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Unmatched Signal Tracking & Multipath Reduction
Topcon’s newly designed PN-A5 antenna combines the Topcon’s new TA-5 full spectrum GNSS antenna element with an innovative convex impedance ground plane. The TA-5 antenna element utilizes an array of vertical dipoles to provide highly sensitive and stable Full Wave signal tracking for all existing and planned GNSS signals. Topcon’s new convex impedance ground plane provides improved multipath mitigation while providing minimum signal loss for satellites tracked to the horizon.
Features:
- High-end Geodetic Antenna
- Topcon’s TA-5 vertical convex dipole antenna element for full spectrum GNSS signal tracking
- Topcon newly design semi-hemispherical convex impedance groundplane
- Environmentally robust and sealed
- Minimized phase center offset variations in vertical within GNSS frequency band. Improved tracking for low elevation satellites providing reliable signal tracking from the local horizon to zenith.
Full Spectrum GNSS Antenna:
The PN-A5 antenna is revolutionary technology. It shares the same TA-5 antenna element as the CR-G5 but has a new, pin based, semihemispherical ground plane design assuring excellent SV db Gain to the horizon, where a choke ring antenna generally has drop off at low angles.
Unmatched signal tracking and multipath reduction, Topcon’s newly designed PN-A5 antenna combines the Topcon’s new TA-5 full spectrum GNSS antenna element with an innovative convex impedance ground plane. The TA-5 antenna element utilizes an array of vertical dipoles to provide highly sensitive and stable Full Wave signal tracking for all existing and planned GNSS signals. Topcon’s new convex impedance ground plane provides improved multipath mitigation while providing minimum signal loss for satellites tracked to the horizon.
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- Technical Specifications
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Diameter (Physical)
- Antenna without Anti-snow: 380 mm
- With Anti-snow Spherical: 380 mm
- With SCIGN Anti-snow Short: 415 mm
Height (Physical)
- Antenna without Anti-snow: 262 mm
- With Anti-snow Spherical: 292 mm
- With SCIGN Anti-snow Short: 287 mm
Weight (Physical)
- Antenna: 6.7 kg
- Topcon Anti-snow Spherical: 1.1 kg
- Antenna w/ Anti-snow Sph: 7.8 kg
Power (Physical)
- Input Voltage: +3 to +12 VDC
- Current Consumption: 100 mA (typical)
- Connector: N-type
MIL-STD-810G (Environmental)
- Temperature: (Methods 501.5, 502.5)
- Operating Range: -50°C to +70°C
- Storage Range: -55°C to +85°C
Environmental
- Humidity: 95%, Method 507.5
- Vibration: Method 514.6, Broad band noise
- Mechanical Shock: Method 516.6. Procedure I
- Waterproof: IEC 60529 IPX7
- Dustproof: IEC 60529 IP6X
- Drop Test: Repeated drops from height of 1m
- RoHS Compliant: Yes
Operating Frequency Range (Performance)
- Lower band: 1230 MHz±70 MHz
- Upper band: 1565 MHz±50 MHz
Out-of-Band Rejection (Performance)
- Upper band (1568.5±100MHz): -30 dBc (typical)
- Upper band (1568.5±150MHz): -50 dBc (typical)
- Lower band (1232±100MHz): -30 dBc (typical)
- Lower band (1232±150MHz): -50 dBc (typical)
- f < 1000 MHz: -80 dBc (typical)
- f > 1750 MHz: -80 dBc (typical)
Performance
- LNA Gain: 48 dB (typical)
- Noise Figure: 1.0 dB (typical)
- VSWR: 1.5 : 1
- Nominal Impedance: 50 Ohm
Gain at Zenith (Performance)
- Lower band: -12 dB (typical)
- Upper band: -10 dB (typical)
Gain Roll-Off (Performance)
- GPS L1: -15.5 dB
- GPS L2: -18.5 dB
- GPS L5: -18 dB
- GLONASS L1: -15.5 dB
- GLONASS L2: -18.5 dB
Differential Propagation Delay (Performance)
- Lower band: 3 ns (maximum)
- Upper band: 3 ns (maximum)
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