QO-100 Satellite Observer
After the Satellite LEO Observer Max SA5IKN also comes with the QO-100 Satellite Observer on https://dxer.site/qo-100-satellite-observer.html . The application displays a satellite coverage map
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VHF+SHF
Very short waves (abbreviation VHF or VHF from English Very High Frequency) includes frequencies from 30 do 300 MHz, which corresponds to wavelengths 1 m to 10 meters. The spectrum of UHF and SHF frequencies extends above them, so-called. microwave.
4100QO – 4U1A
DX-Adventure is proud to announce a partnership with the United Nations Amateur Radio Contest DX Club (ARCDXC). During 18 / 19 / 20.
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Invitation to the 2nd subregional VHF race 2023
The first full weekend in May from Saturday 14,00 do nedele 14,00 UTC, that is, May 6-7 2023, will take place 2. subregional races
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The LEO Observer satellite
Who is behind the LEO Observer Satellite project?? It is known by several call signs in the radio amateur community, including SA5IKN in Sweden,
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1. sub-regional 2023 results
Thanks to Paľ OM5CM, the final results of this year's first VKV race are available, 1. subregional 2023. It was held first
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Lyridy 2023
Reflection from meteor trails (meteor scatter) is one of the most demanding types of DX operation on VHF bands - radio waves are
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Results of the Winter QRP race on VHF 2023
Mirek OK1DOM brings the results of the Winter QRP race at VKV 2023:
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Video recording of the first amateur radio broadcast in space
Rare video footage of the first amateur radio broadcast in space, conducted by Owen K. Garriott W5LFL during the STS-9 Columbia mission in 1983:
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Building LoRa APRS tracker
Hi! If you have decided, if you want to assemble the tracker yourself, here is some information, to make it easier for you.
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LoRa APRS in Slovakia
Hello. So that we do not recycle texts already written for the introduction with LoRa APRS, I recommend devoting five minutes to a short introduction from
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1. sub-regional 2023 – unofficial results
At the beginning of March, there is usually snow on the hills and the weather has a rather wintry character, but VKV radio amateurs are looking forward to the first sub-regional
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