On Fri, 15 Jun 2007, Geoffrey Mackenzie-Kennedy wrote:


To digress a little, it is amazing ( to me anyway) how many people regardless of licence class or country cuddle up to the top edge of their 40m band allocation when transmitting LSB, with their 'unwanted' sideband and IMD products falling outside of the band. No doubt this happens on 80m as well.

Conventional wisdom that 80 and 40 are LSB bands might account for it. After all, if there is "no USB" when you are using LSB, you should be able to run rght up to the edge.

I suppose the real nitpick is if the unwanted sideband and IMD products outside of the band are within allowable limits?

Of course if folks were extra cautious, then there might be room for a cw qso up there (g).

Thom,EIEIO
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