Model 1138 1.2m QD Quick Deploy Antenna

GD Satcom

Model 1138 1.2m QD Quick Deploy Antenna

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  • Precision compression molded offset reflector
  • Compact galvanized steel pedestal
  • Transport cases included
  • Two-person assembly in less than 5 minutes
  • Captive hardware/fasteners

  • Description
  • Technical Specifications
  • Support Documents

Overview

The General Dynamics SATCOM Technologies lightweight 1.2-meter Quick Deploy antennas are designed for worldwide transmit and receive operation in C, X, Ku and Ka-band. These portable antennas consist of Precision Compression Molded reflectors and a compact aluminum pedestal. This results in a durable antenna with superior stiffness and high performance under wind loading conditions.

The unique shape and the accurate reflector surface provide good sidelobe and cross-polarization performance. The antenna system is a Series 1138 and the reflector consists of a two-segment SMC compression molded assembly. Repeatability is maintained with precision registration of the reflector segments and the feed support structure.

The 1.2-meter antenna, including the feed, is packaged in three portable cases.

Details

  • Precision compression molded offset reflector
  • Compact galvanized steel pedestal
  • Transport cases included
  • Two-person assembly in less than 5 minutes
  • Captive hardware/fasteners
  • No tools required
  • Quick adjust positioner

Electrical*
C-Band 2-Port Linear Polarized
Frequency (GHz)
  Receive
  Transmit
  
3.625 - 4.200
5.850 - 6.425
Antenna Gain at Midband, dBi
  Receive
  Transmit
  
32.1
35.8
VSWR
  Receive
  Transmit
  
1.30:1
1.30:1
Pattern Beamwidth (in degrees at midband) -3 dB
  Receive
  Transmit
  
4.21
2.75
Pattern Beamwidth (in degrees at midband) -15 dB
  Receive
  Transmit
  
8.84
5.78
Sidelobe Performance IESS 601 STD G
Antenna Noise Temp 5° Elevation 61 K
Antenna Noise Temp 10° Elevation 43 K
Antenna Noise Temp 20° Elevation 37 K
Antenna Noise Temp 40° Elevation 39 K
Power Handling 2 kW CW
Cross Polarization Isolation On Axis
  Receive
  Transmit
  
30.0 dB
30.0 dB
Cross Polarization Isolation Within 1.0 dB Beamwidth
  Receive
  Transmit
  
26.0 dB
26.0 dB
Output Waveguide Interface Flange
  Receive
  Transmit
  
CPR-229F
CPR-137F
RF Specification 975-3072
C-Band 2-Port Circular Polarized
Frequency (GHz)
  Receive
  Transmit
  
3.625 - 4.200
5.850 - 6.425
Antenna Gain at Midband, dBi
  Receive
  Transmit
  
32.0
35.8
VSWR
  Receive
  Transmit
  
1.30:1
1.30:1
Pattern Beamwidth (in degrees at midband) -3 dB
  Receive
  Transmit
  
4.21
2.75
Pattern Beamwidth (in degrees at midband) -15 dB
  Receive
  Transmit
  
8.84
5.78
Sidelobe Performance IESS 601 STD G
Antenna Noise Temp 5° Elevation 73 K
Antenna Noise Temp 10° Elevation 55 K
Antenna Noise Temp 20° Elevation 50 K
Antenna Noise Temp 40° Elevation 51 K
Power Handling 1 kW CW
Cross Polarization Isolation On Axis
  Receive
  Transmit
  
17.6 dB
19.1 dB
Cross Polarization Isolation Within 1.0 dB Beamwidth
  Receive
  Transmit
  
17.6 dB
19.1 dB
Output Waveguide Interface Flange
  Receive
  Transmit
  
CPR-229F
CPR-137F
RF Specification 975-3542
X-Band 2-Port Circular Polarized
Frequency (GHz)
  Receive
  Transmit
  
7.250 - 7.750
7.900 - 8.400
Antenna Gain at Midband, dBi
  Receive
  Transmit
  
37.6
38.3
VSWR
  Receive
  Transmit
  
1.30:1
1.30:1
Pattern Beamwidth (in degrees at midband) -3 dB
  Receive
  Transmit
  
