Antennas and accessories

Antennas and accessories

Four-system full-frequency external measurement antenna GPS1000

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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