Essential calculators and converters for amateur radio operators
| Band | Frequency Range | Mode |
|---|---|---|
| 160m | 1.8-2.0 MHz | CW, SSB |
| 80m | 3.5-4.0 MHz | CW, SSB, Digital |
| 40m | 7.0-7.3 MHz | CW, SSB, Digital |
| 20m | 14.0-14.35 MHz | CW, SSB, Digital |
| 10m | 28.0-29.7 MHz | CW, SSB, FM, Digital |
| 2m | 144-148 MHz | FM, SSB, Digital |
| 70cm | 420-450 MHz | FM, SSB, Digital |
| Code | Question | Answer/Statement |
|---|---|---|
| QRG | Will you tell me my exact frequency? | Your exact frequency is ___ kHz. |
| QRM | Is my transmission being interfered with? | I am being interfered with. |
| QRN | Are you troubled by static? | I am troubled by static. |
| QRO | Shall I increase power? | Increase power. |
| QRP | Shall I decrease power? | Decrease power. |
| QRS | Shall I send more slowly? | Send more slowly. |
| QRT | Shall I stop sending? | I am stopping sending. |
| QRZ | Who is calling me? | You are being called by ___. |