For a long time, there were no VHF beacons in the 144 and 432 MHz ranges on the air in St. Petersburg and the Leningrad region.
This made it difficult to determine the tropospheric passage. But in 2021 the situation has changed.

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On the holiday of February 23, 2023 (the day of the defender of the Fatherland) decided to make a field travel to nature.

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The FT8 digital mode has gained incredible popularity and recognition around the world. Radio amateurs want to use it not only for long-distance DX QSOs on short waves, but also in competitions, including on ultra-short waves 144 and 432 MHz. The WSJT-X program provides an operating mode for European competitions using FT8 modulation.

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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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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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