SETTING THE APF WIDTH / PULL WEAK SIGNALS WITH APF / AUDIO PEAK FILTER скачать в хорошем качестве

SETTING THE APF WIDTH / PULL WEAK SIGNALS WITH APF / AUDIO PEAK FILTER

The APF (Audio Peak Filter) is a powerful tool for enhancing weak CW signals, allowing for better signal clarity and improved copy in noisy conditions. By narrowing the audio bandwidth and emphasizing the desired signal's frequency, the APF filter reduces interference and background noise, making weak signals stand out. Properly setting the APF involves adjusting the filter’s center frequency to match the CW tone, fine-tuning its width, and optimizing gain levels for the best performance. When working DX or handling weak contest signals, using the APF filter can significantly improve reception and overall operating efficiency.