Most beginner Morse advice teaches you to copy — to decode what someone else is sending. That's the half that fits in an app. The other half — actually sending good Morse — is the half that determines whether anyone wants to talk to you on the air.
This guide covers sending. By the end you'll have picked a key, learned the rhythm before the letters, and have a concrete path to your first on-air contact at a slow-speed net.
Pick a key that matches your stage
The single most common beginner mistake is buying a fast key — a paddle or a bug — before they can send a clean letter. Each key type has a reason to exist:
| Key type | How it works | Best for |
|---|---|---|
| Straight key | Press to send tone, release to stop. You make every dit and dah by hand. | Learners. Forces clean rhythm. Cheap (under $50 new). |
| Single paddle | Press left for dits, right for dahs. The keyer chip generates timed elements. | 15–30 WPM operators. Smoother than straight; less arm strain. |
| Iambic paddle | Like single-paddle but squeezing both sends alternating dits and dahs. | 20+ WPM. Steeper learning curve; faster ceiling. |
| Bug (semi-automatic) | Mechanical: dits are self-completing, dahs are by hand. Vintage hardware. | Style points and contests. Distinctive sound. Steep learning curve. |
| Sideswiper / cootie | Single-lever key swept left and right. All elements by hand. | SKCC and oddball-key enthusiasts. |
Our recommendation for month one: a straight key. It teaches you the rhythm that every other key type still depends on. Move to a paddle only when you can reliably send a clean call sign at 13 WPM on the straight key.
Set up the station so your wrist doesn't quit on you
Bad ergonomics will end your CW hobby faster than any technique problem. Get this right before sending a single letter:
- Anchor the key. Use a heavy non-slip surface or a key with a metal base. A key that slides forward every fifth letter wrecks rhythm.
- Wrist flat, fingers relaxed. The forearm — not the fingers, not the wrist — drives the key. If your fingers are doing the work, you'll cramp before reaching 15 WPM.
- Elbow resting on the desk. Holding the elbow up flexes the shoulder; the shoulder will betray you within five minutes. Forearm on the table from elbow to wrist.
- Spring tension and key gap. A new straight key is usually too stiff. Loosen the spring screw to where the key falls back on its own but doesn't bounce. Gap (key-up travel) about the thickness of a credit card.
Pick a target speed — but go slower than you think
The number-one rookie mistake on the sending side is sending faster than you can sustain accurately. Pick a target character speed of 12–15 WPM. That's slow enough to make every element clean and fast enough that your rhythm sounds like Morse, not a slow telegraph.
If you don't have a sense of what 12 WPM feels like, open the timing calculator and plug in 12. A dit is 100 ms; a dah is 300 ms; the inter-letter gap is 300 ms; the inter-word gap is 700 ms. Send to those tempos out loud — "di-di-di-DAH DAH DAH di-di-di" — until the rhythm feels natural before touching a key.
Drill rhythm before letters
This is the step most beginners skip and most experienced ops wish they'd done. Spend a week (or even a weekend) sending nothing but the PARIS rhythm: equal-weight letters, clean gaps, no panic acceleration.
The drill: pick any letter — say E (one dit) — and send it at exactly 12 WPM for two full minutes. Then switch to T (one dah). Then A (di-DAH). Then N (DAH-di). Listen, not for which letter it is, but for whether the rhythm of each one matches your internal metronome.
Bad rhythm at this stage will haunt you at every speed above 20 WPM. Good rhythm makes a 15-WPM operator more readable than a 30-WPM operator with sloppy timing — and it's the foundation that makes head copy possible later.
Build the alphabet in Koch order
Once the rhythm feels comfortable, add letters in the same order you learned to copy (the Koch trainer sequence): K, M, then one new letter per session as you hit ≥ 90% clean sends.
For each new letter:
- Send it 50 times solo, slowly, listening for clean elements.
- Mix it with the previous letters — 5 random groups of 5 characters.
- Record yourself and listen back the next day. You'll catch flaws you missed in real time.
Cross-check your sending with the decoder
The fastest way to find timing flaws is to send into a decoder that doesn't care about your feelings. Open the live mic Morse decoder, point your phone or oscillator speaker at it, and send a known word like PARIS. If the decoder reads PARIS, your rhythm is in spec. If it reads PARIE or PARJS, an element is short or a gap is wrong.
This is harsher than asking a human "how did that sound?" — which is exactly why it works. Use it once a week as a check-in.
Get on the air — start with slow-speed nets
Sending into a recorder forever is a trap. The fastest path from "competent at home" to "competent on the air" is to find a slow-speed net and check in.
- SKCC (Straight Key Century Club) runs slow-speed sked nights. Most operators are happy to slow down for a learner.
- FISTS CW Club publishes a list of slow-speed CW nets by region.
- ARRL CWops Slow Speed Net — North America's classic learner's net.
What to send on your first contact:
| Step | What to send |
|---|---|
| 1 | DE <your call> <your call> K — answer the call. |
| 2 | UR RST 599 (or your honest report). |
| 3 | NAME <name> QTH <city/state>. |
| 4 | HW? BK — over to them. |
| 5 | Listen for the reply, copy, respond. |
| 6 | End with 73 SK <your call>. |
You'll be terrible at first. Everyone is. The on-air operator on the other end has done this a thousand times and will help. Two real QSOs will move you further than a month of drilling alone.
What to skip until you've done 50 contacts
- Speed contests. Get clean before you get fast. 13–15 WPM with clean rhythm beats 25 WPM with mush every single time.
- Iambic squeeze keying. Iambic keying is great at 25+ WPM. It's a distraction at 13.
- Buying a $500 paddle. A $50 straight key sends just as good Morse. Upgrade gear when your skill outgrows the current one.
- Trying to sound like a contester. Contesters sound clipped and abbreviated because they're optimizing for one specific game. Casual CW QSOs sound nothing like that.
The one-line summary
Buy a straight key, anchor it well, send at 12–15 WPM with clean rhythm, drill in Koch order, check yourself against the decoder, and check into a slow-speed net within a month. That's the whole sport.