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Indian Deep Space Network

 

Indian Deep Space Network

Indian Deep Space Network
Organization Indian Space Research Organisation
Location Byalalu - 40 km from Bangalore
Coordinates
Established 17 October 2008
Website
IDSN Homepage
Telescopes
32-Meter DSN Antenna Deep Space Tracking Antenna
18-Meter DSN Antenna Deep Space Tracking Antenna
11-Meter DSN Antenna Terminal Tracking Antenna

The Indian Deep Space Network (IDSN) is a network of large antennas and communication facilities that supports the interplanetary spacecraft missions of India. It is located at Byalalu, a village about 40 kilometres (25 mi) from Bangalore, India. It was inaugurated on 17 October 2008 by the former ISRO chairman G. Madhavan Nair. The antenna was designed and commissioned by Hyderabad-based Electronics Corporation of India Limited at a cost of Rs 620 million to Rs 650 million (about 13 million US dollars).[1] Similar networks are run by the USA, Russia, Europe, China, and Japan.

Contents

  • Introduction 1
  • Antennas 2
    • 32 m antenna 2.1
    • 18 m antenna 2.2
    • 11 m antenna 2.3
  • Chandrayaan-1 3
  • Mars Orbiter Mission 4
  • See also 5
  • References 6
  • External links 7

Introduction

The network consists of a fully steerable 18 metres (59 ft) and a 32 metres (105 ft) DSN antenna which improves the visibility duration when compared with the existing ISRO Telemetry Tracking and Command Network (ISTRAC). The Indian Deep Space Network implements a baseband system adhering to Consultative Committee for Space Data Systems (CCSDS) Standards thus facilitating cross-support among the Telemetry Tracking Command (TTC) agencies.

The two antennas at the complex have built-in support facilities. A fibre optic link will provide necessary communication link between the DSN Station and SCC / NCC/ ISSDC. The 18 m antenna has provision to receive two downlink carriers in S-Band and two carriers in X-Band (RCP and LCP), whereas the uplink is either RCP or LCP. It has a G/T of 30/39.5 dB/k (45° elevation, clear sky) for S/X-Band.

The 32 m antenna is of a wheel-and-track design. The antenna is designed to provide uplink in both S-Band and X-Band (20 kW) either through RCP or LCP. The reception capability will be in both S-Band and X-Band (simultaneous RCP and LCP). It can receive two carriers in S-Band and two carriers in X-Band. The system will have a G/T of 37.5/51 dB/k (45° elevation, clear sky) for S/X Band. The station may be controlled remotely from the ISTRAC Network Control Centre (NCC) .

The IDSN facility in Byalalu also houses the ISRO Navigation Centre (INC). It was launched on 28 May 2013 by V. Narayanasamy. The centre will become active on 12 June 2013, at the time of launch of IRNSS-1, the first of the Indian Regional Navigational Satellite System series of satellites. The INC has a high stability atomic clock. It will be used to co-ordinate across 21 ground stations in India.[2]

Antennas

32 m antenna

The first antenna is a 32-meter Deep Space Antenna. The wheel and track 32 m antenna is a state-of-the-art system that supported the Chandrayaan-1 mission operations. It is currently supporting Mars Orbiter Mission[3] This is co-located with 18 m antenna in the IDSN site at Byalalu. A fibre optics / satellite link will provide the necessary connectivity between the IDSN site and Spacecraft Control Centre / Network Control Centre. This antenna is designed to provide uplink in both S-Band (20/2 kW) and X-Band (2.5 kW), either through RCP or LCP. The reception capability will be in both S-Band and X-Band (simultaneous RCP & LCP). It can receive two carriers in S-Band and one carrier in X-Band, simultaneously. The system will have a G/T of 37.5/51 dB/K (45° elevation, clear sky) for S/X-Band. The base-band will adhere to CCSDS Standards facilitating cross-support among the space agencies. The station is also equipped for remote control from the ISTRAC Network Control Centre (NCC).[4]

18 m antenna

The second antenna is an 18-meter Deep Space Antenna.

11 m antenna

The third antenna is an 11-meter terminal antenna.

Chandrayaan-1

The Indian Deep Space Network has been built to track and support India's first lunar mission Sriharikota, when the satellite separated from the launch vehicle.

Mars Orbiter Mission

IDSN is being used to track the on-going Mars Orbiter Mission (MOM) also known as Mangalyaan.[5]

See also

References

  1. ^ Bureau Report (17 October 2008). "32 metre antenna to track Chandrayaan". Zee News. Zee News Limited. Retrieved 11 November 2008. 
  2. ^ "ISRO unveils hub for its navigation fleet".  
  3. ^ "Mangalyaan successfully placed into Mars Transfer Trajectory". Retrieved 1 December 2013. 
  4. ^ Indian Deep Space Network (IDSN) - Website
  5. ^ "ISRO - Mars updates". 

External links

  • Official ISRO website
  • Indian Deep Space Network
  • Official Chandrayaan-1 Website
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