Topband: Re: Weak signal receivers

[Tree]

> So my conclusion remains that some of the apparent noise is generated in 
> the receiver in the presence of multiple strong signals.  

In band signals have IMD products - which can get pretty bad.  On most 
receivers I have seen, they are down about 30 or 35 db - when doing just
two signals.  If you get a bunch of them (or a lot of QRN), then it's a
mess.  Cranking the RF gain down will often improve it to 50 db or less.

Tree