Amateur Radio Cheat Sheet
All credit to CADustin on Github. I'm resharing becuase this is valuable.
Alphabet
| A | Alfa | - | J | Juliet | - | S | Sierra |
| B | Bravo | - | K | Kilo | - | T | Tango |
| C | Charlie | - | L | Lima | - | U | Uniform |
| D | Delta | - | M | Mike | - | V | Victor |
| E | Echo | - | N | November | - | W | Whiskey |
| F | Foxtrot | - | O | Oscar | - | X | XRay |
| G | Golf | - | P | Papa | - | Y | Yankee |
| H | Hotel | - | Q | Quebec | - | Z | Zulu |
| I | India | - | R | Romeo | - | . | ... |
Bands & Frequencies
| Band | ARRL (MHz) | Technician | General | Extra |
|---|---|---|---|---|
| 70cm | 430 – 440 | X | X | X |
| 1.25m | 222 – 225 | X | X | X |
| 2m | 144 – 148 | X | X | X |
| 6m | 50 – 54 | X | X | X |
| 10m | 28.0 – 29.7 | X | X | X |
| 12m | 24.89 – 24.99 | X | X | X |
| 15m | 21.0 – 21.45 | |||
| 17m | 18.068 – 18.168 | |||
| 20m | 14.0 – 14.35 | |||
| 30m | 10.1 – 10.15 | |||
| 40m | 7.0 – 7.3 | |||
| 80m | 3.5 – 4.0 | |||
| 160m | 1.8 – 2.0 |
Q-Codes
| QRA | Name |
| QRB | Distance |
| QRG | Frequency |
| QRK | Intelligibility |
| QRL | Busy |
| QRM | Interference |
| QRN | Noise |
| QRO | High power |
| QRP | Low power |
| QRQ | High speed CW |
| QRS | Low speed CW |
| QRT | Close down station |
| QRV | Ready |
| QRX | Stand by |
| QRZ | Who is calling me? |
| QSB | Fading |
| QSD | Defective keying |
| QSK | Break in |
| QSL | Confirmation or card to confirm contact |
| QSO | Radio contact |
| QSY | Change frequency |
| QTC | Message |
| QTH | Location |
| QTR | Time |
Radio Quality - Signal Strength
| Radio | Signal | Tone (CW Only) | |||
|---|---|---|---|---|---|
| 1 | Not Intelligible | 1 | Extremely low signals | 1 | Only noise |
| 2 | Just Intelligible: Some words only | 2 | Very low signal | 2 | Very noisy AC tone |
| 3 | Bad Intelligibility | 3 | Low signals | 3 | Low AC tone |
| 4 | Good Intelligibility | 4 | Poor signals | 4 | AC tone |
| 5 | Very Good Intelligibility | 5 | Medium signals | 5 | Modulated tone; background whistle |
| 6 | Good signals | 6 | Modulated tone; some noise | ||
| 7 | Strong signals | 7 | DC tone, little noise | ||
| 8 | Very strong signals | 8 | Good DC tone; very little noise | ||
| 9 | Extremely strong signals | 9 | Pure DC tone |
Abbreviations (CW Normally)
| AA | All after | - | HV | Have | - | SKED | Schedule |
| AB | All before | - | HW | How | - | SRI | Sorry |
| ABT | About | - | LID | A poor operator | - | SSB | Single Side Band |
| ADR | Address | - | MA | Millamperes | - | SVC | Prefix to service message |
| AGN | Again | - | MILS | Millamperes | - | T | Zero |
| AM | Amplitude Modulation | - | MSG | Message | - | TFC | Traffic |
| ANT | Antenna | - | N | No | - | TMW | Tomorrow |
| BCI | Broadcast Interference | - | NCS | Net Control Station | - | TKS | Thanks |
| BCL | Broadcast Listener | - | ND | Nothing Doing | - | TNX | Thanks |
| BK | Break, Break in | - | NIL | I have nothing for you | - | TT | That |
| BN | All between; Been | - | NM | No more | - | TU | Thank you |
| BUG | Semi-Automatic key | - | NR | Number | - | TVI | Television interference |
| B4 | Before | - | NW | Now; I resume transmission | - | TX | Transmitter |
| C | Yes | - | OB | Old boy | - | TXT | Text |
| CFM | Confirm; I confirm | - | OC | Old chap | - | UR | Your; You're |
| CK | Check | - | OM | Old man | - | URS | Yours |
| CL | I am closing my station | - | OP | Operator | - | VFO | Variable Freq. Oscillator |
| CLD | Called | - | OPR | Operator | - | VY | Very |
| CLG | Calling | - | OT | Old timer; Old top | - | WA | Word after |
| CQ | Calling any station | - | PBL | Preamble | - | WB | Word before |
| CW | Continuous wave | - | PSE | Please | - | WD | Word |
| DLD | Delivered | - | PWR | Power | - | WDS | Words |
| DLVD | Delivered | - | PX | Press | - | WKD | Worked |
| DR | Dear | - | R | Received as transmitted | - | WKG | Working |
| DX | Distance | - | RCD | Received | - | WL | Well; Will |
| ES | And | - | RCVR | Receiver | - | WUD | Would |
| FB | Fine Business, excellent | - | RX | Receiver | - | WX | Weather |
| FM | Frequency Modulation | - | REF | Refer to; Referring to; Reference | - | XCVR | Transceiver |
| GA | Go ahead | - | RFI | Radio frequency interference | - | XMTR | Transmitter |
| GM | Good morning | - | RIG | Station equipment | - | XTAL | Crystal |
| GN | Good night | - | RTTY | Radio teletype | - | XYL | Wife |
| GND | Ground | - | SASE | Self-addressed/stamped envelope | - | YL | Young lady |
| GUD | Good | - | SED | Said | - | 73 | Best Regards |
| HI | Laughing | - | SIG | Signature; Signal | - | 88 | Love and kisses |
| HR | Here; Hear | - | SINE | Operator's personal initials/handle | - | .. |