Testing Equipment for Aircraft Anti-Jamming GPS System

Overview of Equipment

  • Anti-Jamming Performance Test for Aircraft mounted GPS system from the ground
  • Anti-Jamming Performance Test for Aircraft mounted GPS system in midair

Key Technologies/Performance

  • Individual or simultaneous radiation by randomly varying the signal output for the frequencies of GPS L1 and L2 bands
  • Independent or complex radiation of various Jamming signals implemented by proprietary algorithms

Product Components

  • Main equipment, remote controller, antenna, battery and charger

Specification (Signal Generator)

Parameter Specification Comment
Frequency • GPS L1 : 1,575.42 ± 12 [Mhz]
• GPS L2 : 1,227.60 ± 12 [Mhz]
Available to use independently and simultaneously
Transmission Power • -100 [dBm] to 15 [dBm]
(Output Range : Total Signal / Control Unit : 1dB±0.5dB)
Modulations Types BB • Central frequency 
 - GPS L1 ± n x 2 [Mhz] / L2 ± n x 2 [Mhz]
• Band Width : 20.46 [Mhz]
Choose n Value N = 0, 1, 2, 3 Available to use independently and simultaneously
CW • Single Tone @ GPS L1/L2 ± n x 2 [Mhz] Choose n Value N = -10, 0, 10
NB • Band Width : 20 [khz]

Specification (Antenna and Signal Amplifier)

Parameter Specification Comment
Antenna • Beam width : 60 x 60 [deg] (±5 deg)
• Main lobe gain : up to +5 to 7 [dBi]
Directivity, non-directivity Available both
Power Amplifier • 0 ~ 50 [W] / available to control continuously
Power • AC 220V
• DC 28V(±10%) / Battery can be operated for more than 60 minutes
Available both
  • Conceptual map for outdoor performance test operation

  • Testable area for antenna horizontal radiation pattern

  • Conceptual map for performance test operation after maintenance

  • Testable area for antenna vertical radiation pattern


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