Knowledge

Sub-Meter Accuracy in Consumer Smartphones: Advancements and Challenges in GNSS Positioning

• • Knowledge, Research, Teaching • , , , , , , , • 3 minutes of reading

By Shahabuddin Amerudin Sub-meter accuracy in the context of GNSS (Global Navigation Satellite System) refers to the capability of a receiver to determine its position with an accuracy of less than one meter, typically in the range of centimeters or decimeters. This level of accuracy is highly desirable for various applications, including augmented reality, precise navigation, surveying, agriculture, and other location-based services where high precision is crucial. To achieve sub-meter accuracy, GNSS receivers need access to highly accurate and precise satellite positioning data. Traditional consumer-grade GNSS receivers, such as those found in smartphones, typically provide accuracy in the range of […]

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A Review: Accuracy for the Masses: Real-Time Sub-Meter in a Consumer Receiver?

• • Knowledge, Research, Teaching • , , , , • 3 minutes of reading

By Shahabuddin Amerudin Authors: Joshua Critchley-Marrows, Marco Fortunato and William Roberts Publication Date: April 6, 2020 The article discusses a new methodology aimed at achieving sub-meter Global Navigation Satellite System (GNSS) accuracies in consumer devices such as smartphones. The goal is to enable applications like augmented reality and visually impaired navigation to function with higher precision. The article explores the challenges of achieving high accuracy in mass-market GNSS receivers, especially in the context of real-time positioning. It also introduces an alternative approach to Precise Point Positioning (PPP) to improve accuracy in challenging receiver environments. Key Points: Conclusion The article presents

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Review Article: World Sees Record Heat Waves

• • Knowledge, Public • , , , , • 2 minutes of reading

The article by Anna Fleck discusses global heatwaves and presents preliminary data from the World Meteorological Organization (WMO) regarding recent temperature records. It highlights that the world has just experienced the hottest week on record (average July 3-9) following the hottest June on record. The article provides examples of temperature records being broken in various regions around the world. In South Asia, an exceptional heatwave occurred in April and May 2023, resulting in national temperature records being broken in Thailand, Vietnam, and Laos. Australia and Uruguay also matched their national temperature records last year, while the UK saw its all-time

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Understanding Location Accuracy Requirements in Various Applications

• • Knowledge, Project, Public, Research, Teaching • , , , , , • 6 minutes of reading

By Shahabuddin Amerudin Introduction Location accuracy plays a vital role in numerous applications, enabling precise positioning, navigation, and tailored experiences. Different applications have varying location accuracy requirements based on their specific use cases and objectives. In this article, we explore a range of applications and their location accuracy needs, spanning from high accuracy requirements in the millimeter range to general accuracy needs within a few meters. Conclusion It’s important to note that these accuracy ranges are general guidelines and can vary depending on specific application requirements and user expectations. Additionally, advancements in technology, such as the availability of higher-quality GNSS

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Understanding Location Accuracy in Consumer Smartphones

• • Knowledge, Project, Public, Research, Teaching • , , , , , • 3 minutes of reading

By Shahabuddin Amerudin Introduction Consumer smartphones have become integral to our daily lives, offering a wide range of features and functionalities, including location-based services. The accuracy of location information provided by smartphones is crucial for navigation, mapping, and various location-dependent applications. In this article, we explore the general capabilities of consumer smartphones in achieving location accuracy and the factors that influence it. GPS Technology and Accuracy Global Positioning System (GPS) is a widely used positioning technology in smartphones. With high-quality GPS receivers, smartphones can achieve location accuracy within a few meters under ideal conditions. GPS relies on signals from satellites

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Understanding Location Inaccuracy in Mapping Applications

• • Knowledge, Project, Public, Research, Teaching • , , , • 4 minutes of reading

By Shahabuddin Amerudin Introduction Location accuracy plays a crucial role in mapping applications, allowing users to navigate, find points of interest, and track their movements. However, it’s important to acknowledge that location inaccuracy can sometimes occur, leading to discrepancies between the displayed location and the user’s actual position. In this article, we explore the various factors that contribute to location inaccuracy and discuss strategies to mitigate its impact on mapping applications. GPS Accuracy GPS (Global Positioning System) relies on satellite signals to determine precise location coordinates. However, several factors can affect the accuracy of GPS signals. Device limitations, such as

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Factors that can Contribute to Human Death

• • Knowledge, Public, Research • , , • 5 minutes of reading

There are numerous factors that can contribute to human death. These factors can be categorized into various domains, including medical, environmental, behavioral, socioeconomic, and accidental causes. Here are some common factors associated with human death: It is important to note that the prevalence and significance of these factors may vary across regions and populations. Understanding and addressing these factors play a crucial role in public health initiatives, healthcare planning, and mortality risk reduction strategies. In the context of Malaysia, a diverse and rapidly developing country, various factors influence the mortality patterns and health outcomes of its population. By examining these

