REFERENCES
- S N Prasad, VHF Tracking transponder onboard Bhaskara-II, JIETE. October 1983.
- S N Prasad, et al, S Band TT&C Transponder for Indian Space Programme, IETE Technical Rev, vol 8, no 4, July-Aug 1991.
- S N Prasad, et al, Satellite Tracking Systems, IETE Students' Journal, vol 36, no 2&3, April-September 1995, pp 67–84.
- H Yuen, Deep Space Telecommand System Engineering, New York: Plenum, 1983.
- F M Gardner, Phase lock Techniques, John Wiley & Sons, New York.