Ground Stations

Remotely operable ground station networks with continuous access, tracking and the control of space assets from anywhere on the planet

Discover

Bespoke
antennas

VHF 2 m

UHF 70 cm

2m_HP_VHF_YAGI

Model

70cm_HP_UHF_YAGI

135 - 175 MHz

Frequency Range

400 - 470 MHz

11 dBi

Gain

16.3 dBi

19.9 dB

Front-to-back Ratio

14.8 dB

E = 43° , H = 51°

Beamwidth

E = 28.5° , H = 31°

Halfwave dipole

Feed Type

Halfwave dipole

Right hand circularly polarised

Polarisation

Right hand circularly polarised

50 Ohms

Impedance

50 Ohms

1:1.5

Max. VSWR

1:1.5

N - connector (Female)

Input Connector

N - connector (Female)

1 kW

Power Handling

1 kW

3 m

Boom Length

3 m

Radiation Pattern

VHF Antenna

UHF Antenna

Modulation
support

FSK, AFSK, BPSK

Frequency
coverage

135-175 MHz to 400-470 MHz

Power
output

1 W - 100 W

Customize

S/X-Band Telemetry Tracking and Command (TT&C) and Payload Downlink Antenna System

Dhruva Space offers Ground Station solutions for Satellite and Ground Station operators, both as a stand-alone product and as a service with a network of partner Ground Stations spread across the world. The S/X Band stations are equipped with high-gain antennas capable of communicating with LEO, MEO and GEO satellites.

Antenna Range:

3 meter X-Y Rotator (Mesh)
4.5 meter Az/El Rotator-ABS (Mesh)
3.8 meter X-Y Mount

4.5 meter X-Y Mount
7.5 meter X-Y Mount
Custom Requirements

S BAND

X BAND

Rx: 2200 - 2290 MHz
Tx: 2025 - 2120 MHz

Frequency Range

Rx: 7900 - 8500 MHz

RHCP & LHCP

Polarization

RHCP & LHCP

3 m | 3.8 m | 4.5 m | 7.5m
>11 dB/k | 15 dB/K | 17 dB/k

G/T @ 5° El clear sky

3 m | 3.8 m | 4.5 m | 7.5m
>24 dB/k | 28 dB/K | 30 dB/k

Antenna F/D

Ratio

0.4

Type

Prime focus, solid parabolic reflector with Coaxial and Tracking feed

3m | 3.8m | 4.5m | 7.5m

RMS

0.5 mm

TX and RX Axial Ratio

0.5 dB

Antenna Mount

X / Y Mount

Travel Range

X / Y -5° to +185° continuous

Travel Rate

X / Y 10.00°/sec

Tracking Modes

Slew (Manual Mode),
Program Track (TLE File Track) Configuration

Storage Temperature

-40° to +70°C

Humidity

95% RH @ 40°C

Wind Speed

Operational: 80 km/h
Survival: 200 km/h

Wind Speed

72 km/h

Operational
Temp

-10 to 55 °C

Max
velocity

8 degree/sec

Pointing
Accuracy

Better than 1/5th of 3dB Beamwidth

SABER - Integrated Software Defined Radio Low Data Rate TT&C Operation

Integrated software-defined radio is a 19” rack mountable 2U integrated SDR transceiver that supports multi-channel transmission in full-duplex as well as half-duplex configuration in UHF & VHF bands. It gives a maximum of 50 watts of RF power output with the in-built SSPAs for transmissions. The easy-to-use user interface allows total control of the devices via the 3.5” interactive touch display on the front panel.

Frequency Range:

70 MHz - 6 GHz

RF Inputs:

Dual input with N-connector (F)

Sensitivity:

~ -120 dBm

Noise Figure:

≤ 2.5 dB

Communication type:

Full Duplex

TX output (Peak Power):

VHF/UHF:
- Upto 50 Watt (On request)
- S-Band: Upto 25 Watts

Data Rate:

VHF/UHF:
- Up to 32 Kbps
- S-Band: Up to 1 Mbps

Integrated Space Operations Command Suite (ISOCS)

Realtime satellite tracking
Orbital path prediction

Remote access
Automatic rotor control

Automatic Radio control

Network
coverage

13

Stations

10

Nations

99%

Uptime

Spectrum
monitoring

World-class facility with 24/7 automated carrier monitoring
Constellations monitoring: LEO, GEO and HTS

Earth stations covering L, S, C, X, Ku, Ka bands
Spectrum Monitoring and scanning

RF spectrum and time domain measurements
Interference identification and Geolocation of interfering signal

Frequency
Frequency
Mid band gain
Polarisation
VSWR
Elevation
Azimuth
CPI

2 - 8 GHz
3.6 - 4.2 GHz
43 dBi
Linear
1 : 1.3
5° - 90°
360° continuous
>30 dB

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Ground Stations

Bespoke
Antennas

Network
Coverage

Spectrum
Monitoring