Application of Log Periodic Dipole Antenna (LPDA) in Monitoring Solar Burst at Low Region Frequencies Region

CALLISTO, Astronomy Astrophysics

Authors

  • Z.S. Hamidi Department of Physics, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia 2Faculty of Applied Sciences, MARA University of Technology, UiTM 40450 Shah Alam Selangor, Malaysia
  • N.M. Anim Department of Physics, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
  • N. N.S. Hakimi Faculty of Applied Sciences, MARA University of Technology, UiTM 40450 Shah Alam Selangor, Malaysia
  • N. Hamzan Faculty of Applied Sciences, MARA University of Technology, UiTM 40450 Shah Alam Selangor, Malaysia
  • A. Mokhtar Department of Physics, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
  • N. Syukri Department of Physics, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
  • S. Rohizat Department of Physics, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
  • I. Sukma Department of Physics, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
  • Z.A Ibrahim Department of Physics, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
  • Z.Z. Abidin Department of Physics, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
  • N.N.M. Shariff Department of Physics, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
  • C. Monstein Institute of Astronomy, ETH, Zurich, Switzerland

DOI:

https://doi.org/10.14331/ijfps.2012.330041

Keywords:

Log Periodic Dipole Antenna (LPDA), CALLISTO, solar burst, solar activities

Abstract

The Sun is considered as one of the strongest radio sources and observation in radio region can provide information on structures throughout the solar atmosphere. In radio wavelengths, we could possible to investigate high quality images within an arc second resolution at different layers of the solar atmosphere. Solar monitoring in this wavelength makes various demands on the used antennas. Therefore, Logarithmic Periodic dipole Antenna (LPDA) was constructed for monitoring Sun in the range of (45−870) MHz to precisely match the environmental requirements. Our work focuses on preparation and performance of the antenna. Observation results of the site will also be highlighted. From the analysis, we found that the signal to noise ratio is 3.9 dB. We also make an effort analyze a y-factor of a data by select a range of frequency from 220 MHz till 250 MHz due to this range consists burst. By constructing and understanding the principle of the log dipole periodic antenna and then connect it to the CALLISTO spectrometer as receiver, some solar activities observations such as solar flares and Coronal Mass Ejections (CMEs) can be done. In conclusion, the log-periodic dipole antenna (LPDA) is remains the simplest antenna with reliable bandwidth and gain estimates.

 

solar activities

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Author Biography

C. Monstein, Institute of Astronomy, ETH, Zurich, Switzerland

 

REFERENCES


Arnold O. Benz, C., Monstein. (2004). CALLISTO, A New Concept for Solar Radio Spectrometers. The Netherlands: Kluwer Academic Publishers.

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Published

31-12-2012

How to Cite

1.
Hamidi Z, Anim N, Hakimi NN, Hamzan N, Mokhtar A, Syukri N, et al. Application of Log Periodic Dipole Antenna (LPDA) in Monitoring Solar Burst at Low Region Frequencies Region: CALLISTO, Astronomy Astrophysics. Int. J. Fundam. Phys. Sci [Internet]. 2012 Dec. 31 [cited 2025 Jan. 31];2(4):72-5. Available from: https://www.fundamentaljournals.org/index.php/ijfps/article/view/120

Issue

Vol. 2 No. 4 (2012): IJFPS

Section

ORIGINAL ARTICLES

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