed loop design produces symmetrical radiation pattern
- Mountable externally or inside a nose radome
Specifications
Weight:
8 oz (0.23 kg), N25-1 model
14 oz (0.39 kg), N25-2 model
8 oz (0.23 kg), N25-3 (AT-983) model
Connector:
TNC female, N25-1 model
C female, N25-2 model
Pressurized N female, N25-3 (AT-983)
Frequency Range:
329 MHz – 335.3 MHz
VSWR:
5:1, N25-1
3:1, N25-2
3:1, N25-3 (AT-987)
Gain:
0 dB
Impedance:
50Ω
Polarization:
horizontal
Power Handling:
receive only
Environmental:
Military:
Qualified for vibration, humidity, temperature-\altitude shock and salt spray per MIL-T-5422E
FAA:
TSO C34b
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