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Achieving Multiple Professional Titles: Exploring the Multifaceted Career of an Accomplished Individual

• • Knowledge, Public • , , , , , • 3 minutes of reading

By Shahabuddin Amerudin Introduction In certain professional fields, individuals have the opportunity to accumulate multiple professional titles, representing various levels of expertise and qualifications. These titles, such as “Sr” “Ts.” “Ir.” and “Dr.” are indicative of significant achievements and expertise in specific domains. In this discussion, we will explore the multifaceted career of an accomplished individual who has attained multiple professional titles, and the implications of such achievements. The Significance of Multiple Professional Titles When an individual possesses multiple professional titles, it showcases a diverse range of accomplishments and qualifications. Each title represents a distinct level of expertise within a

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The Impact of the “Sr” Title in Academic Circles: Assessing Its Significance in Professional Communication

• • Knowledge, Public, Research, Teaching • , , , • 3 minutes of reading

By Shahabuddin Amerudin Introduction As an academic, the use of professional titles holds importance in establishing credibility and recognition within your field. The “Sr” title from the Royal Institution of Surveyors Malaysia (RISM) is often seen as a mark of expertise and professional standing. However, it is essential to critically assess the impact of incorporating the “Sr” title when presenting oneself in academic contexts, such as on business cards, email signatures, or letters. In this discussion, we will explore the experiences and perceptions surrounding the utilization of the “Sr” title in academic communication and assess its actual significance in shaping

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Navigating the Path to Professional Recognition: Choosing Between the “Sr” or “Gs” Title for a Graduate in GIS Program

• • Knowledge, Public, Teaching • , , , , , • 6 minutes of reading

By Shahabuddin Amerudin Introduction For graduates in Geographic Information Systems (GIS) programs, the journey towards professional recognition often includes the decision of whether to pursue the “Sr” title from the Royal Institution of Surveyors Malaysia (RISM) or the “Gs” title from the Institute of Geospatial and Remote Sensing Malaysia (IGRSM). Both titles carry significance within the GIS field, but understanding their nuances and benefits is essential for making an informed choice. In this article, we will explore the factors to consider when deciding between the “Sr” and “Gs” titles for GIS graduates. Royal Institution of Surveyors Malaysia (RISM) – “Sr”

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Evaluating the Value of Professional Memberships: Making Informed Career Decisions

• • Knowledge, Public • , , , , , • 5 minutes of reading

By Shahabuddin Amerudin Introduction Professional memberships provide individuals with opportunities for career advancement, industry recognition, and access to valuable resources. With esteemed titles such as “Sr” for surveyors with the Royal Institution of Surveyors Malaysia (RISM), “Ts.” for Professional Technologists with the Malaysia Board of Technologists (MBOT), and “Ir.” for Professional Engineers with the Institute of Engineers Malaysia (IEM), these designations carry prestige and signify professional achievement. However, it is crucial to delve deeper into the advantages and disadvantages before committing to these professional memberships. This article will explore the factors to consider when evaluating the worth of professional memberships,

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Survey Analysis Report: UTM and Kg. Sg. Timun CSR Programme Feedback

• • Jurnal, Knowledge, Teaching • , , , , • 5 minutes of reading

By Shahabuddin Amerudin Introduction This report presents the analysis of a post-programme survey conducted to gather feedback on the UTM and Kg. Sg. Timun CSR Programme. The survey aimed to evaluate participants’ satisfaction, assess the programme’s effectiveness in meeting expectations, and gather suggestions for improvement. The survey was administered online, and participants were asked to share their thoughts and experiences regarding various aspects of the programme. Survey Details The online survey was open for responses from June 13, 2023, to June 19, 2023. A total of 33 students were scheduled to participate in the programme; however, one participant was unable

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Environmental Conservation and Natural Resource Agencies

• • Knowledge, Public, Research, Teaching • , , , , , , , • 5 minutes of reading

By Shahabuddin Amerudin Introduction Environmental conservation and the sustainable management of natural resources are crucial components in ensuring the well-being of our planet and future generations. Governments around the world have established specialized agencies dedicated to addressing these critical issues. In this article, we will delve into the operations and activities of the Ministry of Natural Resources, Environment and Climate Change (NRECC) in Malaysia, as well as explore notable international environmental conservation and natural resource agencies. By examining their mandates, activities, and tools, we can gain valuable insights into the diverse approaches taken by different nations to protect our environment.

