Minimum Discernible Signal
Hear CW signals at adjustable signal-to-noise ratios against filtered background noise.
Levels
Signal Volume
▲
▼
-30 dB
Noise Volume
▲
▼
-20 dB
Output Volume
-20 dB
Start Audio
Audio is stopped. Press Start Audio to begin. The selected recorded noise sample is embedded and loops continuously.
Noise plus Signal Spectrum
Cutoff Freq, low
Cutoff Freq, high
Noise Type
White Noise
20m Storm Static
20m Band Noise
SNR: -- dB
CW Signal
CW Tone, freq
Hz
CW Speed, wpm
WPM
Group Length
chars
CW text: random A-Z / 0-9 groups