Development of transmitter and receiver for fox hunting activity

Q4 Engineering

Journal of Electrical and Electronics Engineering Pub Date : 2019-11-11 DOI:10.1063/1.5133935

Wafiuddin Suparman, M. J. Homam

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引用次数: 2

Abstract

Transmitter hunting, also known as fox hunting, is a popular activity amongst amateur radio hobbyists. The concept of this activity is based on radio direction finding. This study has two main parts, namely, the transmitter and the receiver. The transmitter uses Arduino Uno and Baofeng radios. GPS and GSM tracker is also added at the transmitter for location-monitoring purposes. The transmitter will be hidden in a designated area, and a Morse code that has been programmed in Arduino will be sent. For the receiver part, two receiver antennas with different designs and materials, namely, Yagi and Moxon, are used. These two antennas operate in a frequency range of 144 MHz and 145 MHz, respectively, and will be connected to an attenuator to reduce the strength of the received signal. Subsequently, these antennas will be connected to a Baofeng radio. The type of attenuator in this study is a step attenuator with three different gains, namely, 6, 10 and 20 dB. The use of an attenuator can reduce gain between 6.62 dB and 10.04 dB for Yagi antenna and between 2.66 dB and 12.64 dB for Moxon antenna. A test has been carried out at Parit Haji Rais area to compare the reception quality between Yagi and Moxon antennas. The test is carried out at four locations with different distances, namely, 350, 550, 700 and 900 m. The antennas can work well up to 550 m from the transmitter. Moxon antenna has a slightly better performance than Yagi antenna based on the distance.Transmitter hunting, also known as fox hunting, is a popular activity amongst amateur radio hobbyists. The concept of this activity is based on radio direction finding. This study has two main parts, namely, the transmitter and the receiver. The transmitter uses Arduino Uno and Baofeng radios. GPS and GSM tracker is also added at the transmitter for location-monitoring purposes. The transmitter will be hidden in a designated area, and a Morse code that has been programmed in Arduino will be sent. For the receiver part, two receiver antennas with different designs and materials, namely, Yagi and Moxon, are used. These two antennas operate in a frequency range of 144 MHz and 145 MHz, respectively, and will be connected to an attenuator to reduce the strength of the received signal. Subsequently, these antennas will be connected to a Baofeng radio. The type of attenuator in this study is a step attenuator with three different gains, namely, 6, 10 and 20 dB. The use of an attenuator can reduce gain between 6....

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猎狐用发射机和接收机的研制

发射机狩猎，也被称为猎狐，是业余无线电爱好者的一项流行活动。这项活动的概念是基于无线电测向。本研究主要分为两个部分，即发射器和接收器。发射器使用Arduino Uno和暴风无线电。发射机还增加了GPS和GSM跟踪器，用于位置监控。发射器将隐藏在指定区域，并发送用Arduino编程的莫尔斯电码。接收部分采用两种不同设计和材料的接收天线，分别是Yagi和Moxon。这两个天线分别在144mhz和145mhz的频率范围内工作，并将连接到衰减器以降低接收信号的强度。随后，这些天线将连接到暴风电台。本研究中的衰减器类型为阶跃衰减器，具有6、10和20 dB三种不同的增益。使用衰减器可使Yagi天线的增益降低6.62 dB至10.04 dB, Moxon天线的增益降低2.66 dB至12.64 dB。在Parit Haji Rais地区进行了一项测试，以比较Yagi和Moxon天线的接收质量。试验分别在350、550、700和900 m四个不同距离的地点进行。天线可以在距离发射机550米的地方工作。Moxon天线在距离上比Yagi天线性能稍好。发射机狩猎，也被称为猎狐，是业余无线电爱好者的一项流行活动。这项活动的概念是基于无线电测向。本研究主要分为两个部分，即发射器和接收器。发射器使用Arduino Uno和暴风无线电。发射机还增加了GPS和GSM跟踪器，用于位置监控。发射器将隐藏在指定区域，并发送用Arduino编程的莫尔斯电码。接收部分采用两种不同设计和材料的接收天线，分别是Yagi和Moxon。这两个天线分别在144mhz和145mhz的频率范围内工作，并将连接到衰减器以降低接收信号的强度。随后，这些天线将连接到暴风电台。本研究中的衰减器类型为阶跃衰减器，具有6、10和20 dB三种不同的增益。使用衰减器可以降低6之间的增益....

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来源期刊

Journal of Electrical and Electronics Engineering Engineering-Electrical and Electronic Engineering

CiteScore

0.90

自引率

0.00%

发文量

审稿时长

16 weeks

期刊介绍： Journal of Electrical and Electronics Engineering is a scientific interdisciplinary, application-oriented publication that offer to the researchers and to the PhD students the possibility to disseminate their novel and original scientific and research contributions in the field of electrical and electronics engineering. The articles are reviewed by professionals and the selection of the papers is based only on the quality of their content and following the next criteria: the papers presents the research results of the authors, the papers / the content of the papers have not been submitted or published elsewhere, the paper must be written in English, as well as the fact that the papers should include in the reference list papers already published in recent years in the Journal of Electrical and Electronics Engineering that present similar research results. The topics and instructions for authors of this journal can be found to the appropiate sections.