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VOR/LOC BALANCED LOOP ANTENNA/TOWEL BAR GREEN DM N4-4

VOR/LOC BALANCED LOOP ANTENNA/TOWEL BAR GREEN DM N4-4
Out of Stock - On Backorder
VOR/LOC BALANCED LOOP ANTENNA/TOWEL BAR GREEN DM N4-4
VOR/LOC BALANCED LOOP ANTENNA/TOWEL BAR GREEN DM N4-4
DM N4-4 Navigation Antenna | 108 MHz to 122 MHz, 50Ω, BNC

The DM N4-4 navigation antenna system has been designed to minimize bearing errors when receiving VOR and ILS signals. It provides increased gain at the horizon, particularly during banks, than fuselage mounted “deer horn” or “vee” antennas. It can discriminates against vertically polarized signals, and when properly installed on helicopters, it rejects rotor modulation which results in better signal to noise ratios with less errors. Constructed from magnesium tubing, this antenna is lightweight and rugged, and ideal for use on light planes and helicopters.


  • Designed to minimize bearing errors when receiving VOR and ILS signals
  • Provides increased gain at the horizon, particularly during banks
  • Discriminates against vertically polarized signals

Product Codes

Mfr Part No:DM N4-4
ECCN:7A994
NSN:5826-00-739-4479
SCHEDULE B CODE:8526.10.0010
TSO:C40a, C36b


Weight: 2 lb, without cableConnector: BNCMounting: on opposite vertical surfaces of the aircraftFrequency Response: 108 MHz to 122 MHzVSWR: <5.0:1Gain: 0 ±2dBImpedance: 50ΩPolarization Pattern: Omnidirectional in the azimuth plane. Approximately cos. q in the vertical planeEfficiency: 95%Power Handling: Receive OnlyEnvironmental: Military: MIL-E-5400, MIL-T-5422 FAA: TSO-C40a

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  • Stock: Out of Stock - On Backorder
  • Manufacturer Part #: DM N4-4
$11,591.99

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