🌐 ARSB Phonetic Alphabet & International Call Sign Prefix Guide

Learn the international phonetic alphabet used in amateur radio, convert call signs into phonetic words and search international amateur radio call sign prefixes by country.

Beginner Friendly • Amateur Radio Learning Resource

🔤 International Phonetic Alphabet

Click any letter below to hear its phonetic pronunciation.

Tip: Amateur radio operators use phonetic words so letters can be understood clearly when radio signals are weak, noisy or affected by interference.

📻 Call Sign → Phonetic Converter

Enter an amateur radio call sign, word or short message.

Sierra Two One Alfa Hotel Quebec

📘 Beginner Example

This is how an amateur radio call sign may be spoken using the international phonetic alphabet.

Call Sign:
S21AHQ

Phonetic:
Sierra Two One Alfa Hotel Quebec

Radio Example:
“CQ CQ, this is Sierra Two One Alfa Hotel Quebec.”

🌍 International Amateur Radio Call Sign Prefix Directory

Search using a country name, amateur radio prefix or region. For example: Bangladesh, S2, Japan, JA, India, VU or Germany.

🇧🇩

Bangladesh
Common Amateur Radio Prefix: S2
International Call Sign Series: S2A–S2Z and S3A–S3Z

Countries / Territories shown

Country / Territory	Amateur Prefix	Region

Important: This directory is designed as an easy amateur-radio learning reference. Some countries and territories use several prefix groups, overseas allocations or special-event call signs. Always verify regulatory information with the ITU or the relevant national telecommunications authority when required.