I recently received a message from Ralf (DB4REB / CN2REB) who’s been learning CW and activating parks with CW since mid-2024. He created a simple and clever tool to improve one of the trickier parts of CW activation: recognizing callsigns on the first pass. Here’s what Ralf shared: “Since 2025 I try practicing on a … Continue reading Practice Copying Callsigns on the Go with DB4REB’s Free CW Quiz App