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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