Hi Marco, confirming my earlier message to you. The signal I copied on Spectrogram with slow speed and high averaging at a definite T and a struggling M, is a clean O on Spectran (Beta2c) at 0.03Hz r
Assuming you are running a PC, a really easy way of getting a screen capture is to press ALT and Print Screen at the same time. This puts a bit map onto the 'clipboard'. It can then be Pasted into j