Product Introduction The GPS1000 is a four-system full-band external measurement antenna encompassin...
Product Introduction
The GPS1000 is a four-system full-band external measurement antenna encompassing GPS, GLONASS, BDS, and GALILEO, meeting the current requirements for multi-system compatibility in surveying equipment. It can be widely used in geodetic mapping, marine surveying, waterway surveying, dredging surveying, earthquake monitoring, bridge deformation monitoring, landslide monitoring, and port container operations, among other applications.
Technical features
1. The antenna section adopts a multi-feed design to ensure the phase center coincides with the geometric center, minimizing the antenna's impact on measurement errors;
2. The antenna element has high gain and a wide beam pattern, ensuring good reception of low elevation signals and enabling normal satellite reception even in heavily obstructed environments;
3. It features an anti-multipath choke, effectively reducing the impact of multipath on measurement accuracy.
Technical parameters
Antenna characteristics | |
Frequency range | GPS L1/L2/L5/LBand BDS B1/B2/B3 GLONASS L1/L2 GALILEO E1/E2/E5a/E5b
|
Impedance | 50 ohms |
polarization mode | Right-hand circular polarization |
Antenna axial ratio | ≤3dB |
Horizontal plane coverage angle | 360° |
Output standing wave | ≤2.0 |
Maximum gain | 5.5dBi |
Phase center error | ±2mm |
Low noise amplifier specifications | |
Gain |
40±2dB
|
Noise figure | ≤2dB |
Output standing wave | ≤2.0 |
Inner flatness | ±2dB |
Operating voltage | +3.3~+12VDC |
Operating voltage | +3.3~+12VDC |
Operating current | ≤45mA |
Differential transmission delay | ≤5ns |
Structural characteristics | |
Antenna size | Φ152*62.2mm |
weight |
≤450g
|
Connector type | TNC vulva |
Installation method | For centering rod installation, thread specification: Imperial coarse thread 5/8"-11, height 12-14mm. |
Work environment | |
Operating temperature | -40℃~+85℃ |
Storage temperature | -55℃~+85℃ |
Humidity | 95% non-condensing |
Structural dimensions (dimensional tolerance ±0.2mm)



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