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radio-timetraveller.blogspot.com
| | acidbourbon.wordpress.com
4.5 parsecs away

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| | Video Appetizer https://youtu.be/XsFSDM1pgMA TLDR I built a shortwave radio receiver from scratch using only cheap and easily available components, i.e. standard transistors, op-amps and 74xx logic chips. No typical radio parts - no coils, no variable capacitors, no exotic diodes. This project is easy to build and gives you a hands-on experience with radio technology...
| | cupano.com
6.7 parsecs away

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| | [AI summary] The author shares a personal journey from childhood shortwave listening to modern setup using an RTL-SDR dongle server and client applications for Software Defined Radio experimentation.
| | www.kr1st.com
3.4 parsecs away

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| | [AI summary] This document provides a detailed guide on constructing a magnetic loop antenna for shortwave radio listening. The process involves building the main loop, coupling loop, feedline, and tripod, along with tuning procedures and considerations for optimizing the antenna's performance. The loop is designed to reduce noise and improve reception, especially in noisy environments.
| | tomscii.sig7.se
38.5 parsecs away

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| [AI summary] This is a detailed account of the development and construction of a DCF77-controlled clock with additional features like temperature and humidity sensing. The author describes the design process, hardware components, and software implementation, including the use of a simulator for development. The project includes a bill of materials, cost analysis, and future improvements. The source code and hardware design are shared under an open license.