Category: Blog
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Superfox mode in wsjt x a game changer for digital qsos
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What is SuperFox Mode? SuperFox mode in WSJT-X is designed for DXpeditions to achieve higher digital QSO rates compared to previous versions. Traditionally, the Fox could transmit up to 5 streams, each 50 Hz wide. The SuperFox, however, transmits a single, full-power, constant-envelope waveform 1512 Hz wide. This allows the…
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Overcoming Challenges in Recent BOTA Activations
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Activating beaches for BOTA (Beaches on the Air) is always an exhilarating experience, blending my love for ham radio with the serene coastal environment. However, each activation comes with its unique set of challenges. In my recent activations, I’ve encountered several obstacles that tested my skills and adaptability. Here, I’ll…
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Mandrem Beach Activation – BOTA – 22nd to 23rd June 2024
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After successfully activating Arambol Beach on the afternoon of June 22nd, 2024, I moved to Mandrem Beach in the evening at around 7:00 PM IST to continue the Beaches On The Air (BOTA) activation. I had booked a small cottage right on the beach to serve as a base for…
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Arambol Beach Activation – BOTA – 22nd June 2024
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On June 22nd, 2024, I activated Arambol Beach for Beaches On The Air (BOTA). The stormy weather and no orange alert added significant challenges, with lots of static and a high noise floor making communication difficult. Operating on 20 meters at 14.240 MHz, I had to switch between 14.240 and…
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Understanding FT8 Transmission Modes: J2D and J3E
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FT8, a highly efficient digital mode widely used in amateur radio, is designed to facilitate communication under weak signal conditions. However, the technical classification of FT8 and the practical modes of its transmission can be a source of confusion. This article aims to clarify the differences between the ITU emission…
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BOTA Activation at Keri Beach, North Goa
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June 15, 2024 – By Sandesh VU3FGJ Watch the activation video here I am thrilled to share my recent Beaches On The Air (BOTA) activation experience at Keri Beach, North Goa, India. Despite challenging weather conditions, the activation turned out to be quite an adventure and a success. Activation Summary:…
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Detailed Comparison of Firmware Mods for Quansheng UV-K5
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In this post, we provide a comprehensive comparison of various firmware modifications available for the Quansheng UV-K5 and UV-K5(8) transceivers. These mods, developed by different contributors, offer a range of features and enhancements, making the UV-K5 a versatile and powerful radio for amateur radio enthusiasts. Below is a detailed table…
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Exploring the World of Ham Radio: A Session by GRAS
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On Sunday, June 2, 2024, the Goa Radio Amateurs Society (GRAS) organized an engaging session on ham radio. This event aimed to demystify ham radio for enthusiasts and the general public. I, Sandesh Bhat (VU3FGJ), along with Amey Pandit (VU2YQ), had the pleasure of leading this informative session. Session Overview…
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Ham Radio in the 21st Century
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Rediscovering the Science Behind Communication In the 20th century, ham radio was a groundbreaking hobby that captured the imagination of many. It was a time when talking to someone on the other side of the world from your own home was incredible. Ham radio operators, known as hams, were pioneers,…
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Unlocking the Potential of the Quansheng UV-K5: A Comprehensive Guide to Firmware Mods
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The Quansheng UV-K5 is a popular dual-band handheld transceiver among ham radio enthusiasts, known for its affordability and versatility. One of the standout features of this radio is its moddable firmware, which allows users to unlock additional functionalities and enhance performance. In this blog, I’ll share my experiences with various…