meteor scatter

meteor scatter využíva odraz rádiového vlnenia od ionizovanej stopy, ktorú za sebou nechá meteorit pri vstupe do atmosféry. To umožňuje nadväzovať spojenia na nižších VKV pásmach na stovky až tisíce kilometrov. Využívajú sa modulácie FSK441, MSK144, SSB a CW.

VHF+SHF

Odraz od meteorických stôp (meteor scatter) predstavuje jeden z najnáročnejších a zároveň najviac fascinujúcich druhov DX prevádzky na vkv pásmach.…

VHF+SHF

The Geminids are among the most reliable and effective meteor showers of the year, and 2025 will be no exception. According to data for this year,…

VHF+SHF

Every November brings a breathtaking spectacle to night sky lovers – the Leonid meteor shower. This year, the shower will appear from the 6th to…

VHF+SHF

In 2025, the Perseids will be active from July 17 to August 24. The broad maximum of this meteor shower will occur on the night of…

Ham informácie

From August 29 to 31, 2025, the traditional amateur radio meeting will take place in the picturesque mountain resort of Zieleniec (JO80EI) in Poland,…

VHF+SHF

Every summer brings one of the most beautiful cosmic spectacles – the Perseid meteor shower, which has earned the reputation of being the “tears of St. Lawrence”. In…

VHF+SHF

The Leonid meteor shower is an annual phenomenon that occurs in November when Earth passes through the remnants of dust particles left behind by...

VHF+SHF

The Perseid meteor shower is an annual astronomical event that peaks in mid-August. This breathtaking spectacle is caused by dust particles from…

VHF+SHF

The Perseid meteor shower is a natural phenomenon that enchants skywatchers around the world every year. This phenomenon occurs when the Earth…

VHF+SHF

Odraz od meteorických stôp (meteor scatter) je jeden z najnáročnejších druhov DX prevádzky na vkv pásmach – rádiové vlny sa…

DIGIMODES

WSJT-X version 2.6 offers eleven different protocols or modes: FST4, FT4, FT8, JT4, JT9, JT65, Q65, MSK144, WSPR, FST4W and…

VHF+SHF

The Quadrantid meteor shower awaits us right at the beginning of the year. This meteor shower is characterized by a high output, but it is short -…

DIGIMODES

One of the most popular meteor showers of the year is coming! Meteor showers are formed when the Earth passes through streams of debris left behind by comets…

Contesting

The visuals of ON4KST have not changed much over the years, but radio amateurs have become accustomed to using this chat. Although it is possible in the settings…

Ham informácie

The RX1AS brand is also known to many Slovak and Czech radio amateurs. Sergej was a very active VHF radio amateur. He was involved in EME, Auror-e, meteor…