Identification of Solar Radio Burst Type II and Type III for Space Weather Monitoring

Afandi, Nur Zulaikha Mohd; Umar, Roslan; Sabri, Nor Hazmin; Abidin, Zainal; Ibrahim, Zainol Abidin; Ishak, Asnor Nadirah; Nurlisman, Zulia Kurnia Dewi; Monstein, C.

doi:10.1166/asl.2017.8348

adv sci lett

2017

DOI: 10.1166/asl.2017.8348

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Identification of Solar Radio Burst Type II and Type III for Space Weather Monitoring

Nur Zulaikha Mohd Afandi

Roslan Umar

Nor Hazmin Sabri

et al.

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“…Radio waves sometimes can bounce from the Earth and the atmosphere. During the peaks of the solar cycle, the ionosphere will become increasingly ionized by solar photons and cosmic rays, it will affect the propagation of radio waves that can either facilitate or hinder communications [4]. The changes in solar output can also affect the maximum usable frequency which is limit on the highest frequency usable for communication.…”

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confidence: 99%

Multi-Function Adjustable Antenna using Plasma Radiation for Weather Monitoring

Dagang¹,

Sha’ari²,

Umar³

et al. 2019

IJRTE

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Plasma is the fourth state of matter. It is a common state of matter where almost of the universe in a plasma state and it can be found on earth naturally or artificially. The advantages of using plasma antenna are it is invisible to radar, no ringing effect, more efficient, dynamically reconfigurable and has fast transmission. The aim for this study is to investigate the effect of winds and humidity on radio signal using plasma antenna as an alternative to the conventional metal antenna. This research used two different type of commercial fluorescent lamps which are tubular (cylinder) and 2U-shape as plasma antenna. Thus, this kind of antenna can be considered as multi-function as it is originally a light source. The plasma antenna parameters such as return loss, gain and radiation pattern were characterized. In order to realize that, plasma parameters i.e., plasma and collision frequencies need to be obtained. The electrical properties measurement need to be done to record the values of current and voltage, then were used in GLOMAC programming to calculate the plasma parameters. The next stage was the simulation of plasma antenna using CST software. The last stage is signal strength experiment to get the value for radio signal strength received by plasma antenna. Then, the value of radio signal strength in against time was recorded. From the results, as the wind speed over time decreases, the power level decreases and vice versa. From the simulation results, the radiation pattern for tubular and 2U can be categorized as omni-directional pattern. Generally, good correlation was accomplished to prove the wind speed and humidity effect on radio signal using plasma antenna.

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mentioning

confidence: 99%

Multi-Function Adjustable Antenna using Plasma Radiation for Weather Monitoring

Dagang¹,

Sha’ari²,

Umar³

et al. 2019

IJRTE

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Behaviour of Geomagnetic storm, horizontal geomagnetic field and solar wind parameters during solar flare and CMEs event.

Zafar

Hazmin

Jusoh

et al. 2021

J. Phys.: Conf. Ser.

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Space weather is driven by solar activities by pulling out the variety of phenomenon such as solar flare and coronal mass ejection (CMEs). It been discovered the CMEs and solar flares have causes disturbance at near-Earth space. This paper is to examined the behaviour of geomagnetic storm, horizontal geomagnetic field and several solar wind parameters during solar flare and CMEs event at minimum of solar cycle of 24. Observational result found that association of strongest solar flare and CMEs have declined the geomagnetic storm until -150nt at 8th September 2017. Following to this, the H component reading also slightly decreased at three magnetometer location respectively. Solar flare and CMEs released the energetic particles that could disturbed the radio communications at the Earth and electronic equipment. Therefore, it was required to study and understanding the solar flare and CMEs event.

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Identification of Solar Radio Burst Type II and Type III for Space Weather Monitoring

Cited by 2 publications

References 0 publications

Multi-Function Adjustable Antenna using Plasma Radiation for Weather Monitoring

Multi-Function Adjustable Antenna using Plasma Radiation for Weather Monitoring

Behaviour of Geomagnetic storm, horizontal geomagnetic field and solar wind parameters during solar flare and CMEs event.

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