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loriemerson.net
| | kb9mwr.blogspot.com
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| | For those who don't know; the amateur radio service has a good chunk of the IPv4 Internet address space (44.0.0.0/8), and it's not being ...
| | hamradio.my
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| | [AI summary] The article discusses amateur radio, technology insights, and product reviews, focusing on radio horizon, antenna designs, and software-defined radio applications.
| | 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...
| | twiar.net
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| [AI summary] A YouTube telethon organized by the ARRL Teachers Institute on Wireless Technology aims to raise funds for educational programs through a live event featuring prominent amateur radio enthusiasts.