15
October
2021
Mount Kivisurya on the Karelian Isthmus
15:05

Mount Kivisurya on the Karelian Isthmus

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15 October 2021 15:05

On October 3, I visited Mount Kivisyurya (Kamennaya) near the village of Orekhovo, hoping to establish VHF radio communications from there. Coordinates 60.49 N 30.209 E. Unfortunately, I saw a large forest clearing at the top of Mount Kivisyurya. And the altitude according to GPS turned out to be 185 meters, not 205.

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10
September
2021
Do-it-yourself Uda-Yagi 433 MHz band
15:03

Do-it-yourself Uda-Yagi 433 MHz band

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10 September 2021 15:03

НесHow many years ago I made 2 small antennas with a range of 70 centimeters, with a number of elements of 5 and 7. An attempt to establish radio communications over a distance of 35 kilometers showed that an antenna of 7 elements was not enough for reliable communication.

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