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Kesan dan Akibat Pembangunan Ladang Solar Terhadap Perubahan Cuaca Setempat

• • Knowledge, Public, Research, Teaching • , , , • 3 minutes of reading

Oleh Shahabuddin Amerudin Dalam beberapa tahun terkini, pembangunan ladang solar telah menjadi satu trend di seluruh dunia, termasuk di Malaysia. Dengan peningkatan permintaan akan tenaga boleh diperbaharui, ladang solar telah menjadi alternatif yang popular bagi penghasilan tenaga elektrik yang bersih dan mampan. Walaupun pembangunan ladang solar memberikan banyak manfaat kepada masyarakat, ia juga turut memberi kesan kepada perubahan cuaca setempat yang perlu kita pertimbangkan dengan teliti. Salah satu kesan utama pembangunan ladang solar yang luas adalah perubahan mikroiklimatik di kawasan berkenaan. Biasanya, ladang solar melibatkan pembinaan panel-panel suria yang membentang secara meluas. Panel-panel ini mampu menyerap haba daripada matahari dan

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Leveraging Geographic Information Systems (GIS) to Assess and Mitigate the Local Weather Effects of Large-Scale Solar Farm Development

• • Knowledge, Public, Research, Teaching • , , , , , , , • 4 minutes of reading

By Shahabuddin Amerudin Introduction Large-scale solar farm development has gained significant attention globally as a viable renewable energy solution. However, it is crucial to thoroughly evaluate and address the potential impacts of such projects on local weather patterns. This article explores the technical application of Geographic Information Systems (GIS) in assessing and mitigating the adverse effects of expansive solar farm developments on local microclimates, airflow patterns, and ecological systems. Assessing Location Suitability GIS plays a pivotal role in conducting precise location suitability analyses prior to solar farm development. By integrating various datasets and employing geospatial analysis techniques, GIS enables comprehensive

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Maximising GIS Performance: Harnessing the Power of Parallel Processing

• • Knowledge, Research, Teaching • , , , , , • 5 minutes of reading

By Shahabuddin Amerudin Introduction Geographic Information System (GIS) projects often involve complex spatial analyses, large datasets, and computationally intensive tasks. To tackle these challenges efficiently, the use of parallel processing techniques has gained significant attention. This article explores the benefits of parallel processing in GIS projects, comparing commercial software offerings and referencing studies and reports to support the findings. Background Parallel processing refers to the simultaneous execution of multiple tasks or computations to speed up the processing time of a GIS project. In the context of GIS, parallel processing involves dividing a task into smaller subtasks that can be executed

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Hardware Specifications and Cost-Benefit Analysis for GIS Projects

• • Knowledge, Research, Teaching • , , , , , , , , , , , • 6 minutes of reading

By Shahabuddin Amerudin Introduction Geographic Information System (GIS) projects require robust hardware configurations to effectively process and analyze spatial data. This article aims to provide undergraduate GIS students with an overview of hardware specifications and a cost-benefit analysis for GIS projects. By understanding the hardware requirements and conducting a cost-benefit analysis, students can make informed decisions when selecting hardware components for GIS applications. By analyzing these metrics, GIS students can evaluate the financial feasibility and potential benefits of investing in specific hardware configurations. Conclusion Selecting the appropriate hardware specifications for GIS projects is essential to ensure optimal performance, efficiency, and

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Differentiating Between 2.4G and 5G in Wi-Fi Routers

• • Knowledge, Public, Teaching • , , , • 4 minutes of reading

Introduction When discussing Wi-Fi routers, you may come across the terms “2.4G” and “5G.” These terms refer to specific frequency bands utilized for wireless communication. In this article, we will explore the differences between 2.4G and 5G in Wi-Fi routers, shedding light on their unique characteristics and the implications they have on performance. The fundamental distinction between 2.4G and 5G in Wi-Fi routers lies in the frequency bands they operate on. The 2.4G Wi-Fi operates within the 2.4 GHz frequency band, which has been widely adopted for a long time. On the other hand, 5G Wi-Fi operates on the 5

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Utilising GIS for Heat Wave Management: Mapping, Modelling, Analysis, and Prediction

• • Knowledge, Public, Research, Teaching • , , , • 5 minutes of reading

By Shahabuddin Amerudin Heat waves pose a growing threat to society, necessitating effective management strategies. Geographic Information Systems (GIS) offer a range of technical tools, techniques, and methods to handle and mitigate the impacts of heat waves. By leveraging GIS capabilities such as mapping, modeling, analysis, and prediction, we can enhance our understanding of heat waves and implement targeted strategies to protect vulnerable populations, optimize urban planning, and foster climate resilience. This article explores the technical applications of GIS in heat wave management. Mapping Heat Vulnerability GIS enables the integration of diverse spatial data layers to map and visualize heat

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