When combining the operation of digital types of radio communications, you need:

• First, to coordinate the signal levels between the two devices,
• Secondly - maintain the signal level within certain limits (regulation of the output level).

This article is devoted to a home -made attenuer to weaken the sound signal for digital species.

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I would like to collect on this page all the information about using the repeater on board the ISS (International Space Station) and other operating satellites (PSAT) to transmit APRS packets.

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This article is about setting up the Xastir program for amateur radio packet transmission of GPS coordinates called APRS on the terrestrial frequency 144.800 MHz.

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All hams know about the popular, fast, long-range and cost-effective FT-8 digital mode developed by Joe Taylor K1JT. I work on air in FT8 using the WSJT program under Linux Debian 10 (buster). Installing and configuring WSJTX under Debian Linux is simple and takes a few minutes.

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The ERMAK format is intended for sending reports on participation in all-Russian sports competitions on short waves. ERMAK is the only acceptable format for providing reports on HF competitions, for which it is possible to receive sports categories.

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When opening files from a local drive, style sheets from the remote server are not applied. As a result, instead of a beautiful table, an error is displayed in the browser. For example, this situation occurs with XML extracts from Rosreestr.

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In a radio component store, I bought a room antenna for 200 rubles ($ 3) in order to check what it is capable of taking radio waves of the VHF range.

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When conducting a QSO by telegraph, at first you need to stick to the template.
This template was developed by me and “for myself” based on several telegraph radio communications in the 14 MHz range.
Everyone can follow their own format, I don’t im...

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As you know, most Debian-like distributions are updated with the following two commands: sudo apt-get update && sudo apt-get upgrade. The Sparky Linux distribution is no exception to this rule. However, during a normal system update, the apt-get update command may produce an unexpected error:

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I share my own experience of learning Morse code.

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