From Dave G3YMC 1. I have noticed that a weak station close or below noise is often much easier to copy if one walks away from the receiver. ..... I heard my first eme signal by putting my earphones
To All from PA0SE 3. On the subject of receive notes. I also noted that Harry optimises his filter for 1kHz. Many operators including myself prefer a lower note, 600-800Hz or even lower. I suspect it
The Swedish thesis shows that around 500Hz the ear/brain is at its best in copying wek signals in noise. 73, Dick, PA0SE For many years I was used to a 800Hz tone for CW (just happened to be the 'sid