Start with separation
Use a small number of callers and listen for differences in pitch, timing and speed.
Pileup copy · resolve, do not guess
Train your ear to pull one callsign from a CW pileup
A pileup is several stations calling at once. The useful skill is not hearing everything: it is finding one stable fragment, using rhythm and timing to follow that signal, and confirming the full call with a precise repeat request.
Premium module
Practical progression
Turn a crowd into a controlled sequence
Work from wide awareness to narrow attention. A fragment is useful evidence when it leads to a targeted repeat.
Choose one signal
Follow the rhythm that remains most distinct instead of switching between callers.
Use the partial
Send the reliable fragment plus AGN so only the intended station should return.
Confirm before logging
Copy the complete reply and correct uncertainty before moving to the next station.
What to listen for
Rhythm is a filter
- A consistent tone or speed that distinguishes one caller.
- The numeral or suffix that remains readable through overlap.
- The timing of the selected station’s repeat.
- A complete call that matches—but is not assumed from—the partial.
FAQ
Pileup training questions
What is a CW pileup?
It is several stations calling one station at once, with callsigns overlapping in time and frequency.
What does AGN mean?
It means “again” and asks for a repeat, often after a partial callsign.
Should I guess a partial callsign?
No. Request the missing part and confirm the complete call before logging.
Is CW Pileup Hunter free?
No. CW Pileup Hunter is a premium module.