Navegação

4.2. Antenna GPS

dimensions

The figure below shows the dimensions of the antenna, with values ​​in mm.

Specifications

To ensure the accuracy and performance of the reception of Satellite signals for Global Positioning, the system IsoView uses a high-performance antenna that can receive signals from the System GNSS (Global Navigation Satellite System) of type GPS e GLONASS with a high quality as per the specifications below:

LNA Antenna Physical characteristics Environment
LNA gain 40dB GPS L1, L2 Dimension Φ152×62.2mm Operating Temperature -40°C to +85°C
Noise Figure ≤ 2dB GLONASS L1, L2 Connector TNC female Operating Temperature -40°C to +85°C
VSWR Output ≤ 2.0 L-Band signal correction Weight 374g storage temperature -55°C to +85°C
Operation Voltage 3 – 18VDC Polarization RHCP Humidity 95% non-condensing
Current Operation ≤ 45mA Axial Ratio (90°) ≤ 3dB protection level IP67
group delay < 5ns Calibration IGS, NGS
Passband Ripple ± 1dB Nominal Impedance 50Ω
Gain at Zenith + 5.5dBi
Phase Center Offset ± 2mm