Category: Licensing & Regulations
- How Amateur Radio Call Signs Are Built: Prefix, Type Letter, Zone Number, and Suffix 2026-10-18 · Licensing & Regulations
BI4OAE looks random at first glance, but every segment carries meaning. Here is the four-part structure of Chinese call signs, how it fits the ITU framework, and what you can and cannot read from a call sign.
- Operating Away From Home: Cross-Region Rules, Reciprocity, and Moving QTH 2026-10-18 · Licensing & Regulations
Can you take your handheld to another province — or another country? The answer depends on whether your station has a fixed location, what your license actually says, and whether a reciprocal agreement covers you.
- Amateur Radio Compliance Red Lines: Power, Frequencies, and Interference 2026-10-18 · Licensing & Regulations
Buying a radio does not grant the right to transmit. From station licensing and type approval to modified equipment and interference, these are the lines that get operators into trouble — and the habits that keep you clear of them.
- ITU Regions and the IARU: Who Actually Sets Amateur Frequencies 2026-10-18 · Licensing & Regulations
The band edges you memorized are not universal. This article traces the chain from the ITU Radio Regulations through national regulators to IARU band plans, and explains why a neighboring country's 40-meter band may not match yours.
- RF Exposure Safety for Amateur Stations: Power, Distance, and Duty Cycle 2026-10-18 · Licensing & Regulations
Whether a handheld or a kilowatt matters is not a matter of opinion — it is arithmetic. Here is how MPE limits work, how to estimate a safe distance, and where the simple formula stops being valid.