Have a steady tone around 136.5kHz. It is definitely from my PC, and the level was much reduced when the frame aerial was moved out into the garden, but still I must switch off the PC when listening
Jan_Martin LA8AK, Wonder if somebody has any experience in building mains filters for the PC ? An alternative approach is to insert a mains isolating transformer at the PC (and also watch out for "by
Tnx Also considered setting to spread spectrum for the clock osc, but we didn't find how to deal with IBM Aptiva PC, hi (The two PC's types with most problems seems to be COMPAQ and IBM types, but th
Jan-Martin. Try changing one of the video settings such as frame rate of the monitor if your video card allows. It is usually video/monitor that produce stable carriers in the 136 band. Alternatively
