The 5250 – 5450 kHz range Allowed for Bulgarian radio amateurs 1 class on a secondary basis. All classes of emission with a maximum permissible power 100 W are permitted for this frequency range, except for the 5351.5 – 5366.5 kHz band, where amateur radio stations must not exceed 15 […]
LZ3AI
96 posts
What is a typical telephony radio connection (FM/SSB/AM QSO)? First steps on the air of telephony Do you remember the thrill when you passed the class 2 exam and stood in front of the radio station? Having forgotten about studying for the test, you now have to put everything into […]
What is a typical CW radio contact? Here is a typical, slightly longer (Rag-Chewing*) CW contact (QSO) between Bulgarian station LZ3AI and American station W1ABC, using standard abbreviations: Sample CW Radio Contact (QSO) Station Sent CW text Translation of the lines W1ABC CQ CQ DE W1ABC W1ABC K I’m calling […]
Baluns, ununs and chokes: a complete mess in ham practice. How to choose the right balun for the antenna? (Informal, but professional!) End of confusion – a guide to selection and application If you’ve ever scratched your head, wondering when to use a 1:1 balun, when a 49:1 unun, and […]
Q-Codes: Why Radio Operators Speak in Abbreviations (and Why It’s Cool) In the age of emojis, gifs, and “OK, is the Boomer in service again?”, imagine having a “secret language” that’s older than your grandmother, but still super effective and required in one of the coolest hobbies – radio amateurism! […]
Standardized Dictionary of Control and Connection Terms in Radio Stations in Bulgarian Note: The publication is aimed at Bulgarian readers and I am not sure if and how it should be translated into English. Everyone has wondered sometimes “Is this a knob or a knob?” , “Jack, plug or connector?” […]
Yaesu FC-80 vs Yaesu FC-90 The Yaesu FC-80 and Yaesu FC-90 are automatic antenna tuners designed for the Yaesu FTX-1 Field QRP transceiver, but they are designed for different types of antennas. The FC-80 is designed to mount directly on the back of the transceiver for use with antennas terminated […]
Editing M3U and M3U8 files M3U and M3U8 files (which is the version using UTF-8 encoding for better support for different characters) are the main playlist formats used in IPTV. Here are the basic rules (tags) and operands (attributes) that you will need to edit these files: Basic rules and […]
Basic one-time settings for Yaesu FTDX-10 I am not claiming that these are the best, most important or “only”. These are the settings that I have made and with which I work successfully. They are made once and generally do not need to be changed, which is why I have […]