Re: [IRCA] Local 2nd and 3rd Harmonic

[Russ Edmunds <wb2bjh@xxxxxxxxx>]

--- Craig Healy <bubba@xxxxxxxxxxxxxxxxxxxx> wrote:

> 
> What I would do on that station is make sure that the harmonics are
> heard at
> other locations.  Sometimes they are locally generated by things like
> aluminum downspouts that have dirty of corroded junctions that form
> defacto
> diodes.
> 
>

Normally those kinds of things produce either images or mixing
products. The easy way to tell is if the null on the harmonic matches
the station null - then it's generated from the trasnmitting facilites.



Russ Edmunds
Blue Bell, PA ( 360' ASL )
[15 mi NNW of Philadelphia]
40:08:45N; 75:16:04W, Grid FN20id
<wb2bjh@xxxxxxxxx>
FM: Yamaha T-80 & Onkyo T-450RDS w/ APS9B @15'
AM: Hammarlund HQ-150 & 4' FET air core loop



 
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