Garmin GMR 404/406 Radar Pedestal GMR 404/406 Owner's Manual - Page 20

Appendix, Specifications, 4 ft Open-Array Antenna, Open-Array Scanner

Page 20 highlights

Appendix > Specifications Appendix Specifications 4 ft Open-Array Antenna Type: End fed slotted waveguide Horizontal Beamwidth: 1.8 degrees Horizontal Sidelobes: -23 dB within ±10 deg of main -30 dB outside ±10 deg of main Vertical Beamwidth: 24 degrees Antenna Gain: 29 dBi Polarization: Horizontal Input Return Loss: Better than -20 dB Weight: 12 lbs (5.4 kg) 6 ft Open-Array Antenna Type: End fed slotted waveguide Horizontal Beamwidth: 1.1 degrees Horizontal Sidelobes: -25 dB within ±10 deg of main -30 dB outside ±10 deg of main Vertical Beamwidth: 24 degrees Antenna Gain: 30 dBi Polarization: Horizontal Input Return Loss: Better than -20 dB Weight: 16 lbs (7.3 kg) 14 Open-Array Scanner Transmit Power: 4 kW Transmitter Frequency: 9410 ±30 MHz Input Voltage: 10.5 - 38 volts DC Typical Input Power: 45 W Input Power (100 kts wind): 130 W maximum Range/Pulse Width/PRF (nm/nsec/Hz): 0.125/65/2304 0.250/65/2304 0.500/80/2304 0.750/200/1152 1.0/250/1152 1.5/500/576 2.0/500/576 3.0/800/576 4.0/800/576 6.0 - 24/1000/576 36 - 72/1000/288 Antenna Rotation: 24 rpm and 48 rpm Maximum Wind Load: 100 kts Receiver Noise Figure: Less than 4 dB Environmental: Temp: -10ºC to +60ºC Humidity: 95% at 35ºC Rel Wind: 100 kts Waterproof to IEC 60529 IPX6 Range: 20 meters minimum, 72 nm max Range Discrimination: 20 meters GMR 404/406 Owner's Manual

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GMR 404/406 Owner’s Manual
A
PPENDIX
>
S
PECIFICATIONS
A
PPENDIX
Specifications
4 ft Open-Array Antenna
Type:
End fed slotted waveguide
Horizontal Beamwidth:
1.8 degrees
Horizontal Sidelobes:
-23 dB within ±10 deg of main
-30 dB outside ±10 deg of main
Vertical Beamwidth:
24 degrees
Antenna Gain:
29 dBi
Polarization:
Horizontal
Input Return Loss:
Better than -20 dB
Weight:
12 lbs (5.4 kg)
6 ft Open-Array Antenna
Type:
End fed slotted waveguide
Horizontal Beamwidth:
1.1 degrees
Horizontal Sidelobes:
-25 dB within ±10 deg of main
-30 dB outside ±10 deg of main
Vertical Beamwidth:
24 degrees
Antenna Gain:
30 dBi
Polarization:
Horizontal
Input Return Loss:
Better than -20 dB
Weight:
16 lbs (7.3 kg)
Open-Array Scanner
Transmit Power:
4 kW
Transmitter Frequency:
9410 ±30 MHz
Input Voltage:
10.5 – 38 volts DC
Typical Input Power:
45 W
Input Power (100 kts wind):
130 W maximum
Range/Pulse Width/PRF (nm/nsec/Hz):
0.125/65/2304
0.250/65/2304
0.500/80/2304
0.750/200/1152
1.0/250/1152
1.5/500/576
2.0/500/576
3.0/800/576
4.0/800/576
6.0 – 24/1000/576
36 – 72/1000/288
Antenna Rotation:
24 rpm and 48 rpm
Maximum Wind Load:
100 kts
Receiver Noise Figure:
Less than 4 dB
Environmental:
Temp: -10ºC to +60ºC
Humidity:
95%
at 35ºC
Rel Wind: 100 kts
Waterproof to IEC 60529 IPX6
Range:
20 meters minimum, 72 nm max
Range Discrimination:
20 meters