[TenTec] Orion II roofing filters

[Ken Brown]

>  The extra filters add
>nothing unless you have bad out of band QRM.
>  
>
A better IF filter can help with out of band QRM??? What do you mean by 
out of band QRM? I would think that any QRM from "out of band" would 
have to be from really strong signals causing IMD in the front end, 
before the IF filters, and that IF filters could not help this.

DE N6KB