| BTRC | Bangladesh Telecommunication Regulatory Commission (BTRC) |
| ITU | International Telecommunication Union (ITU) |
| IARU | International Amateur Radio Union (IARU) |
| IARU-R3 | International Amateur Radio Union – Region 3 (IARU-R3) |
| ARRL | American Radio Relay League (ARRL) |
| BARL | Bangladesh Amateur Radio League (BARL) |
| SARL | South African Radio League (SARL) |
| HAM Study | HAM Study |
| QSL | QSL |
| QRZ | QRZ |
| HAM Radio School | HAM Radio School |
| Engineering Books | Engineering Books |
| Giangrandi | Giangrandi |
| Phonetics | International Phonetic Alphabet |
| Q Code | Q Code |
| Morse code | Morse code |
| Modulation | Modulation classification |
| DTMF Encoding | DTMF encoding |
| Abbreviations | Abbreviations |
| QTH locator | QTH locator calculator |
