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Wang-Ik Son#1, Won-Gyu Lim#2, Moon-Que Lee*3, Sang-Bo Min@4, Jong-Won Yu#5 - page 4 / 4





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Fig. 7 The implemented proposed antenna

Fig. 8 The location of satellites at KAIST, Deajeon, South Korea in September 15th 2007, 5:52 pm








Fig. 9 Measured C/N of the proposed antenna


Parkinson. B. W. and Spilker. J. R, Global Positioning System: Theory and Application, American Institute of Aeromautics and Astronautics, Washington DC, 1996. W. S. T. Rowe and R. B. Waterhouse. ”Reduction of Backward Radiation for CPW Fed Aperture Stacked Patch Antennas on Small Ground Planes,” IEEE Transactions on Antennas and Propagation, VOL. 51, NO. 6. C. Gerst and R. A. Worden, “Helix antennas take turn for better,” Electronics, pp.100-110, August. 1966. C. Gerst, “Multifilar contrawound helical antenna study and analysis,” Surveillance Technology Study and Analysis, vol. 1, Technical Report RADC-TR-67-145, May. 1967 and vol. 2, Final Report, Feb. 1967 P. K. Shumaker, C. H. Ho and K. B. smith, “Printed half-wavelength quadrifilar helix antenna for GPS marine applications,” Electronics Letters, Vol. 32, No. 3, Feb. 1996 O. Leisten, J. C. Vardaxoglou, P. McEvoy, R. Seager and A. Wignfield, “Miniaturised dielectrically-loaded quadrifilar antenna for Global Positioning System (GPS),” Electronics Letters, Vol. 37, No. 22, October 2001. W. I. Son, W. G. Lim, M. Q. Lee, S. B. Min, and J. W. Yu, “Printed square quadrifilar spiral antenna for UHF RFID reader,” in IEEE AP-S International Symposium, Honolulu, Hawaii, June. 2007, pp. 303-308

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