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uhf-satcom.com | ||
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tbspace.de
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| | | | | QO-100, also known as Es'hail-2 is a geostationary amateur radio satellite. It can be used by large parts of the world, including Europe, Africa, (parts of) South America and Asia. The satellite works as a linear transponder. It receives a specific range in the 2.4 GHz (13cm) band and sends it back to earth on 10 GHz (3cm). In order to generate such a 2.4 GHz signal and transmit it to the satellite conventional radio technology with transverters could be used. I chose a different route and planned a fully software-defined setup. This has many advantages: - Cost (PlutoSDRs can be bought for ~120?) - Low power consumption (laptop, SDR, amplifiers), ideal for portable usage - No SSB transceiver needed - Software DSP processing for very clean signals - I/Q sampl... | |
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olegkutkov.me
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www.kr1st.com
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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. | |
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malwaretech.com
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| | | Today during RSA Conference, the National Security Agency release their much hyped Ghidra reverse engineering toolkit. Described as "A software reverse engineering (SRE) suite of tools", Ghidra sounded like some kind of disassembler framework.Prior to release, my expectation was something more than Binary Ninja, but lacking debugger integration. I figured the toolkit would be ideal for those interested in reversing, but who lack the funding for an IDA licence. | ||
