Onboard Antenna Systems for Bhaskara Missions

S. Pal VHF, Antenna * Microwave Section, Electronics Divn., ISRO Satellite Centre, Peenya, Bangalore560058.

P.K. ReddyCommunication Systems Division. Communication Area, Space Applications Centre, Jodhpur Tekra, Ahmedabad380053.

V.K. Lakshmeesha VHF, Antenna * Microwave Section, Electronics Divn., ISRO Satellite Centre, Peenya, Bangalore560058.

V. Mahadevan VHF, Antenna * Microwave Section, Electronics Divn., ISRO Satellite Centre, Peenya, Bangalore560058.

L. Nicholas VHF, Antenna * Microwave Section, Electronics Divn., ISRO Satellite Centre, Peenya, Bangalore560058.

V. Sambasiva Rao VHF, Antenna * Microwave Section, Electronics Divn., ISRO Satellite Centre, Peenya, Bangalore560058.

Abstract

The Onboard VHF and UHF Antenna Systems flown successfully in Bhaskara Missions are described. The VHF antenna system used for Telemetry, Tracking and Command (TT&C) purposes in 136–150 MHz band is an improved version of the Aryabhata Antenna System with better radiation characteristics and modified feed for simultaneous operation of all communication packages at different frequencies. The UHF Antenna is a single monopole on the top face of the satellite which will receive transmissions from unattended data collection platforms (DCP) in 400 MHz band.

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Onboard Antenna Systems for Bhaskara Missions

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Onboard Antenna Systems for Bhaskara Missions

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