Ability to create a device, which receives or transmits a radio signal is a specific field of amateur radio. But not only that, and many other designs such as amplifiers, filtered, power supplies or antennas are things, which the dexterous hands of a radio amateur can produce.
When preparing for radio amateur exams, it is difficult for interested parties to obtain comprehensible documents, from which they would understand the issues of electrical engineering and radio engineering.
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In the first article of the series, I described the interface (interface) pre TCVR Kenwood TS-870S, which added another mode to our HAM family. To be continued
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Having a good signal is a business card of a radio amateur. Having a good signal is a business card of a radio amateur, which years ago
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The Inverted Vee antenna is a very popular variant of the standard horizontal dipole. In this article, I will try to dispel some of the myths associated with
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SATGEN is a popular application for Windows, which makes SDR ADALM-PLUTO a spectrum analyzer. In addition, it is a free application. The latest
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When looking for more detailed information about a multiband half-wave antenna with power supply (EFHW) I was interested in an article by the Indian radio amateur Basu (VU2NSB): Multiband End-fed
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Anténa End Fed Half Wave (EFHW) is light, low cost, multiband and therefore at first sight temptingly lucrative. To help
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The construction of an antenna mast can also be simple and safe if it is implemented correctly. Amateur radio broadcasting from interim stations are
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Cheap VHF Amplifier How to Increase Device Power at 144 MHz? One option is an LDMOS amplifier with MRF9180. Tieto
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An in-band transmitter is required for communication via the QO-100 satellite 13 cm. One way to get such a signal is
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One of the goals of VHF radio amateurs is to cross the Atlantic. While on most HF bands this is commonplace, so on VHF
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