Glide Slope Antenna Type dBs 300
Specifications
P/N 300300-100

Performance Characteristics:

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  • Type: Uni-Directional Corner Reflector

  • Azimuth Coverage: 23° Nominal HPBW. Azimuth Pattern within limits as defined by Figure 1

  • Frequency Range: 328 through 336 MHz ( no adjustments or tuning required)

  • Array: 3 co-linear dipoles

  • Coaxial Cable: Semi-Rigid, Low Loss, Phase Stable

  • Polarization: Horizontally polarized - Vertical component >25 dB below Horizontal component

  • Gain, main beam: >10 dB/iso

  • Vertical Coverage: 75° Nominal HPBW. Vertical Pattern shown in Figure 2. Front to Back ratio > 16 dB.

  • Main beam location: Within ±2° of mechanical axis. Electrical center is normal to and centered within the reflector face.

  • Power Handling capability: <50 Watts CW.

  • Impedance: 50 W nominal

  • VSWR: <1.25:1 from 328 MHz to 336 MHz.

  • Size: 30" H x 87.5" L x 15" W

  • Weight: 38 Lbs.

  • RF Monitor: Monitor coupling factor is 10 db ± 1 dB below input signal level. Monitor is stable to within ±0.5 dB and ±5° (electrical phase) over environmental conditions.

  • Antenna Heater: Main Power 240 VAC, 240 Watts. heaters always wired to ON. External Thermostat control required.

  • Interface Connectors: Main RF Input: Type N Female, RF Monitor Output: Type N Female, Antenna Heater AC Input: MS-3102-22-9P

  • Environmental: FAA-G-2100F, Environmental III 4 in/hr rain, sleet and snow

  • Mounting: 4 ea. 7/16 dia. thru holes for 3/8 dia Bolts. Interface bolt pattern horizontal separation is 21.5", vertical separation is 19.75"

  • Support Bracket, Glide Slope: Optional Position Adjusting Mounting Bracket, P/N 300500-100. Allows ±18" continuous adjustment of antenna physical position in vertical and horizontal axis.

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