LF: Re:VA3LK Log / More Tests

["Alberto di Bene" <dibene@usa.net>]

James Moritz wrote:

> [snip]
> Since 3s/dot slow CW has not been good enough for this so far, I
> suggest we do something like this: As many European stations as
> possible transmit very long dashes (90seconds for example), within
> a very narrow frequency range (perhaps 20Hz maximum - 10Hz
> would be better),
> [snip]
Just a remark. If you want to dig deep into the noise, you must use
resolutions of 5 or 10 milli Hertz. At these resolutions the span covered
by a spectrogram is at maximum a couple of Hertz, so the 10 or 20 Hz
spread would mean that the biggest part of the stations will be outside
the screen.

73   Alberto   I2PHD