[Fwd: LF: SlowCW and Dwell periods]

Andre' Kesteloot akestelo@bellatlantic.net
Fri, 02 Apr 1999 07:26:25 -0500

'Geri' Kinzel, DK8KW wrote:

> Andy, G4JNT gives some good insight into what the FFT techniqe is really
> doing. I am not sure, but maybe who is able to program might try to get
> hold of the Gram-sourcecode and modify it to our needs.
> I have another point on my wishlist for the Gram-Software (or a similar
> one):
> Take advangate of both channels, feed the signal from the big antenna into
> one channel, feed the signal from a second receiver with, for example an
> indoor antenna connected to it, to the second channel, add them with
> inverted phase and get rid of all that man-made noise that is generated in
> the vicinity of the receiving antenna. I know, that this idea is not new,
> it had been realizized on the RF side but I don't know of a software that
> performs this job in the audio-frequency range (besides programs such as
> "Cool Edit" that allow noise reduction post processing jobs doing the same,
> howver, not online).
> A challange for those excellent programmers out there?
> Best 73
> Geri, DK8KW (W1KW)