2.20
2.03
Pattern Beamwidth (in degrees at midband) -15 dB
  Receive
  Transmit
  
4.62
4.26
Sidelobe Performance DISA
Antenna Noise Temp 5° Elevation 69 K
Antenna Noise Temp 10° Elevation 56 K
Antenna Noise Temp 20° Elevation 51 K
Antenna Noise Temp 40° Elevation 52 K
Power Handling 1 kW CW
Cross Polarization Isolation On Axis
  Receive
  Transmit
  
21.3 dB
21.3 dB
Cross Polarization Isolation Within 1.0 dB Beamwidth
  Receive
  Transmit
  
21.3 dB
21.3 dB
Output Waveguide Interface Flange
  Receive
  Transmit
  
CPR-112G
CPR-112G
RF Specification 975-3514
Ku-Band 2-Port Linear Polarized
Frequency (GHz)
  Receive
  Transmit
  
10.950-12.750
13.750 - 14.500
Antenna Gain at Midband, dBi
  Receive
  Transmit
  
41.6
43.2
VSWR
  Receive
  Transmit
  
1.30:1
1.30:1
Pattern Beamwidth (in degrees at midband) -3 dB
  Receive
  Transmit
  
1.36
1.15
Pattern Beamwidth (in degrees at midband) -15 dB
  Receive
  Transmit
  
2.86
2.41
Sidelobe Performance IESS 601 STD G
Antenna Noise Temp 5° Elevation 71 K
Antenna Noise Temp 10° Elevation 56 K
Antenna Noise Temp 20° Elevation 49 K
Antenna Noise Temp 40° Elevation 48 K
Power Handling 1 kW CW
Cross Polarization Isolation On Axis
  Receive
  Transmit
  
30.0 dB
30.0 dB
Cross Polarization Isolation Within 1.0 dB Beamwidth
  Receive
  Transmit
  
27.0 dB
27.0 dB
Output Waveguide Interface Flange
  Receive
  Transmit
  
WR-75 Flat
WR-75 Flat
RF Specification 975-3078
Mechanical
Reflector Material Two-piece SMC compression molded
Antenna Optics Prime focus, offset feed, 0.8 F/D ratio
Mount Type Quick erect tripod with elevation over azimuth canister
Elevation Adjustment Range 0° to 90°
Azimuth Adjustment Range ±30° above 15° elevation look angle (±10° @ 0° elevation)
Shipping Specifications**
Two-Piece Reflector Case
  Size (L x W x H)
  Weight
  
53” x 16” x 31” (135 x 41 x 79 cm)
105 lbs (48 kg)
Pedestal Case
  Size (L x W x H)
  Weight
  
36” x 20” x 21” (91 x 51 x 53 cm)
76 lbs (34 kg)
All Cases on Skid (feed packed separately)
  Size (L x W x H)
  Weight
  
56” x 58” x 36” (142 x 147 x 91 cm)
220 lbs (100 kg)
Feed Case Consult factory for options and dimensions
Net Weight of Antenna (including Ku-band feed) 100 lbs (45 kg)
Environmental
Wind Loading
Operational 17 mph (27 km/h), no ballast or anchors
45 mph (72 km/h) gusting to 58 mph (93 km/h), with ballast or anchors
Survival 120 mph (193 km/h), with ballast or anchors and reflector removed; remove reflector above 58 mph (93 km/h)
  
Temperature Range (operational) -40° to +140° F (-40° to +60° C)
Rain (operational) 1/2 in/h (12 mm/h)
Ice (operational) 1/2 in (12 mm)
Atmospheric Conditions Salt, pollutants and contaminants as encountered in coastal and industrial areas
Relative Humidity 0% to 100%
Solar Radiation 360 BTU/h/ft2 (1000 Kcal/h/m2)
* Consult factory for Ka-band option.
** Ruggedized aluminum and/or Hardigg cases available as an option.

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