I am getting lots of reports from around EU mostly by EMAIL but I prefer xband realtime contacts if possible. The Russian stns frequently call me xband on 7033 Khz. I would like xband calls during th
Dear all Actually it took me quite a while to decipher Rogers callsign and in doing so it occurred to me that 500kHz in the day is a good band for testing DSP noise reduction as it is noisy but the
Hello Richard, It has been found that the brain of a skilled CW operator can simulate a filter as narrow as 50 Hz. The difference in noise power between a 60 Hz and 50 Hz filter is 0.79 dB. So either
