Specification

1. Frequency:    GPS  L1:      1575.42MHz±10MHz  

                                       L2:     1227.60MHz±10MHz  

2. Pattern:

       Azimuth:    Omnidirectional

       Elevation:    Hemispherical

3. Antenna relative elev.pattern:

                                             L1                           L2

               θ=00 (zenith)                   7dBic                        6dBic

               00<θ≤700                   > -0.5dBic                     > -1.5dBic

               700<θ≤850                  > -4 dBic                      > -5 dBic

               850<θ≤900                  > -4 .5dBic                    > -5.5 dBic

4. LNA Gain:

L1:40±2dB

L2:40±2dB

5. Attenuation:

Fc±50MHz:          25dB(L1) 30dB(L2)

Fc±140MHz:        50dB(L1) 50dB(L2)

6. L1-L2 differential Propagation delay:      ≤10nsec

7. Polarization:     Right-hand circular

8. AR:           ≤3dB

9. Noise:      ≤1.5dB

10. Impedance:     50Ω 

11. VSWR:                 ≤2:1

12. error of Phase Center:    ±2mm

13. Power requirements:      Voltage: 5VDC

                                                   Current:  80mA(typ.)

13.Connector:   TNC female

14. Operating Temperature:    -40°C~+85°C 

15. Store Temperature:    -55°C~+85°C 

16. Weight:   ≈ 450 g

  17. Size:    Φ178mm×67mm