Communications & IT

Emission classification Emissions are classified according to the mode of operation and the required bandwidth. A minimum of three symbols are used to indicate their main characteristics. First symbol – type of modulation of the main carrier; Second symbol – carrier type; Third character – type of transmitted information; Note: […]

LETTERS А A DIT-DAH П P DIT-DAH-DAH-DIT Б B DAH-DIT-DIT-DIT Р R DIT-DAH-DIT В W DIT-DAH-DAH С S DIT-DIT-DIT Г G DAH-DAH-DIT Т T DAH Д D DAH-DIT-DIT У U DIT-DIT-DAH Е E DIT Ф F DIT-DIT-DAH-DIT И I DIT-DIT Х H DIT-DIT-DIT-DIT Й J DIT-DAH-DAH-DAH Ц C DAH-DIT-DAH-DIT Ж […]

Letter Phonetic word Pronunciation Letter Phonetic word Pronunciation A Alpha Alpha N November Nouvembar B Bravo Bravo 0 Oscar Oskar C Charlie Charli P Papa Papa D Delta Delta Q Quebec Quebek E Echo Eco R Romeo Romeo F Foxtrot Fokstrot S Sierra Siera G Golf Golf T Tango Tangou […]

The link here leads to a collection of useful and practical information for Bulgarian radio amateurs that I have not seen elsewhere. The frequency plan is current as of May 10, 2022. Note that there is also a second section with standard repeater names and frequencies. It is advisable to […]

Today, April 12, we celebrate World Aviation and Astronautics Day. We also celebrate 54 years since Yuri Gagarin’s space flight. On April 12, 1961, at 9:07 a.m. Moscow time, the Vostok spacecraft took off from the Baikonur Cosmodrome with pilot-cosmonaut Yuri Alekseevich Gagarin. The ship makes one round of the […]