GTAS-97 ANTI-JAM RECEIVER Joint Direct Attack Munitions (JDAM) receiver Key Features + Affordable protection for position, velocity and time at anti-jamming proposal + High anti-jamming immunity + Simultaneous GPS-L1, GLONASS-G1 and BD2-B1 + Compatible with legacy GPS receivers with quick unlock recapture + 7-element antenna units with adaptive digital nulling, provides 6 independent nulls Leading edge technology The GTAS-97 ANTI-JAM RECEIVER mitigates interference by creating nulls in the antenna gain pattern in the direction of jammers, providing significant anti-jam protection even in dynamic multi-jammer scenarios. Interference mitigation is achieved by applying proprietary digital null forming algorithms to the signals, creating dynamic nulls to give protection against narrowband and broadband interference sources. High anti-jamming immunity The 7-element Array-ring antenna array allows gain pattern shapes to be changed in response to interference. Provides 6 independent nulls. The type of anti-jamming signal cover the entire bandwidth span of GNSS signal and include swept waveforms, pulsed waveforms, broadband noise and other multi-frequency and time-varing versions of most of the same methods.
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GTAS-97 ANTI-JAM RECEIVERJoint Direct Attack Munitions (JDAM) receiver
Key Features+ Affordable protection for position, velocityand time at anti-jamming proposal
+ High anti-jamming immunity
+ Simultaneous GPS-L1, GLONASS-G1 andBD2-B1
+ Compatible with legacy GPS receivers withquick unlock recapture
+ 7-element antenna units with adaptivedigital nulling, provides 6 independent nulls
Leading edge technologyThe GTAS-97 ANTI-JAM RECEIVER mitigates interferenceby creating nulls in the antenna gain pattern in thedirection of jammers, providing significant anti-jamprotection even in dynamic multi-jammer scenarios.Interference mitigation is achieved by applyingproprietary digital null forming algorithms to the signals,creating dynamic nulls to give protection againstnarrowband and broadband interference sources.
High anti-jamming immunityThe 7-element Array-ring antenna array allows gainpattern shapes to be changed in response tointerference. Provides 6 independent nulls. The type ofanti-jamming signal cover the entire bandwidth span ofGNSS signal and include swept waveforms, pulsedwaveforms, broadband noise and other multi-frequencyand time-varing versions of most of the same methods.
GTAS-97 ANTI-JAM RECEIVER
FEATURES
GNSS Technology
The receiver gives the solution according tothe instruction in real time, and outputs dataat the binary format by customized protocol
Signal Tracking Modes:
• GPS-L1+GLONASS-G1+BD2-B1• BD2-B1+ GLONASS-G1• BeiDou2: B1
Controlled Reception Antenna with low noiseamplifier at a gain of 26dB
Formats
RTCM v3.0 and 3.2 (MSM included)
CMR2.0 and CMR+ (CMR+ input only)
NMEA 0183, v2.3, v3.01, v4.0 (output only)
Communication ports
2 RS232 (up to 115,200 bps)
1 PPS port (LV-TTL3.3V)
China12/F, San Toi Building, 137-139 Connaught Road Central, Hong Kong
Tel: +86-1831-0915-100 Fax: +86-10-56683291
Email: [email protected]
PERFORMANCE PHYSICAL AND ENVIRONMENTAL
Position accuracy Size 220 x 220 x 60 mmHorizontal (RMS) ≤10 m Ø 8.67 x 2.36 inVertical (RMS) ≤10 m Weight (Enclosure) 2100g
Velocity accuracy Power consumption 35W
Steady state (RMS) 0.1 m/sJerk = 0.5 g/s (RMS) 0.5 m/s Input voltage +5V±0.2 VJerk = 5 g/s (RMS) 2 m/s
Antenna LNA power outputDynamics Output voltage 5 VDC ±5%
Velocity 300 m/s Maximum current 70 mAAcceleration 10 gJerk 5 g/s Connectors
Antenna Connector SMP-JHDL-2Interference rejectionSingle nulling direction > 95 dB (JSR) Operating temperature -40 °C to +70 °C3 nulling directions > 85 dB (JSR) Storage temperature -55 °C to +85 °C6 nulling directions > 60 dB (JSR)Number of simultaneous nulling directions 6
Typical receiver sensitivity <-135dBm
Data update rate 1Hz/2Hz/5Hz/10Hz
Time to first fixColdStart < 40sWarm Start 3s ~ 8s
Signal re-acquisitionUnlock time < 5sSignal recapture < 1s
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