Ground Stations

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

Discover
Discover

Bespoke
antennas

Bespoke antennas
VHF 2 m
UHF 70 cm
2m_HP_VHF_YAGI
Frequency
Model
70cm_HP_UHF_YAGI
135 - 175 MHz
Gain
Frequency Range
400 - 470 MHz
11 dBi
Feed Type
Gain
16.3 dBi
19.9 dB
Feed Impedance
Front-to-back Ratio
14.8 dB
E = 43° , H = 51°
Maximum vswr
Beamwidth
E = 28.5° , H = 31°
Halfwave dipole
Maximum vswr
Feed Type
Halfwave dipole
Right hand circularly polarised
Maximum vswr
Polarisation
Right hand circularly polarised
50 Ohms
Maximum vswr
Impedance
50 Ohms
1:1.5
Maximum vswr
Max. VSWR
1:1.5
N - connector (Female)
Maximum vswr
Input Connector
N - connector (Female)
1 kW
Maximum vswr
Power Handling
1 kW
3 m
Maximum vswr
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 
Bespoke antennas
S BAND
X BAND
Rx: 2200 - 2290 MHz
Tx: 2025 - 2120 MHz
Frequency
Frequency Range
Rx: 7900 - 8500 MHz
RHCP & LHCP
Gain
Polarization
RHCP & LHCP
3 m | 3.8 m | 4.5 m | 7.5m
>11 dB/k | 15 dB/K | 17 dB/k
Pi
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
Pi
Ratio
0.4
Type
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)

SoftwareDhruva Space
  • Realtime satellite tracking
  • Orbital path prediction
  • Remote access
  • Automatic rotor control
  • Automatic Radio control

Network
coverage

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
  • 43 dBi
  • Linear
  • 1 : 1.3
  • 5° - 90°
  • 360° continuous
  • >30 dB

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