Topband: What are these weak birdies every 10.0000 KHz?

[Mike Waters W0BTU]

> From: Bob Eldridge <eldridge at direct.ca>
> Subject: Re: Topband: What are these weak birdies every 10.0000 KHz?
> To: "Mike Waters W0BTU" <mrscience65704 at yahoo.com>
> Date: Sunday, February 21, 2010, 12:28 PM
  
> Hi Mike
> Further to
> Tree's explanation, it is 
> sometimes just one powerful BC signal that causes the mix
> with other weaker 
> ones.   If you connect a series trap across your
> antenna input with 
> capacitor and coil to resonate in the BC band, and slowly
> tour across the BC 
> band, you may find one setting at which the mixes (or
> some of them) 
> disappear.  When I lived in Vancouver I did this, and
> identified the 
> station using a germanium diode and a headset. 
> 
> Where I live now
> there is no powerful BC 
> station within 150 km.  I hear a few BC beat carriers
> (maybe second 
> harmonics) on 160, but they are not strong enough to
> bother about, and 
> sometimes I can spot unusual conditions by the nature of
> the sound of the one on 
> 1830 ("auroral" sound, deep QSB, or
> whatever).
>  
[snip]

Thanks for the info, Bob. I don't have any strong BCB stations nearby, but maybe I'll try your suggestion, thanks.

73,
Mike Waters
W0BTU