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Category: Radio Hacks

HF propagation and earthquakes

For all the successes of modern weather forecasting, where hurricanes, blizzards, and even notoriously unpredictable tornadoes are routinely detected before they strike, reliably predicting one aspect of nature’s fury has eluded us: earthquakes. The development of plate tectonic theory in the middle of the 20th century and the construction of a worldwide network of seismic…
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Build a long-distance data network using ham radio

The IEEE magazine Spectrum reports on a new Amateur Radio digital mode, New Packet Radio (NPR) The article says: It took six years, but the result is New Packet Radio (NPR), which I chose to publish under my call sign, F4HDK, as a nom de plume. It supports today’s de facto universal standard of communication—the Internet’s IPv4—and…
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Bouncing ham radio signals off the Moon

Al Williams WD5GNR writes on Hackaday about bouncing amateur radio signals off the moon One of the great things about ham radio is that isn’t just one hobby. Some people like to chit chat, some like to work foreign countries, some prepare for emergencies, and there are several space-related activities. There are hundreds of different…
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Hackable Ham Radio Multitool Contributes To Long Term Survival Of The Hobby

Ham radio, especially the HF bands, can be intimidating for aspiring operators, many being put off by the cost of equipment. The transceiver itself is only part of the equation and proper test and measurement equipment can easily add hundreds of dollars to the bill. However, such equipment goes a long way to ease the…
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